Product Description
Single screw extruder gearbox on sale
1) Small volume
2) Big transmission torque
3) High efficiency
4) Low consumption
CHINAMFG gearbox series are transmission devices, which are specially designed for single-screw extruder with high precision, hard gear surface, accompany with thrust. Adopting the technical specifications stipulated in JB/T9050.1-1999, all CHINAMFG gearboxes are designed accordingly.
Main Features:
1. The material of gear is the high strength alloy steel, it is manufactured by carburizing, quenching (and other heat treatment), gringding process at last. The gear is in high precison ( 6 grade ) and high hardness ( reaches HRC54-62). Besides, it features low noise when operating.
2. It contains high bearing ability thrust, which is performed reliable and can withstand larger axial thrust.
3. All the items are treated by forced lubrication and cooling system except very few small specification products.
4. CHINAMFG series gearbox is adopted by six-side processing box. Its normal installation is horizontal, but can also be changed to vertical installation according to customer’s requirment.
5. Efficiency transmission, low noise, long operaton time.
Package
Why choose us?
A> long time experience and history
B> long time nitriding treatment and heating treatment by itself
C>advanced Fanuk series CNC computer-controlled milling machines
D>depth hole drilling machine in 18meters length, which ensure the straigtnss of barrel inside.
E> CAD drawing confirmation before start making
F> Prompt after sale service
G>Land owner and registration capital 25, 000, 000RMB
Company profile :
ZHangZhoug pinbo plastic machinery co.,ltd is located in HangZhou HangZhou city with brand of PYM(Former HangZhou yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in HangZhou city which is the basement of plastic machines.
We can supply all type of single and double screw gearbox according to your requirements, so if you have any interest, please contact us without hesitation. We will offer you best quality, best price, best service and best communication. Thanks!
main parameters :
| Type | Spec | Input Power(kw) | N( enter) | N(output) | Output Torque | Permitted axial thrust of output shaft(KN) | Screw Diameter | Length-diameter ratio |
| (N@m) | ||||||||
| ZLYJ | 112-8 | 5.5 | 800 | 100 | 525 | 35 | Ø35 | 25:01:00 |
| 133-8 | 8 | 800 | 100 | 764 | 39 | Ø50 | 25:01:00 | |
| 146-10 | 11 | 1000 | 100 | 1050 | 54 | Ø55 | 25:01:00 | |
| 173-10 | 18.5 | 900 | 90 | 1962 | 110 | Ø65 | 25:01:00 | |
| 200-12.5 | 30 | 1000 | 80 | 3581 | 155 | Ø75 | 25:01:00 | |
| 225-12.5 | 45 | 1000 | 80 | 5371 | 180 | Ø90 | 25:01:00 | |
| 250-16 | 55 | 1120 | 70 | 7503 | 192 | Ø105 | 25:01:00 | |
| 280-16 | 75 | 960 | 60 | 7643 | 258 | Ø110 | 25:01:00 | |
| 315-16 | 85 | 960 | 60 | 13528 | 287 | Ø120 | 25:01:00 | |
| 330-16 | 110 | 960 | 60 | 17507 | 360 | Ø135 | 25:01:00 | |
| 375-16 | 132 | 960 | 60 | 21008 | 390 | Ø150 | 25:01:00 | |
| 395-16 | 185 | 960 | 60 | 29442 | 400 | Ø160 | 25:01:00 | |
| 420-16 | 160 | 960 | 60 | 31831 | 430 | Ø160 | 25:01:00 | |
| 420-16 | 220 | 960 | 60 | 31831 | 430 | Ø170 | 25:01:00 | |
| 450-20 | 213 | 1000 | 60 | 40640 | 500 | Ø160/Ø170 | 25:01:00 | |
| 560-17 | 540 | 1000 | 50 | 84034 | 700 | Ø200 | 25:01:00 | |
| 630-10 | 540 | 1000 | 50 | 15712 | 770 | Ø250 | 25:01:00 |
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| Application: | Machinery |
|---|---|
| Function: | Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Four-Step |
| 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.
History of Cycloidal Gear System Development
The history of cycloidal gear systems dates back to ancient times, with various forms of non-circular gears being used for specialized applications. The concept of the cycloidal gear system as we know it today, however, has evolved over centuries of engineering and innovation:
- Ancient Roots: The concept of using non-circular gears can be traced back to ancient civilizations, where devices like the “Antikythera Mechanism” (c. 150-100 BC) employed non-circular gear arrangements.
- Cam Mechanisms: During the Renaissance, engineers and inventors like Leonardo da Vinci explored mechanisms involving cams and followers, which are precursors to modern cycloidal gears.
- Cycloidal Motion Studies: In the 19th century, engineers and mathematicians like Franz Reuleaux and Robert Willis studied and developed mechanisms based on the principles of cycloidal motion.
- Early Cycloidal Gearboxes: The development of cycloidal gear systems gained momentum in the late 19th and early 20th centuries, with inventors like Emile Alluard and Louis André creating early forms of cycloidal gear mechanisms and gearboxes.
- Cycloidal Drive: The term “cycloidal drive” was coined by James Watt in the 18th century, referring to mechanisms that produce a motion resembling a rolling circle.
- Modern Cycloidal Gearboxes: The development of modern cycloidal gearboxes was further advanced by engineers like Ralph B. Heath, who patented the “Harmonic Drive” in the 1950s. This invention marked a significant step in the advancement and commercialization of precision cycloidal gear systems.
- Advancements and Applications: Over the decades, cycloidal gear systems have found applications in robotics, aerospace, automation, and other fields that require compactness, precision, and high torque capabilities.
The history of cycloidal gear system development reflects the contributions of many engineers and inventors who have refined and advanced the technology over time. Today, cycloidal gearboxes continue to play a crucial role in various industries and applications.
Advantages of Using a Cycloidal Gearbox
Cycloidal gearboxes offer several advantages that make them well-suited for various applications:
- High Torque Density: Cycloidal gearboxes provide a high torque output relative to their size and weight. This makes them ideal for applications where space is limited, and high torque is required.
- Compact Design: The unique arrangement of cycloidal pins and lobed profiles results in a compact gearbox design. This is advantageous when dealing with constrained installation spaces.
- Smooth and Precise Motion: Cycloidal motion generates smooth and controlled movement, making these gearboxes suitable for applications requiring accurate positioning, such as robotics and automation.
- High Shock Load Capacity: The multiple points of contact between the cycloidal pins and the lobes distribute the load, allowing cycloidal gearboxes to handle sudden shocks and overloads effectively.
- Backlash Elimination: Cycloidal gearboxes exhibit minimal backlash due to the nature of their motion. This is beneficial in applications where precise motion reversal is crucial.
- High Efficiency: The rolling contact between the pins and lobes contributes to efficient power transmission, resulting in relatively high efficiency levels.
- Reduced Wear and Noise: The rolling motion in cycloidal gearboxes leads to reduced wear on components, resulting in lower maintenance requirements and quieter operation.
- Versatility: Cycloidal gearboxes can handle a wide range of ratios and speeds, making them suitable for various industrial and automation applications.
Due to these advantages, cycloidal gearboxes are commonly used in robotics, automation, packaging machinery, conveyors, and other applications where compactness, high torque, and precise motion are critical.
editor by CX 2024-04-16