Product Description
Marine Gearbox MB242 possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, light in weight and convenient in dis- and reassembly and maintenance.Marine Gearbox MB242 is suitable for medium and small fishing, transport, tug, traffic and passenger boats.
| Input speed | 1000-2500r/min | ||
| Reduction ratio | 2.00,2.54,3.04,3.52,3.95,4.53 | Trans. capacity | 0.103kw/r/min |
| 5.12 | 0.100kw/r/min | ||
| 5.56 | 0.094kw/r/min | ||
| 5.88 | 0.074kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 30KN | ||
| Center distance | 242mm | ||
| L×W×H | 442×774×763mm | ||
| Net weight | 385kg | ||
| Flywheel | SAE14,11.5 | ||
| Bell housing | SAE1,2 | ||
New Diesel Machinery can not only offer engine ,and related spare parts , this gearbox is manufactured by 1 of the biggest gearbox manufacturer in China, with technologies ,Standing on transmission industry, relying on science and technology progress, core competitiveness is enhanced and leading position in theindustry area is established. Since 1980s, based on independent development, the Company has imported advanced foreign technology and realized secondary innovation. The products area has been expanded into 10 families covering over 1000 types, from single marine gearbox to 10 types, thousands of products, including motive marine propulsion system, construction machinery transmissions, wind turbine transmissions, auto transmissions,agricultural transmissions, rail transittransmissions,industrial transmissions, special products,powder metallurgical (P/M) products, and large-sized high-precision gears.
| Application: | Motor, Marine |
|---|---|
| Layout: | Cycloidal |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Type: | Circular Gear |
| Customization: |
Available
| Customized Request |
|---|
Distinguishing Features of Cycloidal Gearboxes
Cycloidal gearboxes, also known as cycloidal drives or cycloidal reducers, possess distinct characteristics that set them apart from other types of gearboxes:
- Principle of Operation: Cycloidal gearboxes utilize the principle of cycloidal motion, where input shaft movement is transformed into eccentric motion of the cycloidal disc. This unique mechanism results in smooth and consistent output motion.
- Compactness: Cycloidal gearboxes are renowned for their compact size and high torque density. The concentric design of the components contributes to their ability to transmit substantial torque in a relatively small package.
- Tooth Profile: Cycloidal gearboxes employ specialized cycloidal teeth, which involve both pinwheel and roller gears. This distinctive tooth profile contributes to the characteristic smooth and vibration-free operation.
- Reduction Mechanism: They often employ multi-lobed cam gears that interact with the pins on the cycloidal disc, resulting in multiple gear engagements per revolution and improved load distribution.
- Motion Control: Cycloidal gearboxes offer high positional accuracy and motion control due to the eccentric motion of the disc, making them suitable for robotics, automation, and precision applications.
- Backlash: They typically exhibit low backlash due to the nature of the engagement mechanism, making them advantageous for applications requiring precise and reversible motion.
- Applications: Cycloidal gearboxes are commonly used in various industries, including robotics, packaging, material handling, printing, and more, where their compactness, precision, and efficiency are valued.
These distinguishing features contribute to the unique capabilities and benefits of cycloidal gearboxes in specific applications.
Maintenance Requirements for Cycloidal Gearboxes
Maintaining cycloidal gearboxes is essential to ensure their optimal performance and longevity. Here are some maintenance practices to consider:
- Lubrication: Regular lubrication is crucial to prevent wear and friction between moving parts. Use high-quality lubricants recommended by the gearbox manufacturer.
- Inspections: Regularly inspect the gearbox for signs of wear, damage, or oil leakage. Address any issues promptly to prevent further damage.
- Cleaning: Keep the gearbox clean and free from debris that could interfere with its operation. Cleanliness helps prevent contamination and wear.
- Torque Checks: Periodically check the tightness of fasteners and bolts to ensure they are properly secured. Loose fasteners can lead to misalignment and reduced performance.
- Seal Maintenance: Check and maintain seals to prevent oil leakage. Damaged seals should be replaced promptly to avoid lubricant loss.
- Temperature Monitoring: Monitor the operating temperature of the gearbox to ensure it remains within the recommended range. Excessive heat can lead to premature wear.
- Alignment: Ensure that the gearbox is properly aligned with other components to prevent misalignment-related issues.
- Regular Service: Follow the manufacturer’s recommended service intervals for more in-depth inspections and maintenance tasks.
Regular and proactive maintenance can extend the lifespan of cycloidal gearboxes, minimize downtime, and maintain their efficiency and performance over time.
How Does a Cycloidal Gearbox Work?
A cycloidal gearbox operates on the principle of cycloidal motion to transmit rotational power. It consists of a set of components that work together to achieve smooth and efficient motion transmission:
- High-Speed Input Shaft: The gearbox is connected to a high-speed input shaft, typically driven by an electric motor or another power source.
- Cycloidal Pins or Rollers: Surrounding the input shaft are a series of cycloidal pins or rollers arranged in a circular pattern. These pins interact with the lobed profiles of the outer stationary ring.
- Outer Stationary Ring: The outer ring remains stationary and contains lobed profiles. The lobes are designed in a way that allows them to engage with the cycloidal pins as they rotate.
- Motion Transmission: As the input shaft rotates, it causes the cycloidal pins to move along the circular path. The interaction between the cycloidal pins and the lobed profiles of the outer ring results in a unique motion known as epicycloidal or hypocycloidal motion.
This motion generates torque that is transferred from the input shaft to the output shaft of the gearbox. The main advantage of a cycloidal gearbox is its ability to provide high torque output in a compact design. The multiple points of contact between the pins and the lobes distribute the load, enhancing the gearbox’s load-carrying capacity.
Cycloidal gearboxes are known for their smooth and controlled motion, making them suitable for applications requiring precise positioning and high torque capabilities, such as robotics, automation, and industrial machinery.
editor by CX 2023-10-08
China factory China Advance Marine Gearbox (MB242) automatic gearbox
Product Description
Marine Gearbox MB242 possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, light in weight and convenient in dis- and reassembly and maintenance.Marine Gearbox MB242 is suitable for medium and small fishing, transport, tug, traffic and passenger boats.
| Input speed | 1000-2500r/min | ||
| Reduction ratio | 2.00,2.54,3.04,3.52,3.95,4.53 | Trans. capacity | 0.103kw/r/min |
| 5.12 | 0.100kw/r/min | ||
| 5.56 | 0.094kw/r/min | ||
| 5.88 | 0.074kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 30KN | ||
| Center distance | 242mm | ||
| L×W×H | 442×774×763mm | ||
| Net weight | 385kg | ||
| Flywheel | SAE14,11.5 | ||
| Bell housing | SAE1,2 | ||
New Diesel Machinery can not only offer engine ,and related spare parts , this gearbox is manufactured by 1 of the biggest gearbox manufacturer in China, with technologies ,Standing on transmission industry, relying on science and technology progress, core competitiveness is enhanced and leading position in theindustry area is established. Since 1980s, based on independent development, the Company has imported advanced foreign technology and realized secondary innovation. The products area has been expanded into 10 families covering over 1000 types, from single marine gearbox to 10 types, thousands of products, including motive marine propulsion system, construction machinery transmissions, wind turbine transmissions, auto transmissions,agricultural transmissions, rail transittransmissions,industrial transmissions, special products,powder metallurgical (P/M) products, and large-sized high-precision gears.
| Application: | Motor, Marine |
|---|---|
| Layout: | Cycloidal |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Type: | Circular Gear |
| Customization: |
Available
| Customized Request |
|---|
Materials Used in Manufacturing Cycloidal Gearboxes
Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:
- Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
- Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
- Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
- Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
- Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.
The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.
Safety Measures for Operating Cycloidal Gear Systems
Operating cycloidal gear systems requires careful attention to safety to prevent accidents and ensure the well-being of operators and personnel. Here are important safety measures to consider:
- Training: Provide proper training to operators and maintenance personnel on the operation, maintenance, and potential hazards associated with cycloidal gear systems.
- Protective Equipment: Operators should wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and protective clothing.
- Lockout-Tagout: Implement lockout-tagout procedures to ensure that the system is de-energized and isolated before any maintenance or repair work begins.
- Regular Inspections: Conduct routine inspections of the gear system to identify any signs of wear, damage, or abnormalities that could compromise safety or performance.
- Lubrication: Follow the manufacturer’s recommendations for lubrication to maintain optimal performance and prevent overheating.
- Temperature Monitoring: Install temperature sensors or monitoring devices to detect any excessive heat buildup in the gearbox, which could indicate a potential issue.
- Proper Ventilation: Ensure that the area where the gear system operates is well-ventilated to prevent the accumulation of heat or harmful fumes.
- Emergency Stop: Install emergency stop buttons or switches that can immediately shut down the system in case of an emergency.
- Clearance Zones: Establish clear clearance zones around the gear system to prevent accidental contact with moving parts.
- Regular Maintenance: Follow a scheduled maintenance routine to keep the gear system in optimal working condition and address any potential safety concerns.
- Operator Awareness: Ensure that operators are aware of the gear system’s potential hazards and safe operating practices.
- Warning Signage: Clearly mark areas where the gear system operates with appropriate warning signs and labels.
- Emergency Procedures: Develop and communicate clear emergency procedures to respond to accidents, malfunctions, or other unexpected events.
Prioritizing safety in the operation and maintenance of cycloidal gear systems is essential to prevent injuries and maintain a safe working environment.
What is a Cycloidal Gearbox?
A cycloidal gearbox, also known as a cycloidal drive, is a type of gearing mechanism that utilizes the principle of cycloidal motion for power transmission. It consists of several components, including a high-speed input shaft, a set of cycloidal pins or rollers, and an outer stationary ring with lobed profiles.
The operation of a cycloidal gearbox involves a unique mechanism:
- Input Shaft: The high-speed input shaft is connected to the driving source, such as an electric motor. It transfers rotational motion to the cycloidal pins.
- Cycloidal Pins or Rollers: These pins or rollers are typically arranged around the input shaft in a circular pattern. As the input shaft rotates, the cycloidal pins also rotate, causing them to engage with the lobes on the outer stationary ring.
- Outer Stationary Ring: The outer ring has lobed profiles, and it remains stationary during operation. The lobes of the outer ring interact with the cycloidal pins or rollers, causing them to move in a unique motion known as epicycloidal or hypocycloidal motion.
The interaction between the cycloidal pins and the lobed profiles of the outer ring results in smooth and controlled motion transmission. The mechanism provides advantages such as high torque capacity, compact size, and precise positioning capabilities.
Cycloidal gearboxes are widely used in various applications, including robotics, automation, packaging machinery, and other industrial systems where high torque, precision, and compact design are essential.
editor by CX 2023-10-07
China Standard China Advance Marine Gearbox (MB242) gearbox and motor
Product Description
Marine Gearbox MB242 possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, light in weight and convenient in dis- and reassembly and maintenance.Marine Gearbox MB242 is suitable for medium and small fishing, transport, tug, traffic and passenger boats.
| Input speed | 1000-2500r/min | ||
| Reduction ratio | 2.00,2.54,3.04,3.52,3.95,4.53 | Trans. capacity | 0.103kw/r/min |
| 5.12 | 0.100kw/r/min | ||
| 5.56 | 0.094kw/r/min | ||
| 5.88 | 0.074kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 30KN | ||
| Center distance | 242mm | ||
| L×W×H | 442×774×763mm | ||
| Net weight | 385kg | ||
| Flywheel | SAE14,11.5 | ||
| Bell housing | SAE1,2 | ||
New Diesel Machinery can not only offer engine ,and related spare parts , this gearbox is manufactured by 1 of the biggest gearbox manufacturer in China, with technologies ,Standing on transmission industry, relying on science and technology progress, core competitiveness is enhanced and leading position in theindustry area is established. Since 1980s, based on independent development, the Company has imported advanced foreign technology and realized secondary innovation. The products area has been expanded into 10 families covering over 1000 types, from single marine gearbox to 10 types, thousands of products, including motive marine propulsion system, construction machinery transmissions, wind turbine transmissions, auto transmissions,agricultural transmissions, rail transittransmissions,industrial transmissions, special products,powder metallurgical (P/M) products, and large-sized high-precision gears.
| Application: | Motor, Marine |
|---|---|
| Layout: | Cycloidal |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Type: | Circular Gear |
| Customization: |
Available
| Customized Request |
|---|
Calculation of Reduction Ratio in a Cycloidal Gearbox
The reduction ratio in a cycloidal gearbox can be calculated using the following formula:
Reduction Ratio = (Number of Input Pins + Number of Output Pins) / Number of Output Pins
In a cycloidal gearbox, the input pins engage with the lobes of the cam disc, while the output pins are engaged with the cycloidal pins of the output rotor. The reduction ratio determines the relationship between the number of input and output pins engaged at any given time.
For example, if a cycloidal gearbox has 7 input pins and 14 output pins engaged, the reduction ratio would be:
Reduction Ratio = (7 + 14) / 14 = 1.5
This means that for every 1 revolution of the input pins, the output rotor will complete 1.5 revolutions. The reduction ratio is a key parameter that influences the output speed and torque of the cycloidal gearbox.
Noise and Vibration Considerations in Cycloidal Gearboxes
Cycloidal gearboxes are generally known for their smooth and quiet operation. However, like any mechanical system, they can still exhibit some level of noise and vibration. Here are the key factors to consider:
- Gear Design: The unique rolling contact design of cycloidal gears contributes to their relatively low noise levels. The teeth engagement is gradual and continuous, reducing impact forces and noise.
- Lubrication: Proper lubrication is essential to minimize friction and noise. Using high-quality lubricants and maintaining proper lubrication levels can help reduce noise and vibration in cycloidal gearboxes.
- Precision Manufacturing: Precise manufacturing processes and tight tolerances can help minimize irregularities in gear meshing, which can contribute to noise and vibration.
- Load Distribution: Proper load distribution among multiple lobes in the cycloidal mechanism can help prevent localized stress concentrations that could lead to vibrations and noise.
- Bearing Quality: High-quality bearings can contribute to smooth operation and reduce vibrations that could be transmitted to the gearbox housing.
- Mounting and Installation: Proper mounting and alignment of the gearbox are important to ensure that it operates smoothly and without excessive vibrations.
While cycloidal gearboxes are designed to minimize noise and vibration, it’s important to consider the specific application, environmental conditions, and operating parameters. Regular maintenance, proper lubrication, and selecting the appropriate gearbox size and type can all contribute to reducing noise and vibration levels in cycloidal gearboxes.
Principle of Cycloidal Gearing
Cycloidal gearing is a mechanism that utilizes the unique shape of cycloidal discs to achieve motion transmission. The principle involves the interaction between two main components: the input disc and the output disc.
The input disc has lobes with pins, while the output disc has lobes with matching holes. The lobes on both discs are not perfectly circular but are shaped in a cycloidal profile. As the input disc rotates, the pins on its lobes engage with the holes in the output disc’s lobes.
As the input disc rotates, the pins move along the cycloidal paths, causing the output disc to rotate. The interaction between the pins and the holes results in smooth and continuous motion transfer. The unique shape of the cycloidal profile ensures that there is always at least one point of contact between the pins and the holes, allowing for efficient torque transmission and reduced wear.
Cycloidal gearing provides advantages such as high torque capacity, compact size, and precision motion. However, due to the complex shape of the components and the continuous engagement, manufacturing and assembly of cycloidal gearboxes can be intricate.
editor by CX 2023-09-28
China Speed Increase Cycloidal Jinding Wooden OEM China Marine Price Gearbox with Hot selling
Merchandise Description
Solution Description
Pace Enhance Cycloidal CZPT Wood oem China marine price tag gearbox
Firm Profile
Our Positive aspects
Exhibition
Packaging & Delivery
FAQ
|
/ Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Car |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Four-Step |
###
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
|---|
|
/ Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Car |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Four-Step |
###
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
|---|
Developing a Mathematical Model of a Cyclone Gearbox
Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.
Low friction
Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.
Compact
Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.
High reduction ratio
Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.
Kinematics
Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.
Planetary gearboxes vs cycloidal gearboxes
Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
editor by CX 2023-03-28
China Xb Cycloidal Pin Wheel Speed Gearbox Variator Drive Power Transmission Cycloidal Gearbox Gear Box Marine Engine with Gearbox cycloidal gear reducer design
Merchandise Description
X / B series cycloidal gearbox speed reducer
Swift Particulars:
Type: XB sequence Cycloidal Pin Wheel Pace Reducer
Input Velocity: 1000-1500rmp
Output Velocity: .3-280rpm
Certification: ISO9001 CE
Ex Energy:.09-132KW
Warranty: 1Years
|
Enter Pace |
≤2000rpm |
|
Output Velocity |
Solitary-phase:11-136rpm |
|
Power Variety |
Single-phase:.37-75Kw |
|
Assemble Variety |
Foot-mounted horizontal and flange vertical |
|
Brand name |
Goldgun |
|
Ratio |
One-stage:11,seventeen,23,29,35,43,59,71,87 |
Relevant Products
Business Info
|
US $10-999 / Piece | |
100 Pieces (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
###
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) |
|---|
###
|
Input Speed
|
≤2000rpm
|
|
Output Speed
|
Single-stage:11-136rpm
Two-stage:1.78-12.4rpm |
|
Power Range
|
Single-stage:0.37-75Kw
Two-stage:0.25-18.5Kw |
|
Assemble Type
|
Foot-mounted horizontal and flange vertical
|
|
Brand
|
Goldgun
|
|
Ratio
|
Single-stage:11,17,23,29,35,43,59,71,87
Two-stage:121,187,289,391,473,595,731,841,1003,1225,1505 |
|
US $10-999 / Piece | |
100 Pieces (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
###
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) |
|---|
###
|
Input Speed
|
≤2000rpm
|
|
Output Speed
|
Single-stage:11-136rpm
Two-stage:1.78-12.4rpm |
|
Power Range
|
Single-stage:0.37-75Kw
Two-stage:0.25-18.5Kw |
|
Assemble Type
|
Foot-mounted horizontal and flange vertical
|
|
Brand
|
Goldgun
|
|
Ratio
|
Single-stage:11,17,23,29,35,43,59,71,87
Two-stage:121,187,289,391,473,595,731,841,1003,1225,1505 |
The Cyclonoidal Gearbox
Basically, the cycloidal gearbox is a gearbox that uses a cycloidal motion to perform its rotational movement. It is a very simple and efficient design that can be used in a variety of applications. A cycloidal gearbox is often used in applications that require the movement of heavy loads. It has several advantages over the planetary gearbox, including its ability to be able to handle higher loads and higher speeds.
Dynamic and inertial effects of a cycloidal gearbox
Several studies have been conducted on the dynamic and inertial effects of a cycloidal gearbox. Some of them focus on operating principles, while others focus on the mathematical model of the gearbox. This paper examines the mathematical model of a cycloidal gearbox, and compares its performance with the real-world measurements. It is important to have a proper mathematical model to design and control a cycloidal gearbox. A cycloidal gearbox is a two-stage gearbox with a cycloid disc and a ring gear that revolves around its own axis.
The mathematical model is made up of more than 1.6 million elements. Each gear pair is represented by a reduced model with 500 eigenmodes. The eigenfrequency for the spur gear is 70 kHz. The modally reduced model is a good fit for the cycloidal gearbox.
The mathematical model is validated using ABAQUS software. A cycloid disc was discretized to produce a very fine model. It requires 400 element points per tooth. It was also verified using static FEA. This model was then used to model the stiction of the gears in all quadrants. This is a new approach to modelling stiction in a cycloidal gearbox. It has been shown to produce results comparable to those of the EMBS model. The results are also matched by the elastic multibody simulation model. This is a good fit for the contact forces and magnitude of the cycloid gear disc. It was also found that the transmission accuracy between the cycloid gear disc and the ring gear is about 98.5%. However, this value is lower than the transmission accuracy of the ring gear pair. The transmission error of the corrected model is about 0.3%. The transmission accuracy is less because of the lower amount of elastic deformation on the tooth flanks.
It is important to note that the most accurate contact forces for each tooth of a cycloid gearbox are not smooth. The contact force on a single tooth starts with a linear rise and then ends with a sharp drop. It is not as smooth as the contact force on a point contact, which is why it has been compared to the contact force on an ellipse contact. However, the contact on an ellipse contact is still relatively small, and the EMBS model is not able to capture this.
The FE model for the cycloid disc is about 1.6 million elements. The most important part of the FE model is the discretization of the cycloid disc. It is very important to do the discretization of the cycloid gear disc very carefully because of the high degree of vibration that it experiences. The cycloid disc has to be discretized finely so that the results are comparable to those of a static FEA. It has to be the most accurate model possible in order to be able to accurately simulate the contact forces between the cycloid disc and the ring gear.
Kinematics of a cycloidal drive
Using an arbitrary coordinate system, we can observe the motion of components in a cycloidal gearbox. We observe that the cycloidal disc rotates around fixed pins in a circle, while the follower shaft rotates around the eccentric cam. In addition, we see that the input shaft is mounted eccentrically to the rolling-element bearing.
We also observe that the cycloidal disc rotates independently around the eccentric bearing, while the follower shaft rotates around an axis of symmetry. We can conclude that the cycloidal disc plays a pivotal role in the kinematics of a cycloidal gearbox.
To calculate the efficiency of the cycloidal reducer, we use a model that is based on the non-linear stiffness of the contacts. In this model, the non-linearity of the contact is governed by the non-linearity of the force and the deformation in the contact. We have shown that the efficiency of the cycloidal reducer increases as the load increases. In addition, the efficiency is dependent on the sliding velocity and the deformations of the normal load. These factors are considered as the key variables to determine the efficiency of the cycloidal drive.
We also consider the efficiency of the cycloidal reducer with the input torque and the input speed. We can calculate the efficiency by dividing the net torque in the ring gear by the output torque. The efficiency can be adjusted to suit different operating conditions. The efficiency of the cycloidal drive is increased as the load increases.
The cycloidal gearbox is a multi-stage gearbox with a small shaft oin and a big shaft. It has 19 teeth and brass washers. The outer discs move in opposition to the middle disc, and are offset by 180 deg. The middle disc is twice as massive as the outer disc. The cycloidal disc has nine lobes that move by one lobe per drive shaft revolution. The number of pins in the disc should be smaller than the number of pins in the surrounding pins.
The input shaft drives an eccentric bearing that is able to transmit the power to the output shaft. In addition, the input shaft applies forces to the cycloidal disk through the intermediate bearing. The cycloidal disk then advances in 360 deg/pivot/roller steps. The output shaft pins then move around in the holes to make the output shaft rotate continuously. The input shaft applies a sinusoidal motion to maintain the constant speed of the base shaft. This sine wave causes small adjustments to the follower shaft. The forces applied to the internal sleeves are a part of the equilibrium mechanism.
In addition, we can observe that the cycloidal drive is capable of transmitting a greater torque than the planetary gear. This is due to the cycloidal gear’s larger axial length and the ring gear’s smaller hole diameter. It is also possible to achieve a positive fit between the fixed ring and the disc, which is achieved by toothing between the fixed ring and the disc. The cycloidal disk is usually designed with a short cycloid to minimize unbalance forces at high speeds.
Comparison with planetary gearboxes
Compared to planetary gearboxes, the cycloidal gearbox has some advantages. These advantages include: low backlash, better overload capacity, a compact design, and the ability to perform in a wide range of applications. The cycloidal gearbox has become popular in the multi-axis robotics market. The gearbox is also increasingly used in first joints and positioners.
A cycloidal gearbox is a gearbox that consists of four basic components: a cycloid disk, an output flange, a ring gear, and a fixed ring. The cycloid disk is driven by an eccentric shaft, which advances in a 360deg/pivot/roller step. The output flange is a fixed pin disc that transmits the power to the output shaft. The ring gear is a fixed ring, and the input shaft is connected to a servomotor.
The cycloidal gearbox is designed to control inertia in highly dynamic situations. These gearboxes are generally used in robotics and positioners, where they are used to position heavy loads. They are also commonly used in a wide range of industrial applications. They have higher torque density and a low backlash, making them ideal for heavy loads.
The output flange is also designed to handle a torque of up to 500 Nm. Its rotational speed is lower than the planet gearbox, but its output torque is much higher. It is designed to be a high-performance gearbox, and it can be used in applications that need high ratios and a high level of torque density. The cycloid gearbox is also less expensive and has less backlash. However, the cycloidal gearbox has disadvantages that should be considered when designing a gearbox. The main problem is vibrations.
Compared to planetary gearboxes, cycloidal gearboxes have a smaller overall size and are less expensive. In addition, the cycloid gearbox has a large reduction ratio in one stage. In general, cycloidal gearboxes have single or two stages, with the third stage being less common. However, the cycloid gearbox is not the only type of gearbox that has this type of configuration. It is also common to find a planetary gearbox with a single stage.
There are several different types of cycloidal gearboxes, and they are often referred to as cycloidal speed reducers. These gearboxes are designed for any industry that uses servos. They are shorter than planetary gearboxes, and they are larger in diameter for the same torque. Some of them are also available with a ratio lower than 30:1.
The cycloid gearbox can be a good choice for applications where there are high rotational speeds and high torque requirements. These gearboxes are also more compact than planetary gearboxes, and are suitable for high-torque applications. In addition, they are more robust and can handle shock loads. They also have low backlash, and a higher level of accuracy and positioning accuracy. They are also used in a wide range of applications, including industrial robotics.
editor by czh 2023-01-20
China Hangzhou Advance Marine Gearbox Ma100 Is Suitable for Small Fishing, Transport, Traffic and Rescue Boats. cycloidal gearbox lubrication
Merchandise Description
HangZhou advance Marine Gearbox MA100 is ideal for small fishing, transport, traffic and rescue boats.
Maritime Gearbox MA100 possesses capabilities of speed reduction, forward and astern clutching and bearing propeller thrust. It is created of vertically offset and one particular-phase transmission, that includes in tiny in quantity and gentle in bodyweight.
| Enter pace | 1500-3000r/min | ||
| Reduction ratio | 1.60,2.00 | Trans. capacity | .009kw/r/min |
| 2.fifty five,3.11 | .007kw/r/min | ||
| 3.fifty nine,3.88 | .006kw/r/min | ||
| Handle way | Push-and-pull versatile shaft, electrically, pneumatically | ||
| Rated thrust | 3KN | ||
| Middle distance | 100mm | ||
| L×W×H | 236×390×420mm | ||
| Web fat | 75kg | ||
| Flywheel | SAE11.5,10,7.five | ||
| Bell housing | SAE3,4,5 | ||
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US $1,100 / Piece | |
1 Piece (Min. Order) |
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| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
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| Customization: |
Available
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|---|
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| Input speed | 1500-3000r/min | ||
| Reduction ratio | 1.60,2.00 | Trans. capacity | 0.009kw/r/min |
| 2.55,3.11 | 0.007kw/r/min | ||
| 3.59,3.88 | 0.006kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 3KN | ||
| Center distance | 100mm | ||
| L×W×H | 236×390×420mm | ||
| Net weight | 75kg | ||
| Flywheel | SAE11.5,10,7.5 | ||
| Bell housing | SAE3,4,5 | ||
|
US $1,100 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
###
| Customization: |
Available
|
|---|
###
| Input speed | 1500-3000r/min | ||
| Reduction ratio | 1.60,2.00 | Trans. capacity | 0.009kw/r/min |
| 2.55,3.11 | 0.007kw/r/min | ||
| 3.59,3.88 | 0.006kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 3KN | ||
| Center distance | 100mm | ||
| L×W×H | 236×390×420mm | ||
| Net weight | 75kg | ||
| Flywheel | SAE11.5,10,7.5 | ||
| Bell housing | SAE3,4,5 | ||
Developing a Mathematical Model of a Cyclone Gearbox
Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.
Low friction
Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.
Compact
Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.
High reduction ratio
Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.
Kinematics
Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.
Planetary gearboxes vs cycloidal gearboxes
Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
editor by czh 2023-01-08
China Marine Car Jinding Wooden OEM China Gearbox Auxiliary Transmission planetary gears gear ratio
Solution Description
Merchandise Description
Marine Vehicle CZPT Wood oem China gearbox Auxiliary Transmission
Business Profile
Our Benefits
Exhibition
Packaging & Transport
FAQ
|
US $200-3,000 / Piece | |
1 Piece (Min. Order) |
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Car |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Four-Step |
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| Samples: |
US$ 200/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
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|---|
|
US $200-3,000 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Car |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Four-Step |
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| Samples: |
US$ 200/Piece
1 Piece(Min.Order) |
|---|
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| Customization: |
Available
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|---|
The Advantages of Using a Cyclone Gearbox
Using a cycloidal gearbox to drive an input shaft is a very effective way to reduce the speed of a machine. It does this by reducing the speed of the input shaft by a predetermined ratio. It is capable of very high ratios in relatively small sizes.
Transmission ratio
Whether you’re building a marine propulsion system or a pump for the oil and gas industry, there are certain advantages to using cycloidal gearboxes. Compared to other gearbox types, they’re shorter and have better torque density. These gearboxes also offer the best weight and positioning accuracy.
The basic design of a cycloidal gearbox is similar to that of a planetary gearbox. The main difference is in the profile of the gear teeth.
Cycloid gears have less tooth flank wear and lower Hertzian contact stress. They also have lower friction and torsional stiffness. These advantages make them ideal for applications that involve heavy loads or high-speed drives. They’re also good for high gear ratios.
In a cycloidal gearbox, the input shaft drives an eccentric bearing, while the output shaft drives the cycloidal disc. The cycloidal disc rotates around a fixed ring, and the pins of the ring gear engage the holes in the disc. The pins then drive the output shaft as the disc rotates.
Cycloid gears are ideal for applications that require high gear ratios and low friction. They’re also good for applications that require high torsional stiffness and shock load resistance. They’re also suitable for applications that require a compact design and low backlash.
The transmission ratio of a cycloidal gearbox is determined by the number of lobes on the cycloidal disc. The n=n design of the cycloidal disc moves one lobe per revolution of the input shaft.
Cycloid gears can be manufactured to reduce the gear ratio from 30:1 to 300:1. These gears are suitable for high-end applications, especially in the automation industry. They also offer the best positioning accuracy and backlash. However, they require special manufacturing processes and require non-standard characteristics.
Compressive force
Compared with conventional gearboxes, the cycloidal gearbox has a unique set of kinematics. It has an eccentric bearing in a rotating frame, which drives the cycloidal disc. It is characterized by low backlash and torsional stiffness, which enables geared motion.
In this study, the effects of design parameters were investigated to develop the optimal design of a cycloidal reducer. Three main rolling nodes were studied: a cycloidal disc, an outer race and the input shaft. These were used to analyze the motion related dynamic forces, which can be used to calculate stresses and strains. The gear mesh frequency was calculated using a formula, which incorporated a correction factor for the rotating frame of the outer race.
A three-dimensional finite element analysis (FEA) study was conducted to evaluate the cycloidal disc. The effects of the size of the holes on the disc’s induced stresses were investigated. The study also looked at the torque ripple of a cycloidal drive.
The authors of this study also explored backlash distribution in the output mechanism, which took into account the machining deviations and structure and geometry of the output mechanism. The study also looked at the relative efficiency of a cycloidal reducer, which was based on a single disc cycloidal reducer with a one-tooth difference.
The authors of this study were able to deduce the contact stress of the cycloidal disc, which is calculated using the material-based contact stiffness. This can be used to determine accurate contact stresses in a cycloidal gearbox.
It is important to know the ratios needed for calculation of the bearing rate. This can be calculated using the formula f = k (S x R) where S is the volume of the element, R is the mass, k is the contact stiffness and f is the force vector.
Rotational direction
Unlike the conventional ring gear which has a single axis of rotation, cycloidal gearbox has three rotational axes which are parallel and are located in a single plane. A cycloidal gearbox has excellent torsional stiffness and shock load capacity. It also ensures constant angular velocity, and is used in high-speed gearbox applications.
A cycloidal gearbox consists of an input shaft, a drive member and a cycloidal disc. The disc rotates in one direction, while the input shaft rotates in the opposite direction. The input shaft eccentrically mounts to the drive member. The cycloidal disc meshes with the ring-gear housing, and the rotational motion of the cycloidal disc is transferred to the output shaft.
To calculate the rotational direction of a cycloidal gearbox, the cycloid must have the correct angular orientation and the centerline of the cycloid should be aligned with the center of the output hole. The cycloid’s shortest length should be equal to the radius of the pin circle. The cycloid’s largest radius should be the size of the bearing’s exterior diameter.
A single-stage gear will not have much space to work with, so you’ll need a multistage gear to maximize space. This is also the reason that cycloid gears are usually designed with a shortened cycloid.
To calculate the most efficient tooth profile for a cycloidal gear, a new method was devised. This method uses a mathematical model that uses the cycloid’s rotational direction and a few other geometric parameters. Using a piecewise function related to the distribution of pressure angle, the cycloid’s most efficient profile is determined. It is then superimposed on the theoretical profile. The new method is much more flexible than the conventional method, and can adapt to changing trends of the cycloidal profile.
Design
Several designs of cycloidal gearboxes have been developed. These gearboxes have a large reduction ratio in one stage. They are mainly used for heavy machines. They provide good torsional stiffness and shock load capacity. However, they also have vibrations at high RPM. Several studies have been conducted to find a solution to this problem.
A cycloidal gearbox is designed by calculating the reduction ratio of a mechanism. This ratio is obtained by the size of the input speed. This is then multiplied by the reduction ratio of the gear profile.
The most important factor in the design of a cycloidal gearbox is the load distribution along the width of the gear. Using this as a design criterion, the amplitude of vibration can be reduced. This will ensure that the gearbox is working properly. In order to generate proper mating conditions, the trochoidal profile on the cycloidal disc periphery must be defined accurately.
One of the most common forms of cycloidal gears is circular arc toothing. This is the most common type of toothing used today.
Another form of gear is the hypocycloid. This form requires the rolling circle diameter to be equal to half the base circle diameter. Another special case is the point tooth form. This form is also called clock toothing.
In order to make this gear profile work, the initial point of contact must remain fixed to the edge of the rolling disk. This will generate the hypocycloid curve. The curve is traced from this initial point.
To investigate this gear profile, the authors used a 3D finite element analysis. They used the mathematical model of gear manufacturing that included kinematics parameters, output moment calculations, and machining steps. The resulting design eliminated backlash.
Sizing and selection
Choosing a gearbox can be a complex task. There are many factors that need to be taken into account. You need to determine the type of application, the required speed, the load, and the ratio of the gearbox. By gaining this information, you can find a solution that works best for you.
The first thing you need to do is find the proper size. There are several sizing programs available to help you determine the best gearbox for your application. You can start by drawing a cycloidal gear to help you create the part.
During sizing, it is important to consider the environment. Shock loads, environmental conditions, and ambient temperatures can increase wear on the gear teeth. The temperature also has a significant impact on lubrication viscosities and seal materials.
You also need to consider the input and output speed. This is because the input speed will change your gearbox ratio calculations. If you exceed the input speed, you can damage the seals and cause premature wear on the shaft bearings.
Another important aspect of sizing is the service factor. This factor determines the amount of torque the gearbox can handle. The service factor can be as low as 1.4, which is sufficient for most industrial applications. However, high shock loads and impact loads will require higher service factors. Failure to account for these factors can lead to broken shafts and damaged bearings.
The output style is also important. You need to determine if you want a keyless or keyed hollow bore, as well as if you need an output flange. If you choose a keyless hollow bore, you will need to select a seal material that can withstand the higher temperatures.
editor by czh 2023-01-07
China Hangzhou Advance Marine Gearbox Hcd600A Is Suitable for Fishing, Tug and Various Engineering Boats. precision cycloidal gearbox
Item Description
HangZhou advance Maritime Gearbox HCD600A is ideal for fishing, tug and numerous engineering boats.
Maritime Gearbox HCD600A possesses capabilities of pace reduction, in advance and astern clutching and bearing propeller thrust. It is created of vertically offset and one particular-phase transmission, that includes in modest in quantity, gentle in weight and big in ratio.
| Input velocity | 1000-2100r/min | ||
| Reduction ratio | four.eighteen,4.forty three | Trans. capability | .48kw/r/min |
| four.70 | .46kw/r/min | ||
| five.00 | .44kw/r/min | ||
| 5.44,5.71 | .4kw/r/min | ||
| Manage way | Push-and-pull versatile shaft, electrically, pneumatically | ||
| Rated thrust | 90KN | ||
| Middle length | 415mm | ||
| L×W×H | 745x1094x1271mm | ||
| Internet weight | 1550kg | ||
| Flywheel | SAE21,eighteen,16,14 | ||
| Bell housing | SAE00, | ||
|
US $6,000 / Piece | |
1 Piece (Min. Order) |
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| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
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| Customization: |
Available
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|---|
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| Input speed | 1000-2100r/min | ||
| Reduction ratio | 4.18,4.43 | Trans. capacity | 0.48kw/r/min |
| 4.70 | 0.46kw/r/min | ||
| 5.00 | 0.44kw/r/min | ||
| 5.44,5.71 | 0.4kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 90KN | ||
| Center distance | 415mm | ||
| L×W×H | 745x1094x1271mm | ||
| Net weight | 1550kg | ||
| Flywheel | SAE21,18,16,14 | ||
| Bell housing | SAE00,0 | ||
|
US $6,000 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
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| Customization: |
Available
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|---|
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| Input speed | 1000-2100r/min | ||
| Reduction ratio | 4.18,4.43 | Trans. capacity | 0.48kw/r/min |
| 4.70 | 0.46kw/r/min | ||
| 5.00 | 0.44kw/r/min | ||
| 5.44,5.71 | 0.4kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 90KN | ||
| Center distance | 415mm | ||
| L×W×H | 745x1094x1271mm | ||
| Net weight | 1550kg | ||
| Flywheel | SAE21,18,16,14 | ||
| Bell housing | SAE00,0 | ||
The Basics of a Cyclone Gearbox
Besides being compact, cycloidal speed reducers also offer low backlash and high ratios. Because of the small size of the drive, they are ideal for applications where space is a problem.
Involute gear tooth profile
Almost all gears use an involute gear tooth profile. This profile has a single curve, which means that the gear teeth do not have to be aligned closely with each other. This profile is smooth and can be manufactured easily.
Cycloid gears have a combination of epicycloid and hypocycloid curves. This makes them stronger than involute gear teeth. However, they can be more expensive to manufacture. They also have larger reduction ratios. They transmit more power than involute gears. Cycloid gears can be found in clocks.
When designing a gear, you need to consider several factors. Some of these include the number of teeth, the tooth angle and the lubrication type. Having a gear tooth that is not perfectly aligned can result in transmission error, noise and vibration.
The tooth profile of an involute gear is usually considered the best. Because of this, it is used in a wide variety of gears. Some of the most common applications for this profile are power transmission gears. However, this profile is not the best for every application.
Cycloid gears require more complex manufacturing processes than involute gear teeth. This can cause a larger tooth cost. Cycloid gears are used for less noisy applications.
Cycloid gears also transmit more power than involute gears. This can cause problems if the radii change tangentially. However, the shape is more simple than involute gears. Involute gears can handle centre sifts better.
Cycloid gears are less susceptible to transmission error. Cycloid gears have a convex surface, which makes them stronger than involute teeth. Cycloid gears also have a larger reduction ratio than involute gears. Cycloid teeth do not interfere with the mating teeth. However, they have a smaller number of teeth than involute teeth.
Rotation on the inside of the reference pitch circle of the pins
Whether a cycloidal gearbox is designed for stationary or rotating applications, the fundamental law of gearing must be observed: The ratio of angular velocities must be constant. This requires the rotation on the inside of the reference pitch circle of the pins to be constant. This is achieved through a series of cycloidal teeth, which act like tiny levers to transmit motion.
A cycloidal disc has N lobes which are rotated by three lobes per rotation around N pins. The number of lobes on a cycloidal disc is a significant factor in determining the transmission ratio.
A cycloidal disc is driven by an eccentric input shaft which is mounted to an eccentric bearing within an output shaft. As the input shaft rotates, the cycloidal disc moves around the pins of the pin disc.
The drive pin rotates at a 40 deg angle while the cycloidal disc rotates on the inside of the reference pitch circle of pins. As the drive pin rotates, it will slow the output motion. This means that the output shaft will complete only three revolutions with the input shaft, as opposed to nine revolutions with the input shaft.
The number of teeth on a cycloidal disc must be small compared to the number of surrounding pins. The disc must also be constructed with an eccentric radius. This will determine the size of the hole which will be required for the pin to fit between the pins.
When the input shaft is turned, the cycloidal disc will rotate on the inside of the reference pitch circle of roller pins. This will then transmit motion to the output shaft. The output shaft is supported by two bearings in an output housing. This design has low wear and torsional stiffness.
Transmission ratio
Choosing the right transmission ratio of cycloidal gearbox isn’t always easy. You might need to know the size of your gearbox before you can make an educated choice. You may also need to refer to the product catalog for guidance. For example, CZPT gearboxes have some unique ratios.
A cycloidal gear reducer is a compact and high-speed torque transmission device that reverses the direction of angular movement of the follower shaft. It consists of an eccentric cam positioned inside a cycloidal disc. Pin rollers on the follower shaft fit into matching holes in the cycloidal disc. In the process, the pins slide around the holes, in response to wobbling motion. The cycloidal disc is also capable of engaging the internal teeth of a ring-gear housing.
A cycloidal gear reducer can be used in a wide variety of applications, including industrial automation, robotics and power transmissions on boats and cranes. A cycloidal gear reducer is ideally suited for heavy duty applications with large payloads. They require specialized manufacturing processes, and are often used in equipment with precise output and high efficiency.
The cycloidal gear reducer is a relatively simple structure, but it does require some special tools. Cycloid gear reducers are also used to transmit torque, which is one of the reasons they are so popular in automation. Using a cycloidal gear reducer is a good choice for applications that require higher efficiency and lower backlash. It is also a good choice for applications where size is a concern. Cycloid gears are also a good choice for applications where high speed and high torque are required.
The transmission ratio of cycloidal gearbox is probably the most important function of a gearbox. You need to know the size of your gearbox and the type of gears it contains in order to make the right choice.
Vibration reduction
Considering the unique dynamics of a cycloidal gearbox, vibration reduction measures are required for a smooth operation. These measures can also help with the detection of faults.
A cycloidal gearbox is a gearbox with an eccentric bearing that rotates the center of the gears. It shares torque load with five outer rollers at any given time. It can be applied in many applications. It is a relatively inexpensive asset. However, if it fails, it can have significant economic impacts.
A typical input/output gearbox consists of a ring plate and two cranks mounted on the input shaft. The ring plate rotates when the input shaft rotates. There are two bearings on the output shaft.
The ring plate is a major noise source because it is not balanced. The cycloidal gear also produces noise when it meshes with the ring plate. This noise is generated by structural resonance. Several studies have been performed to solve this problem.
However, there is not much documented work on the condition monitoring of cycloidal gearboxes. In this article, we will introduce modern techniques for vibration diagnostics.
A cycloidal gearbox with a reduced reduction ratio has higher induced stresses in the cycloidal disc. In this case, the size of the output hole is larger and more material is removed from the cycloidal disc. This increase in the disc’s stresses leads to higher vibration amplitudes.
The load distribution along the width of the gear is an important design criterion. Using different gear profiles can help to optimize the transmission of torque. The contact stress of the cycloidal disc can also be investigated.
To determine the amplitude of the noise, the frequency of the gear mesh is multiplied by the shaft rate. If the RPM is relatively stable, the frequency can be used as a measure of magnitude. However, this is only accurate at close to failure.
Comparison with planetary gearboxes
Several differences exist between cycloidal gearboxes and planetary gearboxes. They are related to gear geometry and manufacturing processes. Among them, there are:
– The output shaft of a cycloidal gearbox has a larger torque than the input shaft. The rotational speed of the output shaft is lower than the input shaft.
– The cycloid gear disc rotates at variable velocity, while the planetary gear has a fixed speed. Consequently, the cycloid disc and output flange transmission accuracy is lower than that of the planetary gears.
– The cycloidal gearbox has a larger gripping area than the planetary gear. This is an advantage of the cycloidal gearbox in that it can handle larger loads.
– The cycloid profile has a significant impact on the quality of contact meshing between the tooth surfaces. The width of the contact ellipses increases by 90%. This is a result of the elimination of undercuts of the lobes. In this way, the contact force on the cycloid disc is decreased significantly.
– The cycloid drive has lower backlash and high torsional stiffness. This allows a cycloidal drive to be more stable against shock loads. The cycloid drive is also a compact design, which is ideally suited for applications with large transmission ratios.
– The output hub of the cycloid gearbox has movable pins and rollers. These components are attached to the ring gear in the outer gearbox. The output shaft is also turned by the planet carrier. The output hub of the cycloid system is composed of two parts: the ring gear and the output flange.
– The input shaft of a cycloidal gearbox is connected to a servomotor. The input shaft is a cylindrical element that is fixed to the planet carrier.
editor by czh 2023-01-03
China China Supplier Hot Sale Fd125 Type Marine Gearbox cycloidal gear gearbox
Merchandise Description
Higher top quality maritime gearbox
| location of origin | China (mainland) |
| net bodyweight | 120kg |
| ration | 2.03,2.forty six,3.04,3.57,4.05,4.39,4.seven |
| motor | 1800, 2100rpm |
| packge | wooden case |
| operation | semi-automated |
| drive | five.5KN |
Our item has aggressive cost, very best cost and services.
We are a expert maker with 20 years’ encounter. Trust us!
Quality is our culture.
If pick us, you will be amazed.
|
US $2,500 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Machinery, Marine, Car |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened |
| Installation: | Torque Arm Type |
| Step: | Stepless |
###
| Customization: |
Available
|
|---|
###
| place of origin | China (mainland) |
| net weight | 120kg |
| ration | 2.03,2.46,3.04,3.57,4.05,4.39,4.7 |
| motor | 1800, 2100rpm |
| packge | wooden case |
| operation | semi-automatic |
| push | 5.5KN |
|
US $2,500 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Machinery, Marine, Car |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened |
| Installation: | Torque Arm Type |
| Step: | Stepless |
###
| Customization: |
Available
|
|---|
###
| place of origin | China (mainland) |
| net weight | 120kg |
| ration | 2.03,2.46,3.04,3.57,4.05,4.39,4.7 |
| motor | 1800, 2100rpm |
| packge | wooden case |
| operation | semi-automatic |
| push | 5.5KN |
The Basics of Designing a Cyclone Gearbox
Compared to conventional gearboxes, the cycloidal gearbox offers a number of advantages including a higher ratio of transmission, robustness against shock loads, and greater positioning accuracy. However, designing a cycloidal gearbox can be complicated. This article will discuss some of the basic design principles. In addition, it will cover topics such as size, position accuracy, and transmission ratios.
Basic design principles
Unlike a conventional ring gear, a cycloidal gearbox uses a cycloidal disc to provide torque multiplication. The output direction of the cycloidal gear disc is opposite to the rotation of the input shaft. This allows for more compact gear construction. It also allows for increased load capacity.
Cycloid drive kinematics can appear complex, but they are actually quite simple. Instead of rotating around the center of gravity like conventional gears, the cycloidal disc rotates around fixed pins. This provides a higher reduction ratio.
To reduce vibrations and noise, multiple cycloidal discs are used. This allows for uniform distribution of forces on the carrier pin devices. This also provides a better rotational balance. In addition, multiple cycloidal discs reduce the axial moment of the carrier pin devices.
The cycloidal gear disc is supported by a separate gear disc bearing. This design provides a low component count and reduces wear. This type of kinematics can also be used in an electric motor with a high power density.
The cycloidal gear disc provides a high reduction ratio, which allows for compact construction. Unlike a ring gear, the cycloidal disc has fewer teeth. It also provides a higher reduction ratio, which is advantageous for high rotational input speed applications.
Cycloid gear discs have cylindrical holes, which allow for carrier pin devices to protrude through them. This is useful because the carrier pin devices can roll along the inside wall of the cylindrical hole in the gear disc.
A load plate is also used to provide anchorage for external structures. This plate contains threaded screw holes arranged 15mm away from the center. It has a 9mm external diameter and a 3mm through hole.
Transmission ratios up to 300:1
cycloidal gearboxes are used in a wide range of applications, from machine tools to medical imaging devices. Compared to planetary gearboxes, they offer superior positioning accuracy, torsional stiffness, backlash, and fatigue performance.
Cycloid gearboxes are also capable of transmitting more torque than planetary gears. In addition, they have a lower Hertzian contact stress and higher overload protection. Cycloid gearboxes are able to provide transmission ratios up to 300:1 in a small package.
Cycloid gears also have lower backlash over extended periods, making them an ideal choice for applications with critical positioning accuracy. Cycloid gearboxes also have good wear resistance, as well as low friction. Cycloid gears are lightweight and have good torsional stiffness, making them ideal for applications with heavy loads.
Cycloid gearboxes have several different designs. They can provide transmission ratios up to 300:1 without the need for additional pre-stages. Cycloid gears also require more accurate manufacturing processes than involute gears. Cycloid gearboxes can also be used for applications that require high power consumption, and can withstand shock loads.
Cycloid gearboxes can be adapted to fit most common servomotors. They have a modular design, all-round corrosion protection, and easy installation. Cycloid gears have a radial clamping ring, which reduces inertia by up to 39%.
CZPT Precision Europe GmbH, a subsidiary of CZPT Group, has developed an innovative online configurator to simplify the configuration of gearboxes. CZPT cycloidal gearheads are precision-built, robust, and reliable. They have a two-stage reduction principle, which minimises vibration and provides even force distribution.
Cycloid gears are capable of providing transmission ratios from 30:1 to 300:1. Cycloid gearboxes can achieve high gear ratios because they require fewer moving parts, and they have a low backlash.
Robustness against shock loads
Unlike conventional gearboxes that are easily damaged by shock loads, the cycloidal gearbox is extremely robust. It is a versatile solution that is ideally suited for handling equipment, food manufacturing, and machine tools.
The mechanical construction of a cycloidal gearbox consists of several mechanical components. These include cycloidal wheels, bearings, transformation elements, and needles. In addition, it has high torsional stiffness and tilting moment. It is also accompanied by highly nonlinear friction characteristic.
In order to assess the robustness of the cycloidal gearbox against shock loads, a mathematical model was developed. The model was used to calculate the stress distribution on the cycloid disc. This model can be used as a basis for more complex mechanical models.
The model is based on new approach, which allows to model stiction in all quadrants of the cycloid gear. In addition, it can be applied to actuator control.
The mathematical model is presented together with the procedure for measuring the contact stress. The results are compared to the measurement performed in the real system. The model and the measurement are found to be very close to each other.
The model also allows for the analysis of different gear profiles for load distribution. In addition, it is possible to analyze contact stresses with different geometric parameters. The mesh refinement along the disc width helps to ensure an even distribution of contact forces.
The stiction breakaway speed is calculated to the motor side. The non-zero current is then derived to the input side of the gearbox. In addition, a small steady phase is modeled during the speed direction transition. The results of the simulation are compared to the measurement. The results show that the model is extremely accurate.
Positioning accuracy
Getting the correct positioning accuracy from a cycloidal gearbox is no small feat. This is because the gears are compact, and the clearances are relatively small. This means you can expect a lot of torque from your output shaft. However, this is only part of the picture. Other concerns, such as backlash, kinematic error, and loading are all important considerations.
Getting the best possible positioning accuracy from a cycloidal gearbox means choosing a reducer that is well-made and correctly configured. A properly-selected reducer will eliminate repeatable inaccuracies and provide absolute positioning accuracy at all times. In addition, this type of gearbox offers several advantages over conventional gearboxes. These include high efficiency, low backlash, and high overload protection.
Getting the correct positioning accuracy from a gearbox also involves choosing a supplier that knows what it is doing. The best vendors are those who have experience with the product, offer a wide variety, and provide support and service to ensure the product is installed and maintained correctly. Another consideration is the manufacturer’s warranty. A reputable manufacturer will offer warranties for the gearbox. The aforementioned factors will ensure that your investment in a cycloidal gearbox pays off for years to come.
Getting the correct positioning accuracy from your cycloidal gearbox involves choosing a manufacturer that specializes in this type of product. This is particularly true if you are involved in robotics, automated painting, or any other industrial process that requires the best possible accuracy. A good manufacturer will offer the latest technology, and have the expertise to help you find the best solution for your application. This will ensure your product is a success from start to finish.
Size
Choosing the right size of cycloidal gearbox is important for its efficient operation. However, it is not a simple task. The process involves complex machining and requires the creation of many parts. There are different sizes of cycloidal gearboxes, and a few basic rules of thumb can help you choose the right size.
The first rule of thumb for choosing the right size of cycloidal gearboxes is to use a gearbox with the same diameter of the input shaft. This means that the gearbox must be at least 5mm thick. The cycloid will also require a base and a bearing to hold the driveshaft in place. The base should be large enough to house the pins. The bearing must be the same size as the input shaft.
The next rule of thumb is to have a hole in the cycloid for the output shaft. In this way, the output will be back-drivable and has low backlash. There should be at least four to six output holes. The size of the holes should be such that the centerline of the cycloid is equal to the size of the center of the bearing.
Using a Desmos graph, you can then create the gear parameters. The number of pins should be equal to the number of teeth in the cycloidal gear, and the size of the pins should be twice the size of the gear. The radius of the pins should be equal to the value of C from Desmos, and the size of the pin circle should be equal to the R value.
The final rule of thumb is to ensure that the cycloid has no sharp edges or discontinuities. It should also have a smooth line.
editor by czh 2022-12-25
China Hangzhou Fada Marine Gearbox Jt700/1 Is Suitable for Fishing, Tug and Various Engineering Boats. cycloidal gear reducer design
Merchandise Description
HangZhou CZPT marine gearbox JT700/1 Is Suited for Fishing, Tug and Numerous Engineering Boats.
FADA maritime gearbox JT700/1 possesses features of pace reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and two-phase transmission, showcasing in modest in quantity, light in weight and big in ratio.
| Enter speed | |||
| Reduction ratio | twelve.584,13.244 | Trans. capacity | .73kw/r/min |
| thirteen.945 | .7kw/r/min | ||
| 14.68 | .68kw/r/min | ||
| fifteen.46 | .66kw/r/min | ||
| 15.915 | .64kw/r/min | ||
| sixteen.285 | .61kw/r/min | ||
| 17.16,seventeen.696 | .57kw/r/min | ||
| 18.267 | .55kw/r/min | ||
| 19.078 | .53kw/r/min | ||
| 19.714,twenty.thirteen | .5kw/r/min | ||
| Management way | Push-and-pull adaptable shaft, electrically, pneumatically | ||
| Rated thrust | 240KN | ||
| Centre length | 570mm | ||
| L×W×H | 1371x1560x1910mm | ||
| Net weight | 3800kg | ||
| Flywheel | Depend on motor flywheel | ||
| Bell housing | No | ||
|
US $78,000 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
###
| Customization: |
Available
|
|---|
###
| Input speed | |||
| Reduction ratio | 12.584,13.244 | Trans. capacity | 0.73kw/r/min |
| 13.945 | 0.7kw/r/min | ||
| 14.68 | 0.68kw/r/min | ||
| 15.46 | 0.66kw/r/min | ||
| 15.915 | 0.64kw/r/min | ||
| 16.285 | 0.61kw/r/min | ||
| 17.16,17.696 | 0.57kw/r/min | ||
| 18.267 | 0.55kw/r/min | ||
| 19.078 | 0.53kw/r/min | ||
| 19.714,20.13 | 0.5kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 240KN | ||
| Center distance | 570mm | ||
| L×W×H | 1371x1560x1910mm | ||
| Net weight | 3800kg | ||
| Flywheel | Depend on engine flywheel | ||
| Bell housing | No | ||
|
US $78,000 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Marine, Agricultural Machinery |
|---|---|
| Function: | Clutch, Change Drive Torque, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Soft Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Double-Step |
###
| Customization: |
Available
|
|---|
###
| Input speed | |||
| Reduction ratio | 12.584,13.244 | Trans. capacity | 0.73kw/r/min |
| 13.945 | 0.7kw/r/min | ||
| 14.68 | 0.68kw/r/min | ||
| 15.46 | 0.66kw/r/min | ||
| 15.915 | 0.64kw/r/min | ||
| 16.285 | 0.61kw/r/min | ||
| 17.16,17.696 | 0.57kw/r/min | ||
| 18.267 | 0.55kw/r/min | ||
| 19.078 | 0.53kw/r/min | ||
| 19.714,20.13 | 0.5kw/r/min | ||
| Control way | Push-and-pull flexible shaft, electrically, pneumatically | ||
| Rated thrust | 240KN | ||
| Center distance | 570mm | ||
| L×W×H | 1371x1560x1910mm | ||
| Net weight | 3800kg | ||
| Flywheel | Depend on engine flywheel | ||
| Bell housing | No | ||
The Basics of a Cyclone Gearbox
Besides being compact, cycloidal speed reducers also offer low backlash and high ratios. Because of the small size of the drive, they are ideal for applications where space is a problem.
Involute gear tooth profile
Almost all gears use an involute gear tooth profile. This profile has a single curve, which means that the gear teeth do not have to be aligned closely with each other. This profile is smooth and can be manufactured easily.
Cycloid gears have a combination of epicycloid and hypocycloid curves. This makes them stronger than involute gear teeth. However, they can be more expensive to manufacture. They also have larger reduction ratios. They transmit more power than involute gears. Cycloid gears can be found in clocks.
When designing a gear, you need to consider several factors. Some of these include the number of teeth, the tooth angle and the lubrication type. Having a gear tooth that is not perfectly aligned can result in transmission error, noise and vibration.
The tooth profile of an involute gear is usually considered the best. Because of this, it is used in a wide variety of gears. Some of the most common applications for this profile are power transmission gears. However, this profile is not the best for every application.
Cycloid gears require more complex manufacturing processes than involute gear teeth. This can cause a larger tooth cost. Cycloid gears are used for less noisy applications.
Cycloid gears also transmit more power than involute gears. This can cause problems if the radii change tangentially. However, the shape is more simple than involute gears. Involute gears can handle centre sifts better.
Cycloid gears are less susceptible to transmission error. Cycloid gears have a convex surface, which makes them stronger than involute teeth. Cycloid gears also have a larger reduction ratio than involute gears. Cycloid teeth do not interfere with the mating teeth. However, they have a smaller number of teeth than involute teeth.
Rotation on the inside of the reference pitch circle of the pins
Whether a cycloidal gearbox is designed for stationary or rotating applications, the fundamental law of gearing must be observed: The ratio of angular velocities must be constant. This requires the rotation on the inside of the reference pitch circle of the pins to be constant. This is achieved through a series of cycloidal teeth, which act like tiny levers to transmit motion.
A cycloidal disc has N lobes which are rotated by three lobes per rotation around N pins. The number of lobes on a cycloidal disc is a significant factor in determining the transmission ratio.
A cycloidal disc is driven by an eccentric input shaft which is mounted to an eccentric bearing within an output shaft. As the input shaft rotates, the cycloidal disc moves around the pins of the pin disc.
The drive pin rotates at a 40 deg angle while the cycloidal disc rotates on the inside of the reference pitch circle of pins. As the drive pin rotates, it will slow the output motion. This means that the output shaft will complete only three revolutions with the input shaft, as opposed to nine revolutions with the input shaft.
The number of teeth on a cycloidal disc must be small compared to the number of surrounding pins. The disc must also be constructed with an eccentric radius. This will determine the size of the hole which will be required for the pin to fit between the pins.
When the input shaft is turned, the cycloidal disc will rotate on the inside of the reference pitch circle of roller pins. This will then transmit motion to the output shaft. The output shaft is supported by two bearings in an output housing. This design has low wear and torsional stiffness.
Transmission ratio
Choosing the right transmission ratio of cycloidal gearbox isn’t always easy. You might need to know the size of your gearbox before you can make an educated choice. You may also need to refer to the product catalog for guidance. For example, CZPT gearboxes have some unique ratios.
A cycloidal gear reducer is a compact and high-speed torque transmission device that reverses the direction of angular movement of the follower shaft. It consists of an eccentric cam positioned inside a cycloidal disc. Pin rollers on the follower shaft fit into matching holes in the cycloidal disc. In the process, the pins slide around the holes, in response to wobbling motion. The cycloidal disc is also capable of engaging the internal teeth of a ring-gear housing.
A cycloidal gear reducer can be used in a wide variety of applications, including industrial automation, robotics and power transmissions on boats and cranes. A cycloidal gear reducer is ideally suited for heavy duty applications with large payloads. They require specialized manufacturing processes, and are often used in equipment with precise output and high efficiency.
The cycloidal gear reducer is a relatively simple structure, but it does require some special tools. Cycloid gear reducers are also used to transmit torque, which is one of the reasons they are so popular in automation. Using a cycloidal gear reducer is a good choice for applications that require higher efficiency and lower backlash. It is also a good choice for applications where size is a concern. Cycloid gears are also a good choice for applications where high speed and high torque are required.
The transmission ratio of cycloidal gearbox is probably the most important function of a gearbox. You need to know the size of your gearbox and the type of gears it contains in order to make the right choice.
Vibration reduction
Considering the unique dynamics of a cycloidal gearbox, vibration reduction measures are required for a smooth operation. These measures can also help with the detection of faults.
A cycloidal gearbox is a gearbox with an eccentric bearing that rotates the center of the gears. It shares torque load with five outer rollers at any given time. It can be applied in many applications. It is a relatively inexpensive asset. However, if it fails, it can have significant economic impacts.
A typical input/output gearbox consists of a ring plate and two cranks mounted on the input shaft. The ring plate rotates when the input shaft rotates. There are two bearings on the output shaft.
The ring plate is a major noise source because it is not balanced. The cycloidal gear also produces noise when it meshes with the ring plate. This noise is generated by structural resonance. Several studies have been performed to solve this problem.
However, there is not much documented work on the condition monitoring of cycloidal gearboxes. In this article, we will introduce modern techniques for vibration diagnostics.
A cycloidal gearbox with a reduced reduction ratio has higher induced stresses in the cycloidal disc. In this case, the size of the output hole is larger and more material is removed from the cycloidal disc. This increase in the disc’s stresses leads to higher vibration amplitudes.
The load distribution along the width of the gear is an important design criterion. Using different gear profiles can help to optimize the transmission of torque. The contact stress of the cycloidal disc can also be investigated.
To determine the amplitude of the noise, the frequency of the gear mesh is multiplied by the shaft rate. If the RPM is relatively stable, the frequency can be used as a measure of magnitude. However, this is only accurate at close to failure.
Comparison with planetary gearboxes
Several differences exist between cycloidal gearboxes and planetary gearboxes. They are related to gear geometry and manufacturing processes. Among them, there are:
– The output shaft of a cycloidal gearbox has a larger torque than the input shaft. The rotational speed of the output shaft is lower than the input shaft.
– The cycloid gear disc rotates at variable velocity, while the planetary gear has a fixed speed. Consequently, the cycloid disc and output flange transmission accuracy is lower than that of the planetary gears.
– The cycloidal gearbox has a larger gripping area than the planetary gear. This is an advantage of the cycloidal gearbox in that it can handle larger loads.
– The cycloid profile has a significant impact on the quality of contact meshing between the tooth surfaces. The width of the contact ellipses increases by 90%. This is a result of the elimination of undercuts of the lobes. In this way, the contact force on the cycloid disc is decreased significantly.
– The cycloid drive has lower backlash and high torsional stiffness. This allows a cycloidal drive to be more stable against shock loads. The cycloid drive is also a compact design, which is ideally suited for applications with large transmission ratios.
– The output hub of the cycloid gearbox has movable pins and rollers. These components are attached to the ring gear in the outer gearbox. The output shaft is also turned by the planet carrier. The output hub of the cycloid system is composed of two parts: the ring gear and the output flange.
– The input shaft of a cycloidal gearbox is connected to a servomotor. The input shaft is a cylindrical element that is fixed to the planet carrier.
editor by czh 2022-12-23