China Professional Yj-SD Series Part-Turn Electric Type Valve Worm Gearbox supplier

Product Description

Product Description

YJ-SD series part-turn electric type worm gearbox suitable for Ball Valves, Butterfly Valves, Plug Valves,etc. 

 
YJ-SD series part-turn electric type worm gearbox has good mechanical quality and steady operating performance. It has high mechanical efficiency, material you can choose according to the open times and electric actuator output speed. The flange connecting to valve is according to ISO5211.
 

Product Parameters

 

Model YJ-1
-SD
YJ-2
-SD
YJ-2J
-SD
YJ-3
-SD
YJ-3J
-SD
YJ-4
-SD
YJ-4J
-SD
YJ-5
-SD
YJ-5J
-SD
YJ-6
-SD
YJ-6J
-SD
YJ-7
-SD
YJ-7X
-SD
YJ-7J
-SD
YJ-8
-SD
YJ-8J
-SD
YJ-9
-SD
YJ-9J
-SD
YJ-10
-SD
YJ-11
-SD
YJ-12
-SD
Max output torque N.m 1200 1600 3000 4500 7500 12000 16500 23000 28000 32000 48000 63000 80000 100000 140000 190000 250000 350000 450000 650000 850000
Flange F12 F14 F16 F16 F20 F25 F30 F30 F35 F35 F40 F40 F48 F48 F48 F60 F60 F60 F80 F100 F100
φD 150 175 210 210 250 300 350 350 415 415 475 475 560 560 560 686 686 686 900 1200 1200
PCD D0 125 140 165 165 205 254 298 298 356 356 406 406 483 483 483 603 603 603 813 1042 1042
N-H-DP 4-M12-18 4-M16-20 4-M20-30 4-M20-30 8-M16-24 8-M16-24 8-M20-30 8-M20-30 8-M30-45 8-M30-40 8-M36-54 8-M36-54 12-M36-54 12-M36-54 12-M36-54 20-M36-54 20-M36-54 20-M36-54 20-M42-54 32-M42-54 32-M42-54
Max stem diameter 42
12×8
50
14×9
60
18×11
60
18×11
75
22×14
90
25×14
110
28×16
110
28×16
120
32×18
120
32×18
145
40×22
160
40×22
170
45×25
180
45×25
180
45×25
210
50×28
220
50×28
270
63×32
300
70×36
380
80×40
420
90×45

 

Company Profile

 

FAQ

Q: What’s your main products?
A: Our main products are worm gearbox, bevel gearbox and spur gearbox for gate valve, globe valve, ball valve, butterfly valve and etc.

Q: How long is your delivery time?
A: Delivery time was depends on the quantity of the order and our inventory, normally is 10~15 days.

Q: Term of payment?
A: T/T 30% in advance, T/T balance before shipment.

Q: Can you provide free sample?
A: Yes, we can provide the sample for free, but the shipping costs need paid by yourself.

Q: Could you specially design and produce according to client’s requirements?
A: Yes, we can

If any other questions about our products, welcome to contact us.

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Application: Industry
Function: Change Drive Torque
Step: Double-Step
Type: Worm Gear Box
Protection Grade: IP65 (IP67, IP68 Optional)
Painting: Blue, Grey, Black (Customizable)
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

  • Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
  • High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
  • Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
  • Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
  • Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

  • Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
  • Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
  • Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
  • Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

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 Professional Yj-SD Series Part-Turn Electric Type Valve Worm Gearbox   supplier China Professional Yj-SD Series Part-Turn Electric Type Valve Worm Gearbox   supplier
editor by CX 2024-02-25

Gearbox-worm

As one of leading gearbox-worm manufacturers, suppliers and exporters of mechanical products, We offer gearbox-worm and many other products.

Please contact us for details.

Mail: [email protected]

Manufacturer supplier exporter of gearbox-worm.

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