China OEM High Ratio Low Speed Double Stage Nmrv Worm Gearbox with Brush DC Motor components of gearbox

Product Description

double stage NMRV worm gearbox with brush DC motor for lifting
 

Introduction

1.     Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting
2.     Smooth in running and low in noise, can work a long time in dreadful conditions
3.     High in radiating efficiency
4.     Good-looking in appearance, durable in service life, and small in volume
5.     Suitable for Omni-bearing installation
6.    Inch size and metric size are both available

Main Materials

1.     Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 )

2.     Worm shaft: 20CrMnTi, carbonize heat treatment makes the hardness of the gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding

3.     Worm wheel: wearable tin bronze alloy

Detailed Pictures

Motor Specification
 

Power 20W ~ 1500W
Voltage 12V, 24V, 36V, 48V, 60V, 110V, 220V
Frame Size 55mm, 70mm, 90mm, 110mm, 130mm
Speed 1000rpm, 1500rpm, 2500rpm, 3000rpm,
3600rpm, 6000rpm, 7500rpm, 8000rpm,
Accessories Brake, encoder, controller
Ambient Temperature -25 ~ +40 °C
Altitude ≤4000M

 
NMRV-NMRV gearbox

 

FAQ

1 Q: What’s your MOQ for the gearbox?
A: 1unit is ok for sample testing

2 Q: What about your warranty for the gearbox?
A: One year.

3 Q: Do you provide OEM service with a customized logo?
A: Yes, we could do OEM orders, but we mainly focus on our brand.

4 Q: How about your payment terms?
A: TT, Western Union, and PayPal. 100% payment in advance for orders less than $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing?
A: Carton, Plywood case. If you need more, we can pack all the goods in a pallet.

6 Q: What information should be given, if I buy from you?
A: Rated power, gearbox ratio, input speed, mounting position. More details, better!

7 Q: How do you deliver the gearbox?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Machinery, Agricultural Machinery, Light Duty Machine
Function: Change Drive Torque, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: 2 Stage or 3 Stage
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

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

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

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China OEM High Ratio Low Speed Double Stage Nmrv Worm Gearbox with Brush DC Motor   components of gearbox	China OEM High Ratio Low Speed Double Stage Nmrv Worm Gearbox with Brush DC Motor   components of gearbox
editor by CX 2024-02-28

Recent Posts