China high quality Yj-S Series Manual Type Part-Turn Valve Worm Gearbox car gearbox

Product Description

Product Description

YJ-S series Part-turn worm gearboxes suitable for Ball Valves, Butterfly Valves, Plug Valves,Rotary ball valves etc. The handwheel can choose according to your requirements.

 
YJ-S series part-turn worm gearbox made by precise casting, made by precise casting, new design, nice appearance, it transmitted by worm gear and worm. The worm  gear with self-locking. With tapered roller bearing, so the gearbox has good mechanical quality and steady operating performance. It has high mechanical efficiency, and easy to operate. The flange connecting to valve is adopts to ISO5211.
 

Product Parameters

  

Model YJ-1-S YJ-2-S YJ-2J-S YJ-3
-S
YJ-3J-S YJ-4
-S
YJ-4J-S YJ-5
-S
YJ-5J-S YJ-6
-S
YJ-6J
-S
YJ-7
-S
YJ-7X
-S
YJ-7J
-S
YJ-8
-S
YJ-8J
-S
YJ-9
-S
YJ-9J
-S
YJ-10
-S
YJ-11
-S
YJ-12
-S
Ratio 78:1 78:1 127:1 200:1 375:1 495:1 798:1 868:1 938:1 1100:1 2067:1 2260:1 3030::1 3960:1 5535:1 5900:1 7760:1 8526:1 9660:1 14130:1 19320:1
Max output torque  N.m 1300 1600 3000 4500 7500 12000 16500 23000 28000 32000 48000 63000 80000 100000 140000 190000 250000 350000 400000 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-M42-65
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
200
50×28
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 Valves
Function: Change Drive Torque
Step: Double-Step
Type: Worm Gear Box
Protection Grade: IP65 (IP67, IP68 Optional)
Operation: Manual
Customization:
Available

|

Customized Request

worm gearbox

Can a Worm Gearbox Be Used in Heavy-Duty Machinery?

Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:

  • High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
  • Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
  • Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
  • Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
  • Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.

However, when considering the use of a worm gearbox in heavy-duty applications, it’s important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.

Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

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 high quality Yj-S Series Manual Type Part-Turn Valve Worm Gearbox   car gearbox	China high quality Yj-S Series Manual Type Part-Turn Valve Worm Gearbox   car gearbox
editor by CX 2024-03-05