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China Custom Declutch Worm Gear Box Actuator Accessory Operator Steering Gear Box gearbox definition

Product Description

Product Description

 Main components and materials
No. Name Material Scienc No. Name Material Scienc  
1 Fasteners 304
Stainless steel (304)
10 Oil free bushing Copper al loy
2 Upper cover Aluminum al loy 11 Eccentric sleeve Alloy steel
3 Shim 304
Stainless steel (304)
12 Plain bearing Bearing steel
4 Dowel 304
Stainless steel (304)
13 Transmission rod Alloy steel
5 Gasket Nitrile rub ber 14 Worm Alloy stee
6 Sealing ring Nitrile rub ber 15 Turbine Nodular cast iron
7 Bearing Bearing steel 16 Handle Stainless steel (304)
8 Circlip 65 manganese 17 Box Aluminum al loy
9 Transmission main shaft Alloy steel 18 Breastplate Stainless steel (304)

 Main application manual clutch

Our company’s products are used in petroleum, chemical, pharmaceutical, water treatment, powerplants, nuclear power, and other places, for supporting 90 ° open ball valves, butterfly valves, plugvalves, and other valves. Our company’s supplied valve turbine boxes can also be customized accordingto customer requirements for product speed ratio, usage temperature, protection level, and anti.corrosion level. The company is based in China and faces the international market. its customers mainlycome from CHINAMFG valve companies abroad, as well as Middle Eastern countries such as RussiaBrazil,and the United States.

Main uses of products
This manual mechanism is used in combination with pneumatic actuator assembly for manual or pneumatic drive ofbutterfly valves,ball valves,etc.that open at 90° .

1.Small  size,light  weight,reasonable  design,and  novel  style
2.Product serialization,output torque matching with various valves in pneumatic devices.
3.There are 2 keyways separated by 90°in the inner hole of the turbine connection,so that users can choose the relative position of the device and the valve according to their needs.
4.Lift the limit pull ring and rotate the eccentric device 90°limit pin to automatically limit the position,achieving   pneumatic  operation,otherwise  achieving   manual  operation.
5.When the  product  leaves  the  factory,it  is  equipped  with special  lubricating  grease.After assembly with  the  valve,the  overall  sealing,dustproof,and  waterproof  protection  levels  are  IP65,IP67, and IP68,which are optional.

 Technical Parameter


Configuration of actuator

1S571Standard flange

Handwhee l



Connecting dimensions of valves Connecting dimensions of
AT(DA) AT Double
AT(SR) AT Spring
Center distance Alxe hole Center distance Alxe hole
SD-1 DA52-92 SR52-63 F05/F07 14×14 F05/F07 14×14 180 38:1 180
SD-2 DA92-105 SR83-105 F07/F10 17×17 F07/F10 17×17 200 37:1 320
SD-3 DA125-160 SR105-125 F07/F10/F12 22×22 F10/F12 22×22 280 35;1 680
SD-4 DA190-210 SR140-160 F10/F12 orF14 27×27 F10/F12 or F14 27×27 320 50:1 1200
SD-5 DA240 SR190-210 F14 or F16 36×36 F14 or F16 36×36 400 54:1 2100
SD-6 DA270-300 SR240-270 F16 46×46 F16 46×46 500 58:1 3000
SD-7 DA270-300 SR240-270 F16/φ200 46×46 F16/φ200 46×46 600 66:1 3800

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Power: Pneumatic
Structure: Control
Customized Support: OEM
Temperature of Media: Normal Temperature
Brand Name: Kgsy
Media: Water
US$ 99/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

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 Declutch Worm Gear Box Actuator Accessory Operator Steering Gear Box   gearbox definition		China Custom Declutch Worm Gear Box Actuator Accessory Operator Steering Gear Box   gearbox definition
editor by CX 2024-04-08