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Product Description

Product Description

YJ-SS series Part-turn worm gearboxes suitable for Ball Valves, Butterfly Valves, Plug Valves,etc. Handwheel can choose according to your requirements.

 
YJ-SS series part-turn worm gearbox adopts the structure of worm gear and spur gear reducer, with high output torque and low noise and stable operation. The 2 speed ratios can be switched at will. When opening and closing the valve, you can use a high speed ratio to output high torque to open and close the valve. When the valve pressure is relieved, you can use a low speed ratio to quickly run the valve. The number of open and close turns can be adjusted in combination with different valves requirements.
 

Product Parameters

 

Model YJ-3J
-SS
YJ-4
-SS
YJ-4J
-SS
YJ-5
-SS
YJ-5J
-SS
YJ-6
-SS
YJ-6J
-SS
YJ-7
-SS
YJ-7X
-SS
YJ-7J
-SS
YJ-8
-SS
YJ-8J
-SS
YJ-9
-SS
YJ-9J
-SS
YJ-10
-SS
YJ-11
-SS
YJ-12
-SS
Ratio 53:1 55:1 57:1 228:1 301:1 306:1 433:1 568:1 722:1 940:1 1316:1 1252:1 1646:1 2210:1 2840:1 3080:1 4571:1
Ratio 265:1 378:1 625:1 958:1 1266:1 1285:1 1820:1 2386:1 3030:1 3950:1 5530:1 7510:1 9880:1 13260:1 17045:1 24620:1 32200:1
Max output torque N.m 7500 10000 16500 23000 28000 32000 48000 63000 80000 100000 140000 190000 250000 350000 450000 650000 850000
Flange F20 F25 F30 F30 F35 F35 F40 F40 F48 F48 F48 F60 F60 F60 F80 F100 F100
φD 250 300 350 350 415 415 475 475 560 560 560 686 686 686 900 1200 1200
PCD D0 205 254 298 298 356 356 406 406 483 483 483 603 603 603 813 1042 1042
N-H-DP 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 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.

Application: Industry Valves
Function: Change Drive Torque
Type: Worm Gear Box
Material: Carbon Steel
Output Torque: 7500nm to 850000nm
Protection Grade: IP65 (IP67, IP68 Optional)
Customization:
Available

|

Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

What Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China Standard Yj-Ss Series Manual Type Part-Turn Valve Worm Gearbox   synchromesh gearbox	China Standard Yj-Ss Series Manual Type Part-Turn Valve Worm Gearbox   synchromesh gearbox
editor by CX 2023-09-14

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