China supplier Jk CZPT Right Angle Worm Bevel Gearbox Transmission Dana44 Hypoid Helical Bevel Gear for Sale cycle gear

Product Description

Product Description

Car Fitment Jeep Wrangler
OE No. D44513JK
Speed Ratio 8*41
Type Differential Gear
Material 20CrMnTi/ 8620
Hardness HRC58-62
Treatment Carburizing,Hardening,
tempering,high frequency treatment,black coating,zincing,nickelage

We can make all kinds of CHINAMFG Wheel Pinion as per your drawing or sample by our DHL account.

D3571 11/41 CJ5/7/8 CHINAMFG 30 FRONT STD.3.73 72-86
D3571TJ 11/41 TJ (97-06) FRONT CHINAMFG 30 3.73 (SHORT STYLE)
D3571 10/41 CJ5/7 CHINAMFG 30 FRONT STD.4.10
D3571R 10/41 YJ(87-95) FRONT CHINAMFG 30 REVERSE 3.73 XJ(84-91)
D3571TJ 10/41 TJ (97-06) FRONT CHINAMFG 30 4.10 (SHORT STYLE)
D3 0571 9/41 CJ5/7/8 CHINAMFG 30 FRONT STD.4.56 72/86
D3 0571 R 9/41 YJ(87/95) FRONT CHINAMFG 30 REVERSE 4.56 XJ(84-91)
D3 0571 TJ 9/41 TJ(97-06( FONT CHINAMFG 304.56 (SHORT STYLE) XJ(92-01)
D30488 8/39 CJ5/7 CHINAMFG 30 FRONT STD.4.88 72-86
D30488R 8/39 YJ(87-95) FRONT CHINAMFG DANA 30 REVERSE 4.88 XJ(84-91)
D3571JK 8/41 YJ(07-21) FRONT DANA30 5.13 
D35712(47715) 18/49  
D35373 11/41 YJ/TJ CHINAMFG 35 REAR 3.73
D35411 10/41 YJ87-95 /TJ97-06/XJ93-07 CHINAMFG 35 REAR 4.10
D35456 9/41 YJ/TJ CHINAMFG 35 REAR 4.56
D35488 8/39 YJ/TJ CHINAMFG 35 REAR 4.88
D44373 11/41 TJ REAR CHINAMFG 44 3.73
D44409 11/45 TJ REAR CHINAMFG 44 4.10 22745
D44456R 9/41 DANA 44 4.56 REVERSE
D44455 11/50 TJ REAR CHINAMFG 44 4.56 22105
D44455X 11/50  
D44488R 8/39 DANA 44 4.88 REVERSE
D44489 9/44 TJ REAR CHINAMFG 44 4.88 23053
D44489X 9/44  
D44513R 8/41 DANA 44 5.13 REVERSE
D44513 8/41 TJ REAR CHINAMFG 44 5.13
D5 0571 Sep-41  
D50488 Aug-39  
D5571 Aug-41  
D44-4-373 Nov-41 85719
D44-4-342 Dec-41 80364
D44-4-353 46/13 75945
D44-4-307 43/14  
D44-4-346 Nov-38 84707
D44463 37*8 74960
D44410 41*10 80320
D44373 41*11 22736X
D44456 41*9 85713
D44323 42*13 28744
D44331 43*13 23592X
D44307 43*14 22106X
D44354 46*13 22856X
D44427 47*11 23064 JEEP WILLYS 11*47 8125051 ANO 1985(CJ6)
D44427X 47*11 CHRYSLER
D44538 43*8  
D44-3-342 41*12 660150
D6571 37*9 74905 CHINAMFG 3F,D60-411,9X37
D6571 41*10 24807(FORD250)
D6571 41*11 25538
D6 0571 46*13 24813
D6 0571 41*9 FORD F250
D6 0571 X 41*9  
D6571 41*8  
D6571R 41*8  
D60586 41*7  
D6571 43*8 Isuzu NHR,D60-586 7*41
D6571R 43*8  
D60488 39*8  
D60488R 39*8  
D70488 39*8 72148
D7571 41*10 72153
D7571 41*11 72159
D7571 41*8 72150 C30/P30 F350 41*8 5.3
D7 0571 41*9 72152 CHINAMFG F350 75-80
D7 0571 X 46*13 72168
D70-1-410 41*10 72154 CHINAMFG F350 BAJA 75/80 41*10 4.10
D70586 41*7 72156 D300/P300 41*7 5.86
D75-410 41*10 BA457171-X CHINAMFG Cargo
D75-462 37*8 BA457104-X
D8571 41*8 73168
D8571 41*10 73200
D8571X 41*40  
D80430 43*10 76128
D80488 39*8 76138
D80463 37*8 73167
D8571 41*11 76256
D8 0571 46*13 73353

Company Profile


HangZhou CHINAMFG Machinery is a professional manufacture of spiral bevel gear. The company has CNC milling machine, the GLEASON milling machine, rolling inspection machine, gear measuring center, a full set of metallographic analysis, inspection equipment and other related advanced equipment.
Our company owns gear measuring center equipped with advanced testing machines such as contourgraph, universal measuring microscope and full set netlaaographic analysis detector. According to various technical requirements and through procedures of sampling, special inspection and re-examination, multi-indexes of gears like observation, measurement and tracking can be completed.
With our high quality products, high credibility and trusty cooperation, aiming to be a highly specialized gear manufacturer of high level and all-directional service,we are looking CHINAMFG to your  business negotiation and our promising cooperation.



Q1: Are your products standard?
A: Our model is standard, if you have specific demand, pls tell us the details. 
Q2: What is you main categories?
A: Commercial Vehicles Like Isuzu,Nissan, Hino, CHINAMFG ,Toyota , Mazda ,Suzuki, Agricultural Machinery and Electric Storage.
Q3: If we don’t find what we want on your website, what should we do? 
A: You can email us the descriptions and pictures of the products you need, we will check whether we have them. 
B: We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing. 
Q4: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q5:Do you test all your goods before delivery?
Yes, we have 100% test before delivery.


Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cut Gear
Toothed Portion Shape: Curved Gear
Material: Cast Steel


Customized Request

worm gear

How does a worm gear impact the overall efficiency of a system?

A worm gear has a significant impact on the overall efficiency of a system due to its unique design and mechanical characteristics. Here’s a detailed explanation of how a worm gear affects system efficiency:

A worm gear consists of a worm (a screw-like gear) and a worm wheel (a cylindrical gear with teeth). When the worm rotates, it engages with the teeth of the worm wheel, causing the wheel to rotate. The main factors influencing the efficiency of a worm gear system are:

  • Gear Reduction Ratio: Worm gears are known for their high gear reduction ratios, which are the ratio of the number of teeth on the worm wheel to the number of threads on the worm. This high reduction ratio allows for significant speed reduction and torque multiplication. However, the larger the reduction ratio, the more frictional losses occur, resulting in lower efficiency.
  • Mechanical Efficiency: The mechanical efficiency of a worm gear system refers to the ratio of the output power to the input power, accounting for losses due to friction and inefficiencies in power transmission. Worm gears typically have lower mechanical efficiency compared to other gear types, primarily due to the sliding action between the worm and the worm wheel teeth. This sliding contact generates higher frictional losses, resulting in reduced efficiency.
  • Self-Locking: One advantageous characteristic of worm gears is their self-locking property. Due to the angle of the worm thread, the worm gear system can prevent the reverse rotation of the output shaft without the need for additional braking mechanisms. While self-locking is beneficial for maintaining position and preventing backdriving, it also increases the frictional losses and reduces the efficiency when the gear system needs to be driven in the opposite direction.
  • Lubrication: Proper lubrication is crucial for minimizing friction and maintaining efficient operation of a worm gear system. Inadequate or improper lubrication can lead to increased friction and wear, resulting in lower efficiency. Regular lubrication maintenance, including monitoring viscosity, cleanliness, and lubricant condition, is essential for optimizing efficiency and reducing power losses.
  • Design and Manufacturing Quality: The design and manufacturing quality of the worm gear components play a significant role in determining the system’s efficiency. Precise machining, accurate tooth profiles, proper gear meshing, and appropriate surface finishes contribute to reducing friction and enhancing efficiency. High-quality materials with suitable hardness and smoothness also impact the overall efficiency of the system.
  • Operating Conditions: The operating conditions, such as the load applied, rotational speed, and temperature, can affect the efficiency of a worm gear system. Higher loads, faster speeds, and extreme temperatures can increase frictional losses and reduce overall efficiency. Proper selection of the worm gear system based on the expected operating conditions is critical for optimizing efficiency.

It’s important to note that while worm gears may have lower mechanical efficiency compared to some other gear types, they offer unique advantages such as high gear reduction ratios, compact design, and self-locking capabilities. The suitability of a worm gear system depends on the specific application requirements and the trade-offs between efficiency, torque transmission, and other factors.

When designing or selecting a worm gear system, it is essential to consider the desired balance between efficiency, torque requirements, positional stability, and other performance factors to ensure optimal overall system efficiency.

worm gear

How do you address noise and vibration issues in a worm gear system?

Noise and vibration issues can arise in a worm gear system due to various factors such as misalignment, improper lubrication, gear wear, or resonance. Addressing these issues is important to ensure smooth and quiet operation of the system. Here’s a detailed explanation of how to address noise and vibration issues in a worm gear system:

1. Misalignment correction: Misalignment between the worm and the worm wheel can cause noise and vibration. Ensuring proper alignment of the gears by adjusting their positions and alignment tolerances can help reduce these issues. Precise alignment minimizes tooth contact errors and improves the meshing efficiency, resulting in reduced noise and vibration levels.

2. Lubrication optimization: Inadequate or improper lubrication can lead to increased friction and wear, resulting in noise and vibration. Using the correct lubricant with the appropriate viscosity and additives, and ensuring proper lubrication intervals, can help reduce friction and dampen vibrations. Regular lubricant analysis and replenishment can also prevent excessive wear and maintain optimal performance.

3. Gear inspection and replacement: Wear and damage to the gear teeth can contribute to noise and vibration problems. Regular inspection of the worm gear system allows for early detection of any worn or damaged teeth. Timely replacement of worn gears or damaged components helps maintain the integrity of the gear mesh and reduces noise and vibration levels.

4. Noise reduction measures: Various noise reduction measures can be implemented to minimize noise in a worm gear system. These include using noise-dampening materials or coatings, adding sound insulation or vibration-absorbing pads to the housing, and incorporating noise-reducing features in the gear design, such as profile modifications or helical teeth. These measures help attenuate noise and vibration transmission and improve overall system performance.

5. Resonance mitigation: Resonance, which occurs when the natural frequency of the system matches the excitation frequency, can amplify noise and vibration. To mitigate resonance, design modifications such as changing gear stiffness, altering the system’s natural frequencies, or adding damping elements can be considered. Analytical tools like finite element analysis (FEA) can help identify resonant frequencies and guide the design changes to reduce vibration and noise.

6. Isolation and damping: Isolation and damping techniques can be employed to minimize noise and vibration transmission to the surrounding structures. This can involve using resilient mounts or isolators to separate the gear system from the rest of the equipment or incorporating damping materials or devices within the gear housing to absorb vibrations and reduce noise propagation.

7. Tightening and securing: Loose or improperly tightened components can generate noise and vibration. Ensuring that all fasteners, bearings, and other components are properly tightened and secured eliminates sources of vibration and reduces noise. Regular inspections and maintenance should include checking for loose or worn-out parts and addressing them promptly.

Addressing noise and vibration issues in a worm gear system often requires a systematic approach that considers multiple factors. The specific measures employed may vary depending on the nature of the problem, the operating conditions, and the desired performance objectives. Collaborating with experts in gear design, vibration analysis, or noise control can be beneficial in identifying and implementing effective solutions.

worm gear

What are the applications of a worm gear?

A worm gear is a type of gear mechanism that consists of a threaded worm and a mating gear, known as the worm wheel or worm gear. It is widely used in various applications where a high gear ratio and compact size are required. Here are some specific applications of worm gears:

  1. Elevators and Lifts: Worm gears are extensively used in elevator and lift systems. They provide the necessary gear reduction to lift heavy loads while maintaining smooth and controlled vertical movement.
  2. Steering Systems: Worm gears are commonly found in automotive steering systems. They convert the rotational motion of the steering wheel into the linear motion required to turn the vehicle’s wheels.
  3. Conveyors: Worm gears are employed in conveyor systems, particularly for applications that require moving materials at an inclined angle. They offer the necessary torque and control for efficient material handling.
  4. Machine Tools: Worm gears are used in machine tools such as milling machines, lathes, and grinders. They enable precise control over the machine’s speed and feed rate, resulting in accurate machining operations.
  5. Packaging Equipment: Worm gears are utilized in packaging machinery to drive various components such as conveyor belts, rotary tables, and filling mechanisms. They ensure synchronized and efficient packaging processes.
  6. Rotary Actuators: Worm gears find applications in rotary actuators, which are used in robotics, industrial automation, and valve control. They provide precise positioning and torque output for rotational movements.
  7. Textile Machinery: Worm gears are employed in textile machinery for applications like yarn winding, loom mechanisms, and fabric tensioning. They ensure smooth and controlled movement of threads and fabrics.
  8. Raising and Lowering Mechanisms: Worm gears are used in raising and lowering mechanisms, such as those found in stage platforms, scissor lifts, and adjustable workbenches. They enable controlled vertical movement with high load capacity.

These are just a few examples of the applications of worm gears. Their unique characteristics, including high gear reduction ratios, compact size, and self-locking capabilities, make them suitable for a wide range of industries and mechanical systems.

China supplier Jk CZPT Right Angle Worm Bevel Gearbox Transmission Dana44 Hypoid Helical Bevel Gear for Sale cycle gearChina supplier Jk CZPT Right Angle Worm Bevel Gearbox Transmission Dana44 Hypoid Helical Bevel Gear for Sale cycle gear
editor by CX 2023-09-13