China factory Nmrv Nrv Low Speed Rpm Aluminum Housing Worm Speed Gearbox automatic gearbox

Product Description

Product Description

NMRV series worm gear reducer
1.  Aluminum alloy housing, small size, light weight.
2. High transmission efficiency, low noise.
3.Smooth ruuning, high output torque and long service life.
4. Multiple connection structure and installation.

 

TYPE Worm Gear Speed Reducer / Worm Gearbox
NMRV MODEL NMRV25, NMRV30, NMRV40, NMRV50, NMRV63, NMRV75, NMRV90, NMRV110, NMRV130, NMRV150
NRV MODEL NRV25, NRV30, NRV40, NRV50, NRV63, NRV75, NRV90, NRV110, NRV130, NRV150
POWER 0.12kw-15kw
RATIO 1/7.5,1/10,1/15,1/20,1/15,1/30,1/40,1/50,1/60,1/80,1/100
COLOR Blue(RAL5571), Silver grey (RAL9571), or on request
MATERIAL Housing/Flange:Aluminum Alloy
Worm Gear:Copper 9-4&nodular iron
Worm:20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft:chromium steel-45#
IEC FLANGE IEC standard flange 56B14, 63B14, 63B5, 63B5, 71B14,80B14 AND SO ON
LUBRICANT Synthetic & Mineral

Detailed Photos

 

NMRV Model&marker

NMRV-063-30-VS-F1(FA)-AS-80B5-0.75KW-B3

NMRV

Means hole-input with flange

NRV

Means shaft-input without flange

63

Centre-to-centre spacing of worm-gear speed reducer

30

Ratio

VS

Double input shaft

F1 (FA)

Flange output

AS

Single output shaft

AB

Double output shaft

PAM

Fitted for motor coupling

80B5

Motor mounting facility

0.75kw

Electric motor power

B3

Mounting position

 

NMRV                                                                   NMRV+NMRV

NMRV/NRV ASSEMBLE WITH ELECTRIC MOTOR

 

 

Workshop

Manufacturing the  Aluminum Housing by CNC.                          Lots of  housings in stock.

Lots of worm gears and worm shafts in stock.

Assembling line 

Packaging & Shipping

Each reducer in single carton box packed.
 

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

Application: Motor, Motorcycle, Machinery, Toy, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Worm Gear
Type: Worm Reducer
Customization:
Available

|

Customized Request

nmrv gearbox

Safety Precautions When Working with NMRV Gearboxes

Working with NMRV (worm gear) gearboxes requires careful attention to safety to prevent accidents and injuries. Here are some essential safety precautions to consider:

  • Personal Protective Equipment (PPE): Always wear appropriate PPE, such as gloves, safety glasses, and protective clothing, to protect yourself from potential hazards.
  • Lockout-Tagout: Before performing any maintenance or repairs, ensure the equipment is properly shut down and locked out to prevent accidental startup.
  • Training: Only qualified personnel with proper training and experience should work on NMRV gearboxes to minimize the risk of errors and accidents.
  • Proper Tools: Use the correct tools for the job and ensure they are in good condition. Incorrect tools can cause damage or pose safety risks.
  • Adequate Lighting: Work in well-lit areas to enhance visibility and reduce the risk of accidents caused by poor lighting.
  • Secure Work Area: Ensure the work area is clean, organized, and free from clutter to prevent tripping hazards and improve overall safety.
  • Lubrication: When applying lubricants, be cautious to avoid spills. Clean up any spills immediately to prevent slips and falls.
  • Follow Manufacturer Guidelines: Adhere to the manufacturer’s instructions, maintenance schedules, and safety guidelines when working on NMRV gearboxes.
  • Electrical Safety: If the gearbox is electrically powered, ensure proper electrical safety protocols are followed during maintenance or repairs.
  • Avoid Overloading: Do not exceed the recommended load capacities of the gearbox to prevent mechanical failures and potential hazards.
  • Stay Clear of Moving Parts: Keep hands, clothing, and other objects away from moving parts to prevent entanglement or injury.
  • Emergency Procedures: Be familiar with emergency shutdown procedures and know how to respond in case of an unexpected situation.

By following these safety precautions, you can help ensure a safe working environment and minimize the risk of accidents or injuries when working with NMRV gearboxes.

nmrv gearbox

Design Principles of an NMRV Gearbox

The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:

  • Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
  • Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
  • Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
  • Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
  • Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
  • Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
  • Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
  • Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
  • Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.

The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.

nmrv gearbox

Using an NMRV Gearbox

An NMRV gearbox, also known as a worm gear reducer, is commonly used for various applications that require speed reduction, torque multiplication, and smooth power transmission. This type of gearbox offers several benefits:

  • Compact Design: NMRV gearboxes have a compact and space-saving design, making them suitable for applications with limited installation space.
  • High Gear Ratio: Worm gear reducers can achieve high gear ratios in a single stage, making them ideal for applications where a significant reduction in speed is needed.
  • Quiet Operation: The meshing of the worm gear and worm wheel results in low noise levels during operation.
  • Simple Operation: NMRV gearboxes have a simple design with fewer components, leading to ease of operation and maintenance.
  • Reliable and Durable: Worm gear reducers are known for their reliability and durability, making them suitable for continuous and heavy-duty applications.

Common applications of NMRV gearboxes include:

  • Conveyor systems
  • Material handling equipment
  • Industrial machinery
  • Automated systems
  • Food processing equipment
  • Packaging machinery

Due to their versatility and ability to provide precise speed reduction, NMRV gearboxes are widely used in various industries to optimize the performance of different types of machinery and equipment.

China factory Nmrv Nrv Low Speed Rpm Aluminum Housing Worm Speed Gearbox   automatic gearbox	China factory Nmrv Nrv Low Speed Rpm Aluminum Housing Worm Speed Gearbox   automatic gearbox
editor by CX 2023-10-27