China high quality “Double Stage Worm Gear RV Reducer-Nmrv50/105-750W” components of gearbox

Product Description

The reducer has a compact structure, smooth operation, low noise, and no need for maintenance
1, There are multiple combinations of secondary reduction ratios to facilitate the adjustment of the output torque of the mechanism


technical parameter NMRV40/90 NMRV30/63 NMRV50/105
Motor power 550W 250W 750W
motor speed  1400r/min 700r/min
speed ratio 10×80 7.5×50 10×80
Output speed(r/min) 1.75 3.73 0.875


                                                 Company profile                                                


      Taikai Group Co., Ltd ( short for CHINAMFG Group) is a large-scale enterprise majoring in the manufacture of power transmision and transformationequipment, LV electrical equipment and special vehicles. Nowadays, the Group subordinated with 22 companies is ranked of the ahead position in thpower transmision and transformation industry for its comprehensive economic targets and No.1 position in ZheJiang Province. The Group is 1 of thefew large-scale enterprises, which is fully capable of the complete supply of power transmission and transformation equipment with the voltage of 550Kand the below, as well as EPC substation proiects. Over the years,”TK” products are sold to all provinces of mainland China. and exported to more than60 countries and regions, such as Russia, lndia, Pakistam, Poland, Afiica and South America etc, and they enjoy wide reputation in the domestic ancinternational power projects.


                                                 OUR PERFORMANCE                                                


                                       OUR WORKSHOP                                          

                                       OUR  COSTOMERS                            


Q1:Are you a factory or trading company?
A1:We are a factory,we can guarantee our price is first-hand,very cheap and competitive.

Q2:What is payment term?
A2:We accept TT,30%deposit and 70%balance against copy of BL.

Q3:Could I have prices of your products?
A:Welcome.Please feel free to send us inquiry here.We will reply you within 24 hours.
Q4:How about delivery time?
A:Usually it will take about 15-20 days.

Q5:May I know warranty time?
A:In 12 months since BL date.

Q6:Do you accept product customization?
A:Yes,of course.Please provide specific drawings or parameters,we will quote you after evaluation.

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Application: Motor, Electric Cars, Motorcycle, Isolation Switch
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Double-Step


Customized Request

gear gearbox

Are there any disadvantages or limitations to using gear reducer systems?

While gear reducer systems offer numerous advantages, they also come with certain disadvantages and limitations that should be considered during the selection and implementation process:

1. Size and Weight: Gear reducers can be bulky and heavy, especially for applications requiring high gear ratios. This can impact the overall size and weight of the machinery or equipment, which may be a concern in space-constrained environments.

2. Efficiency Loss: Despite their high efficiency, gear reducers can experience energy losses due to friction between gear teeth and other components. This can lead to a reduction in overall system efficiency, particularly in cases where multiple gear stages are used.

3. Cost: The design, manufacturing, and assembly of gear reducers can involve complex processes and precision machining, which can contribute to higher initial costs compared to other power transmission solutions.

4. Maintenance: Gear reducer systems require regular maintenance, including lubrication, inspection, and potential gear replacement over time. Maintenance activities can lead to downtime and associated costs in industrial settings.

5. Noise and Vibration: Gear reducers can generate noise and vibrations, especially at high speeds or when operating under heavy loads. Additional measures may be needed to mitigate noise and vibration issues.

6. Limited Gear Ratios: While gear reducers offer a wide range of gear ratios, there may be limitations in achieving extremely high or low ratios in certain designs.

7. Temperature Sensitivity: Extreme temperatures can affect the performance of gear reducer systems, particularly if inadequate lubrication or cooling is provided.

8. Shock Loads: While gear reducers are designed to handle shock loads to some extent, severe shock loads or abrupt changes in torque can still lead to potential damage or premature wear.

Despite these limitations, gear reducer systems remain widely used and versatile components in various industries, and their disadvantages can often be mitigated through proper design, selection, and maintenance practices.

gear gearbox

How do gear reducers handle shock loads and sudden changes in torque?

Gear reducers are designed to handle shock loads and sudden changes in torque through several mechanisms that enhance their durability and reliability in challenging operating conditions.

1. Robust Construction: Gear reducers are constructed using high-strength materials and precision manufacturing techniques. This ensures that the gears, bearings, and other components can withstand sudden impacts and high torque fluctuations without deformation or failure.

2. Shock-Absorbing Features: Some gear reducer designs incorporate shock-absorbing features, such as flexible couplings, elastomeric elements, or torsionally flexible gear designs. These features help dampen and dissipate the energy from sudden shocks or torque spikes, reducing the impact on the entire system.

3. Torque Limiters: In applications where shock loads are common, torque limiters may be integrated into the gear reducer. These devices automatically disengage or slip when a certain torque threshold is exceeded, preventing damage to the gears and other components.

4. Overload Protection: Gear reducers can be equipped with overload protection mechanisms, such as shear pins or torque sensors. These mechanisms detect excessive torque and disengage the drive temporarily, allowing the system to absorb the shock or adjust to the sudden torque change.

5. Proper Lubrication: Adequate lubrication is essential for managing shock loads and sudden torque changes. High-quality lubricants reduce friction and wear, helping the gear reducer withstand dynamic forces and maintain smooth operation.

6. Dynamic Load Distribution: Gear reducers distribute dynamic loads across multiple gear teeth, which helps prevent localized stress concentrations. This feature minimizes the risk of tooth breakage and gear damage when subjected to sudden changes in torque.

By incorporating these design features and mechanisms, gear reducers can effectively handle shock loads and sudden changes in torque, ensuring the longevity and reliability of various industrial and mechanical systems.

gear gearbox

Function of Gear Reducers in Mechanical Systems

A gear reducer, also known as a gear reduction unit or gearbox, is a mechanical device designed to reduce the speed of an input shaft while increasing its torque output. It accomplishes this through the use of a set of interlocking gears with different sizes.

The primary function of a gear reducer in mechanical systems is to:

  • Speed Reduction: The gear reducer takes the high-speed rotation of the input shaft and transmits it to the output shaft through a set of gears. The gears are configured in such a way that the output gear has a larger diameter than the input gear. As a result, the output shaft rotates at a lower speed than the input shaft, but with increased torque.
  • Torque Increase: Due to the size difference between the input and output gears, the torque applied to the output shaft is greater than that of the input shaft. This torque multiplication allows the system to handle heavier loads and perform tasks requiring higher force.

Gear reducers are widely used in various industries and applications where it’s necessary to adapt the speed and torque characteristics of a power source to meet the requirements of the driven equipment. They can be found in machinery such as conveyor systems, industrial machinery, vehicles, and more.

editor by CX 2024-05-15