China Hot selling NMRV Transmission Worm Geared Box with Good quality

Product Description

RV series Characteristics

  • 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 (KK Cu). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Size 030 and over are painted with RAL 5571 blue
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug,Small gap

Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.

 

WORM GEARBOX          
SNW SERIES          Output Speed Range:
Type Old Type Output Torque Output Shaft Dia.   14rpm-280rpm
SNW030  RV030  21N.m  φ14   Applicable Motor Power:
SNW040  RV040  45N.m  φ19   0.06kW-11kW
SNW050  RV050  84N.m  φ25   Input Options1:
SNW063  RV063  160N.m  φ25   With Inline AC Motor
SNW075  RV075  230N.m  φ28   Input Options2:
SNW090  RV090  410N.m  φ35   With Square flange
SNW105  RV105  630N.m  φ42   Input Options3:
SNW110  RV110  725N.m  φ42   With Input Shaft
SNW130  RV130  1050N.m  φ45   Input Options4:
SNW150  RV150  1550N.m  φ50   With Input Flange

Starshine Drive

ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CHINAMFG have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
 to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
 is a product inspection to determine the qualified products.

Packing

Delivery

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Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Worm and Worm Wheel
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

Calculating Torque Requirements for an NMRV Gearbox

Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.

  1. Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
  2. Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
  3. Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox’s mechanical efficiency.
  4. Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it’s recommended to add a safety margin to the calculated torque requirements.

Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency

Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.

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

Key Features of an NMRV Gearbox

NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:

  • Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
  • High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
  • Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
  • Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
  • Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
  • Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
  • Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
  • Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
  • Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.

It’s important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.

China Hot selling NMRV Transmission Worm Geared Box   with Good quality China Hot selling NMRV Transmission Worm Geared Box   with Good quality
editor by CX 2024-04-09


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