Tag Archives: marine gearbox advance

China wholesaler 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

cycloidal gearbox

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.

cycloidal gearbox

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.

cycloidal gearbox

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:

  1. High-Speed Input Shaft: The gearbox is connected to a high-speed input shaft, typically driven by an electric motor or another power source.
  2. 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.
  3. 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.
  4. 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.

China wholesaler China Advance Marine Gearbox (MB242)   automatic gearbox	China wholesaler China Advance Marine Gearbox (MB242)   automatic gearbox
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

cycloidal gearbox

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.

cycloidal gearbox

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.

cycloidal gearbox

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:

  1. 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.
  2. 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.
  3. 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.

China factory China Advance Marine Gearbox (MB242)   automatic gearbox	China factory China Advance Marine Gearbox (MB242)   automatic gearbox
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

cycloidal gearbox

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.

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.

cycloidal gearbox

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.

China Standard China Advance Marine Gearbox (MB242)   gearbox and motor	China Standard China Advance Marine Gearbox (MB242)   gearbox and motor
editor by CX 2023-09-28

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

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:

###

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:

###

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.helical gearbox

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.helical gearbox

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.helical gearbox

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.
China Hangzhou Advance Marine Gearbox Ma100 Is Suitable for Small Fishing, Transport, Traffic and Rescue Boats.     cycloidal gearbox lubricationChina Hangzhou Advance Marine Gearbox Ma100 Is Suitable for Small Fishing, Transport, Traffic and Rescue Boats.     cycloidal gearbox lubrication
editor by czh 2023-01-08

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)

###

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:

###

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

###

Customization:

###

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.helical gearbox

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.helical gearbox

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.helical gearbox

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.
China Hangzhou Advance Marine Gearbox Hcd600A Is Suitable for Fishing, Tug and Various Engineering Boats.     precision cycloidal gearboxChina Hangzhou Advance Marine Gearbox Hcd600A Is Suitable for Fishing, Tug and Various Engineering Boats.     precision cycloidal gearbox
editor by czh 2023-01-03

China Brand New Advance Marine Gearbox Hct400A synchromesh gearbox

Product Description

Marine Gearbox HCT400A possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and two-stage transmission, featuring in small in volume, large in ratio, light in weight and higher loading capacity.

Main data
 

Input speed 1000-2100r/min
Reduction ratio 6.09,6.49,6.93 Trans. capacity 0.331kw/r/min
7.42 0.309 kw/r/min
7.95 0.287kw/r/min
8.40 0.265 kw/r/min
9.00,9.47 0.243 kw/r/min
Control way Push-and-pull flexible shaft, electrically, pneumatically
Rated thrust 82KN
Center distance 375mm
L×W×H 784×992×1130mm
Net weight 1450kg
Flywheel SAE18,16,14
Bell housing SAE0,1

Application

Marine Gearbox HCT400A is suitable for fishing, tug and various engineering boats

 

US $5,000
/ PCS
|
1 PCS

(Min. Order)

###

Application: Machinery, Marine
Function: Clutch, Speed Reduction
Layout: Cycloidal
Hardness: Soft Tooth Surface
Installation: Torque Arm Type
Step: Stepless

###

Customization:

###

Input speed 1000-2100r/min
Reduction ratio 6.09,6.49,6.93 Trans. capacity 0.331kw/r/min
7.42 0.309 kw/r/min
7.95 0.287kw/r/min
8.40 0.265 kw/r/min
9.00,9.47 0.243 kw/r/min
Control way Push-and-pull flexible shaft, electrically, pneumatically
Rated thrust 82KN
Center distance 375mm
L×W×H 784×992×1130mm
Net weight 1450kg
Flywheel SAE18,16,14
Bell housing SAE0,1
US $5,000
/ PCS
|
1 PCS

(Min. Order)

###

Application: Machinery, Marine
Function: Clutch, Speed Reduction
Layout: Cycloidal
Hardness: Soft Tooth Surface
Installation: Torque Arm Type
Step: Stepless

###

Customization:

###

Input speed 1000-2100r/min
Reduction ratio 6.09,6.49,6.93 Trans. capacity 0.331kw/r/min
7.42 0.309 kw/r/min
7.95 0.287kw/r/min
8.40 0.265 kw/r/min
9.00,9.47 0.243 kw/r/min
Control way Push-and-pull flexible shaft, electrically, pneumatically
Rated thrust 82KN
Center distance 375mm
L×W×H 784×992×1130mm
Net weight 1450kg
Flywheel SAE18,16,14
Bell housing SAE0,1

How to Select a Gearbox

When you drive your vehicle, the gearbox provides you with traction and speed. The lower gear provides the most traction, while the higher gear has the most speed. Selecting the right gear for your driving conditions will help you maximize both. The right gearing will vary based on road conditions, load, and speed. Short gearing will accelerate you more quickly, while tall gearing will increase top speed. However, you should understand how to use the gearbox before driving.
gearbox

Function

The function of the gearbox is to transmit rotational energy to the machine’s drive train. The ratio between input and output torque is the ratio of the torque to the speed of rotation. Gearboxes have many different functions. A gearbox may have multiple functions or one function that is used to drive several other machines. If one gear is not turning, the other will be able to turn the gearbox. This is where the gearbox gets its name.
The pitch-controlled system has an equal number of failure modes as the electrical system, accounting for a large proportion of the longest machine downtime and halt time. The relationship between mechanisms and faults is not easily modeled mathematically. Failure modes of gearboxes are shown in Fig. 3. A gearbox’s true service life is six to eight years. However, a gearbox’s fault detection process must be developed as mature technology is required to reduce the downtime and avoid catastrophic incidents.
A gearbox is a vital piece of machinery. It processes energy produced by an engine to move the machine’s parts. A gearbox’s efficiency depends on how efficiently it transfers energy. The higher the ratio, the more torque is transferred to the wheels. It is a common component of bicycles, cars, and a variety of other devices. Its four major functions include:
In addition to ensuring gearbox reliability, a gearbox’s maintainability should be evaluated in the design phase. Maintainability considerations should be integrated into the gearbox design, such as the type of spare parts available. An appropriate maintenance regime will also determine how often to replace or repair specific parts. A proper maintenance procedure will also ensure that the gearbox is accessible. Whether it is easy to access or difficult to reach, accessibility is essential.

Purpose

A car’s transmission connects the engine to the wheels, allowing a higher-speed crankshaft to provide leverage. High-torque engines are necessary for the vehicle’s starting, acceleration, and meeting road resistance. The gearbox reduces the engine’s speed and provides torque variations at the wheels. The transmission also provides reversing power, making it possible to move the vehicle backwards and forwards.
Gears transmit power from one shaft to another. The size of the gears and number of teeth determine the amount of torque the unit can transmit. A higher gear ratio means more torque, but slower speed. The gearbox’s lever moves the engaging part on the shaft. The lever also slides the gears and synchronizers into place. If the lever slips to the left or right, the engine operates in second gear.
Gearboxes need to be closely monitored to reduce the likelihood of premature failure. Various tests are available to detect defective gear teeth and increase machine reliability. Figure 1.11(a) and (b) show a gearbox with 18 teeth and a 1.5:1 transmission ratio. The input shaft is connected to a sheave and drives a “V” belt. This transmission ratio allows the gearbox to reduce the speed of the motor, while increasing torque and reducing output speed.
When it comes to speed reduction, gear box is the most common method for reducing motor torque. The torque output is directly proportional to the volume of the motor. A small gearbox, for example, can produce as much torque as a large motor with the same output speed. The same holds true for the reverse. There are hybrid drives and in-line gearboxes. Regardless of the type, knowing about the functions of a gearbox will make it easier to choose the right one for your specific application.
gearbox

Application

When selecting a gearbox, the service factor must be considered. Service factor is the difference between the actual capacity of the gearbox and the value required by the application. Additional requirements for the gearbox may result in premature seal wear or overheating. The service factor should be as low as possible, as it could be the difference between the lifetime of the gearbox and its failure. In some cases, a gearbox’s service factor can be as high as 1.4, which is sufficient for most industrial applications.
China dominates the renewable energy industry, with the largest installed capacity of 1000 gigawatts and more than 2000 terawatt hours of electricity generated each year. The growth in these sectors is expected to increase the demand for gearboxes. For example, in China, wind and hydropower energy production are the major components of wind and solar power plants. The increased installation capacity indicates increased use of gearboxes for these industries. A gearbox that is not suitable for its application will not be functional, which may be detrimental to the production of products in the country.
A gearbox can be mounted in one of four different positions. The first three positions are concentric, parallel, or right angle, and the fourth position is shaft mount. A shaft mount gearbox is typically used in applications where the motor can’t be mounted via a foot. These positions are discussed in more detail below. Choosing the correct gearbox is essential in your business, but remember that a well-designed gearbox will help your bottom line.
The service factor of a gearbox is dependent on the type of load. A high shock load, for example, can cause premature failure of the gear teeth or shaft bearings. In such cases, a higher service factor is required. In other cases, a gearbox that is designed for high shock loads can withstand such loads without deteriorating its performance. Moreover, it will also reduce the cost of maintaining the gearbox over time.

Material

When choosing the material for your gearbox, you must balance the strength, durability, and cost of the design. This article will discuss the different types of materials and their respective applications and power transmission calculations. A variety of alloys are available, each of which offers its own advantages, including improved hardness and wear resistance. The following are some of the common alloys used in gears. The advantage of alloys is their competitive pricing. A gear made from one of these materials is usually stronger than its counterparts.
The carbon content of SPCC prevents the material from hardening like SS. However, thin sheets made from SPCC are often used for gears with lower strength. Because of the low carbon content, SPCC’s surface doesn’t harden as quickly as SS gears do, so soft nitriding is needed to provide hardness. However, if you want a gear that won’t rust, then you should consider SS or FCD.
In addition to cars, gearboxes are also used in the aerospace industry. They are used in space travel and are used in airplane engines. In agriculture, they are used in irrigation, pest and insect control machinery, and plowing machines. They are also used in construction equipment like cranes, bulldozers, and tractors. Gearboxes are also used in the food processing industry, including conveyor systems, kilns, and packaging machinery.
The teeth of the gears in your gearbox are important when it comes to performance. A properly meshing gear will allow the gears to achieve peak performance and withstand torque. Gear teeth are like tiny levers, and effective meshing reduces stress and slippage. A stationary parametric analysis will help you determine the quality of meshing throughout the gearing cycle. This method is often the most accurate way to determine whether your gears are meshing well.
gearbox

Manufacturing

The global gear market is divided into five key regions, namely, North America, Europe, Asia Pacific, and Latin America. Among these regions, Asia Pacific is expected to generate the largest GDP, owing to rapidly growing energy demand and investments in industrial infrastructure. This region is also home to some of the largest manufacturing bases, and its continuous building of new buildings and homes will support the industry’s growth. In terms of application, gearboxes are used in construction, agricultural machinery, and transportation.
The Industrial Gearbox market is anticipated to expand during the next several years, driven by the rapid growth of the construction industry and business advancements. However, there are several challenges that hamper the growth of the industry. These include the high cost of operations and maintenance of gear units. This report covers the market size of industrial gearboxes globally, as well as their manufacturing technologies. It also includes manufacturer data for the period of 2020-2024. The report also features a discussion of market drivers and restraints.
Global health crisis and decreasing seaborne commerce have moderately adverse effects on the industry. Falling seaborne commerce has created a barrier to investment. The value of international crude oil is expected to cross USD 0 by April 2020, putting an end to new assets development and exploitation. In such a scenario, the global gearbox market will face many challenges. However, the opportunities are huge. So, the market for industrial gearboxes is expected to grow by more than 6% by 2020, thanks to the increasing number of light vehicles sold in the country.
The main shaft of a gearbox, also known as the output shaft, spins at different speeds and transfers torque to an automobile. The output shaft is splined so that a coupler and gear can be connected to it. The counter shaft and primary shaft are supported by bearings, which reduce friction in the spinning element. Another important part of a gearbox is the gears, which vary in tooth count. The number of teeth determines how much torque a gear can transfer. In addition, the gears can glide in any position.

China Brand New Advance Marine Gearbox Hct400A     synchromesh gearbox	China Brand New Advance Marine Gearbox Hct400A     synchromesh gearbox
editor by czh 2022-11-28