Product Description

Product Description

 
Enhanced Shaft-Mounted Gearbox Specifications
1. Versatile Output Hub Configuration

  • Offers both standard and customized hubs with metric bores, accommodating a wide range of international standard shaft diameters for diverse industrial applications.

2. Superior Precision Gearing

  • Utilizes computer-designed helical gears crafted from strong alloy steels, ensuring outstanding load capacity. Gears are case carburized for extended lifespan, with ground profile teeth featuring a CHINAMFG tooth profile for optimal engagement. Manufactured to ISO 1328-1997 standards, achieving 98% efficiency per stage for unparalleled smooth and quiet operation with multiple teeth in mesh.

3. Robust Maximum Capacity Housing

  • Constructed from close grain cast iron, this gearbox housing boasts exceptional vibration dampening and shock resistance. Precision bored and dwelled components guarantee precise in-line assembly, making it ideal for heavy-duty operations.

4. Durable Alloy Steel Shafts

  • Crafted from hardened, strong alloy steel and ground on journals, gear seatings, and extensions to withstand the highest loads and torsional stresses. Features generously sized shaft keys to absorb shock loading, adhering to ISO quality standards for maximum reliability.

5. Innovative Case Support Feet

  • Integrated additional case feet eliminate the need for critical torque arm bolt tightening, maintaining the standard torque arm mounting position within recommended limits for enhanced operational stability.

6. Reliable Backstops

  • Available as optional parts, our anti-run back devices are compatible with all 13:1 and 20:1 ratio units, ensuring safety and reliability in reversing operations. Not recommended for 5:1 ratio units to maintain system integrity.

7. High-Quality Bearings and Seals

  • Features bearings that are proportioned to support heavy loads, conforming to the ISO dimension plan for global availability. Oil seals are equipped with double-lipped garter springs, providing superior oil retention and protection against contaminants.

8. Enhanced Rubberized End Caps

  • Self-sealing intermediate cover plates conform to standard ISO housing dimensions, offering additional protection and maintenance ease for demanding environments.

9. Adjustable Torque Arm Assembly

  • Designed for effortless adjustment of the belt tension, simplifying installation and maintenance while enhancing system performance and longevity in heavy-duty applications.

Conclusion
This enhanced shaft-mounted gearbox is engineered to meet the rigorous demands of heavy-duty industrial applications, offering unmatched durability, efficiency, and versatility. With its superior design and components, it ensures reliable performance under the most challenging conditions, providing a robust solution for your power transmission needs.
 

SIZE : SMR B C D E F G H 

RATIO : 5:1  13:1  20:1 

 

Model B13/B20 C13/C20 D13/D20 E13/C20 F13/E20 G13/F20 H13/G20 J13/J20
Output(RPM) 10-115 10-110 10-110 10-105 10-105 10-100 10-100 10-100
Power Rating(KW) 0.29-3.11 0.49-4.62 0.82-7.81 1.25-11.55 1.97-17.01 3.11-27.09 4.9-40.7 7.8-60.5
Permissible torque(Nm) 277 468 783 1194 1881 2970 4680 7449

 

Model B5 C5 D5 E5 F5 G5 H5 J5
Output(RPM) 100-400 100-400 100-400 100-400 100-400 100-400 100-400 100-400
Power Rating(KW) 2.68-7.14 4.2-9.66 6.62-15.65 10.29-24.57 15.12-35.91 25.2-59.9 36.2-81.9 62.2-134.2
Permissible torque(Nm) 256 401 632 983 1444 2407 3457 5940

 

 

Dimension(mm) SMR Size
SMR-B SMR-C SMR-D SMR-E SMR-F SMR-G SMR-H SMR-J
Standard size of shaft 30 40 50 55 65 75 85 100
Alternative size of shaft 40 50 55 65 75 85 100 120
Input shaft keyway 6×3.5×50 6×3.5×59 8x4x63 8x4x70 10x5x70 12x5x90 14×5.5×100 16x6x100

 

 

 

Company Profile

 

l  The largest manufacturer and exporter of worm gear reducers in Asia.

 

l  Established in 1976, we transformed from a county owned factory to private 1 in 1996. HangZhou SINO-DEUTSCH POWER TRANSMISSION EQUIPMENT CO.,LTD is our new name since 2001.

 

l  We are the first manufacturer of reducers and gearboxes in China who was given export license since year 1993.

 

l  “Fixedstar” brand gearboxes and reducers are the first owner of CHINA TOP BRAND and Most Famous Trade Mark for reducers.

First to achieve ISO9001 and CE Certificate among all manufacturers of gearboxes in China.
 

   
As a professional manufacturer of worm gearbox and worm gear reducers in China, we mainly produce reduction gearbox,aluminum case worm gearboxes,arc gear cylindrical worm gearboxes, worm gear reducers, in line helical gearboxes, and cyclo drive reducers, etc. These products feature rational structure, stable performance, and reliable quality, and so on. They are widely used in power, mining, metallurgy, building material, chemical, food, printing, ceramic, paper-making, tobacco, and other industries.

 

We have 600 workers in our factory, which covers 70,000 square CHINAMFG in HangZhou. We have been making 2,500 units of reducers everyday since 2012. We are proudly exporting 70% of our products to more than 40 countries all over the word. Our customers come from Italy, Germany, USA, Canada, Spain, UK, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries in the world. 30% of them are OEM made for direct manufacturers of other products. 

 

We warmly welcome customers from other parts of the world to visit us. Seeing is believing. We are very confident that after visiting our facility, you will have confidence on our products. We have the latest automatic equipments and experienced workers to ensure the stable quality and large output. We have the most sophisticated technical and engineering team to support most demanding requirement on standard and OEM products.

 

Looking CHINAMFG to meeting you in HangZhou, China.

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Application: Motorcycle, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction
Layout: Parallel
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Customization:
Available

|

Customized Request

worm gearbox

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Custom Shaft Mounting Reducer Speed Reducer Rods Gearbox in China   gearbox drive shaft	China Custom Shaft Mounting Reducer Speed Reducer Rods Gearbox in China   gearbox drive shaft
editor by CX 2024-05-07