Tag Archives: nmrv 63 gearbox

China supplier Customized Small Gear Motor Nmrv 063 Gearbox 220V DC Motor with Reducer for Elevator gearbox engine

Product Description

SC Transmission Customized small gear motor nmrv 063
gearbox 220v dc motor with reducer for elevator

Product Description



The weight of the NMRV reducer is relatively light. The shell is made of aluminium alloy. It has the advantages of light weight, superior strength, exquisite appearance, high heat dissipation performance, long service life, no noise and so on. It is easy to connect with the motor.

NMRV reducer is a more practical transmission equipment, and in the appearance design and its integration are more in line with the needs of the public than other types of reducers.

The application field and popularity of the RV reducer made of aluminium alloy are even better than other types of reducer. It is a kind of reducer with high practicability, and also a combination of advanced technology at home and abroad.

NMRV reducer is very convenient to connect with ordinary motor, CVT, flange electromagnetic clutch brake unit, and does not need coupling. Suitable for all-round installation, and the output torque is relatively large, work fairly smoothly and so on.


  • Product Parameters


  • RV – Sizes:–150
  • Input Options: with input shaft, With Square flange,With Input Flange
  • Input Power 0.06 to 11 kW
  • RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
  • Ratios between 5 and 100
  • Max torque 1550 N.m and admissible output radial loads max 8771 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: Copper (9-4/10-1/12-2 for options). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug.


Detailed Photos


Company Profile



/* 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: Motor, Machinery, Agricultural Machinery
Gear Shape: Bevel Gear
Type: Worm Reducer
Output Torque: 2.6n.M-1195n.M
Input: Flange or Shaft
Input Power: 0.1-25.8kw
US$ 50/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

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)

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

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China supplier Customized Small Gear Motor Nmrv 063 Gearbox 220V DC Motor with Reducer for Elevator   gearbox engineChina supplier Customized Small Gear Motor Nmrv 063 Gearbox 220V DC Motor with Reducer for Elevator   gearbox engine
editor by CX 2024-03-27

China Custom High Efficiency Nmrv 063 Worm Gearbox Manufacturers with Great quality

Item Description

High Effectiveness NMRV 063 Worm Gearbox Producers

With your certain demands of Flange, Ratio, Shaft,and many others, we can propose the suited
Wrom Gearbox for you.

We source all kinds of Worm Gearbox with own manufacturing unit for far more than 15 a long time.
Make contact with us to get a lot more specifics and manufacturing facility value with quite very good top quality merchandise.


Product Specification:

Product Worm Gearbox
Variety NMRV /  NRV
Model NMRV/NRV twenty five/30/forty/fifty/sixty three/seventy five/90/one hundred ten/130/150/185
Reduction Ratio 5,7.5,ten,15,twenty,twenty five,30,forty,50,60,eighty,a hundred
Flange FA / FL or as for every your calls for
Matching Motor .06KW~15KW
Substance Die-casting Aluminum Alloy
Color Blue /Silver Grey /Customized
Flange Regular PAM / IEC
Accessories Shaft, Flange, Torque arm, and so forth
Lubricant Synthetic Oil or Worm Equipment Oil
Utilization Machinery of foods stuff, ceramics, chemical, packing, dyeing, wood functioning, glass industries, and so forth
1) you should select from previously mentioned specs.
two) If over possibilities can not meet your calls for, remember to send us your demands(ratio, flange, mounting, application, or a image of your outdated 1), we will recommond you a appropriate type. 

Solution Parameters:


Rated Power

Rated Ratio

Enter Hole Dia.

Enter Shaft Dia.

Output Gap Dia.

Output Shaft Dia.

















five~one hundred







5~a hundred





















7.5~a hundred







7.5~a hundred







7.5~a hundred














Thorough Drawing will be confirmed with you ahead of purchase!


Business Profile:

Lunyee Industries Growth Co., Ltd. is a top company for manufacturing unit automation (FA) merchandise,
we emphasis on energy transmission and motion control answers! 

Our principal manufacturing are electricity transmission products like AC and DC(brush/brushless) equipment motor, stepper motor,
high precision planetary gearbox (spur/helical equipment) for stepping motor etc. 

-WE Target ON Consumer Fulfillment!

All CZPT people are dedicated in buyer fulfillment! We serve our client by substantial top quality, lower cost, rapidly shipping and delivery
and swift reaction on after sales service!

No make a difference the items are manufactured by CZPT or our sub-contractors, a warranty for quality is offered from us!
Lunyee use the most recent products for producing and examination!




Our motors handed CE Certification, with high high quality which has been recognized for all consumers.

Packaging and Cargo:



Q: Are you trading firm or maker?
A: We are the motor manufaturer for 15 years in China.

Q: How to buy?
A: send us inquiry → receive our quotation → negotiate specifics → affirm the sample → signal agreement/deposit →
mass manufacturing →cargo completely ready → stability/shipping and delivery → even more cooperation

Q: How about Sample get?
A: Sample is available for you. please make contact with us for particulars.

Q: Which shipping way is obtainable?
A: DHL, FedEx, By Sea are offered. The other shipping ways are also offered, make sure you speak to us if you need to have ship
by the other delivery way. 

Q: How extended is the provide, creating and shipping and delivery?
A: Provide time is dependent on the amount you buy. generally it normally takes 7-25 working days.

Q: How to verify the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be acknowledged, Remember to contact us before you
pay out by the other payment approaches. Also fifty% deposit is accessible, the harmony income should be compensated ahead of shipping and delivery.

Rated Items:

Underneath is a list of our presently offered industrial gearboxes. If you can’t find what you are hunting for, please get in touch with the factory for more possibilities. At EP, we are consistently developing new merchandise and retrofitting previous kinds to meet customer specifications.
Gearboxes are mechanical gadgets that help travel methods maintain ideal pace and torque for applications. Also known as gearboxes and equipment drives, they minimize the rotational velocity of the enter shaft by a specified share and improve the electricity delivered to the output shaft by the very same percentage. Ratio multipliers enhance the deceleration and torque offered by the reducer by a specific ratio and are appropriate for parallel installations. Mounting bases, torque arms and flange couplings are add-ons utilised with the reducer. They are typically used in apps the place the reducer is not straight connected to the generate mechanism.

China Custom High Efficiency Nmrv 063 Worm Gearbox Manufacturers     with Great quality