China OEM Nmrv030 040 050 063 075 090 110 130 Worm Gearbox with high quality

Product Description

 

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

 
Old Model     
  New Model    Ratio    Center Distance PowerInput Dia. Output Dia.   Output TorqueWeight
RV571   7.5~100  25mm  0.06KW~0.12KW Φ9Φ1121N.m 0.7kgs
RV030RW0307.5~10030mm  0.06KW~0.25KWΦ9(Φ11)Φ1445N.m 1.2kgs
RV040RW0407.5~10040mm  0.09KW~0.55KWΦ9(Φ11,Φ14)Φ18(Φ19)84N.m 2.3kgs
RV050RW0507.5~10050mm  0.12KW~1.5KWΦ11(Φ14,Φ19)Φ25(Φ24)160N.m 3.5kgs
RV063RW0637.5~10063mm  0.18KW~2.2KWΦ14(Φ19,Φ24)Φ25(Φ28)230N.m 6.2kgs
RV075RW0757.5~10075mm  0.25KW~4.0KWΦ14(Φ19,Φ24,Φ28) Φ28(Φ35)410N.m 9.0kgs
RV090RW0907.5~10090mm  0.37KW~4.0KWΦ19(Φ24,Φ28)Φ35(Φ38)725N.m 13.0kgs
RV110RW1107.5~100110mm  0.55KW~7.5KWΦ19(Φ24,Φ28,Φ38)  Φ421050N.m 35.0kgs
RV130RW1307.5~100130mm  0.75KW~7.5KWΦ24(Φ28,Φ38)Φ451550N.m 48.0kgs
RV150RW1507.5~100150mm    2.2KW~15KWΦ28(Φ38,Φ42)Φ50 84.0kgs

GMRV Outline Dimension:

GMRVABCC1D(H8)E(h8)FGG1HH1IMNOPQRSTBLβbtV  
03080975444145532566365295540573075446.5215.5M6*10(n=4)516.327
040100121.5706018(19)604371787536.5705071.54087556.5266.5M6*10(n=4)45°620.8(21.8)35
050120144807025(24)704985928543.580608450100648.5307M8*12(n=4)45°828.3(27.3)40
0631441741008525(28)80671031129553957210263110808.5368M8*12(n=8)45°828.3(31.3)50
0751722051209028(35)957211212011557112.5861197514093114010M8*14(n=8)45°8(10)31.3(38.3)60
09020623814010035(38)1107413014013067129.510313590160102134511M10*16(n=8)45°1038.3(41.3)70
1102552951701154213014415516574160127.5167.5110200125145014M10*18(n=8)45°1245.385
1302933352001204518015517021581179146.5187.5130250140166015M12*20(n=8)45°1448.8100
15034040024014550180185200215962101702301502501801872.518M12*22(n=8)45°1453.8 120  

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is  full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well  both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

 Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia 

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
   A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application:Motor, Machinery, Marine, Agricultural Machinery, Industry
Function:Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:Right Angle
Hardness:Hardened Tooth Surface
Installation:Horizontal Type
Step:Double-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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 Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

  • Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
  • Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
  • Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
  • Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
  • Mounting Options: Determine the mounting orientation and configuration that best suits your application.
  • Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
  • Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
  • Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
  • Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
  • Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China OEM Nmrv030 040 050 063 075 090 110 130 Worm Gearbox   with high quality China OEM Nmrv030 040 050 063 075 090 110 130 Worm Gearbox   with high quality
editor by CX 2023-10-21