Product Description

90 degree gearbox  Low-noise CZPT version gear box dc motor worm planetary motoreductor transmission auto parts machine gearbox 

We have produced and exported the Motovario-like speed transmission gearbx for years,able to provide to all the customers with matureproducts in competitive prices and free technical support all the time.

Features

  • Wide transmission rate, strong output torque
  • Structure: base-mounted, input shaft, input flange, additional single or double output shafts
  • Compact mechanical structure, light weight, small volume
  • Good temperature change resistance
  • Smooth operation with lower noise or vibration
  • Easy mounting, free linking, high efficiency
  • Wide range of application to the work flow devices,like conveyor belts,driven by motors or other engines,with requirements to slow the speed

Basic information

Model RV 130 150
Single unit versions

NMRV - fitted for motor flanged coupling,

NRV - with input shaft,

NMRV-E motor flanged coupling with worm extension shaft,

NRV-E with double extension worm shaft,

 

Series of products 

 

 Single unit reduction ratio  1:5 7.5 80 100
 Output torque  2.6---1195N.M
 Power  0.06----15KW 
After-sale service  Free components or complete units will be supplied to replace the damaged ones of quality problems during guarantee period,free technical support all the time.

 

 

Application: Motor, Motorcycle, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Type: Gear Reducer
Color: Blue, Silver or Customised
Model Number: RV030
Lubricant: Synthetic & Mineral
Samples:
US$ 999/Piece
1 Piece(Min.Order)

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90 degree gearbox

Role of Bevel Gears in a 90 Degree Gearbox

Bevel gears play a crucial role in enabling a 90 degree gearbox to change the direction of rotation while transmitting power between two intersecting shafts. Here's how bevel gears fulfill their role:

Bevel gears are a type of gears with conically shaped teeth that allow them to mesh at an angle. In a 90 degree gearbox, two sets of bevel gears are used:

  1. Input Bevel Gear Set: The input bevel gear set consists of a pair of bevel gears that are mounted on the input shaft. These gears have their axes at a 90 degree angle to each other. As the input shaft rotates, the meshing of these bevel gears transmits motion and power to the intermediate shaft.
  2. Output Bevel Gear Set: The output bevel gear set, also consisting of a pair of bevel gears, is mounted on the intermediate shaft. These gears mesh with the input bevel gears and are oriented at a 90 degree angle to them. This arrangement results in a change of direction by 90 degrees from the input shaft to the output shaft.

By using two sets of bevel gears at a 90 degree angle to each other, the 90 degree gearbox effectively changes the direction of rotation while maintaining power transmission. Bevel gears are designed to handle the intersecting shafts' angular motion and provide reliable torque transfer even in situations where the input and output shafts are not aligned in the same plane.

The bevel gear arrangement in a 90 degree gearbox allows for versatile applications, making it possible to transmit power and motion efficiently around corners and tight spaces in various industrial and mechanical systems.

90 degree gearbox

Preventing Backlash and Gear Play in a 90 Degree Gearbox

Backlash and gear play in a 90 degree gearbox can lead to inefficiencies, inaccuracies, and even mechanical damage. Here's how you can prevent them:

  • High-Quality Gears: Start with well-manufactured, precision-cut gears that have minimal tolerances. High-quality gears reduce the initial presence of backlash.
  • Tight Tolerances: Design the gearbox with tight tolerances to minimize the amount of clearance between gear teeth. This helps reduce backlash and gear play.
  • Preloading: Introduce a slight preloading force between meshing gears. This force keeps the gears engaged tightly, minimizing any free movement and thereby reducing backlash.
  • Anti-Backlash Gears: Some gear designs include mechanisms like split gears or spring-loaded gears that automatically compensate for backlash and keep gears engaged.
  • Flexible Couplings: Use flexible couplings or universal joints to absorb any residual backlash, reducing its impact on the overall system.
  • Lubrication: Ensure proper lubrication of gears to minimize friction, which can contribute to backlash and gear play.
  • Mounting and Alignment: Precise mounting and alignment of the gearbox components can help reduce backlash. Ensure that gears are properly aligned and securely mounted.
  • Regular Maintenance: Periodically inspect and maintain the gearbox to ensure that gears remain properly aligned and engaged. Replace worn-out components promptly.

By employing these strategies, you can minimize backlash and gear play in a 90 degree gearbox, leading to improved efficiency, accuracy, and overall performance.

90 degree gearbox

How a 90 Degree Gearbox Works

A 90 degree gearbox, also known as a right-angle gearbox, operates by changing the direction of rotational motion by 90 degrees. It achieves this by utilizing a combination of gears, typically bevel or miter gears, that transmit power smoothly at a right angle.

Here's how a 90 degree gearbox works:

  1. Input Shaft: The gearbox receives rotational motion from an input shaft.
  2. Bevel or Miter Gears: Inside the gearbox, bevel or miter gears are positioned at a 90 degree angle to each other. These gears have specially cut teeth that allow them to engage and transmit power at right angles.
  3. Meshing of Gears: As the input shaft rotates, its gear engages with the first bevel or miter gear. The teeth of these gears mesh and transfer rotational force.
  4. Change in Direction: The first gear transfers the rotational motion to the second gear at a right angle, resulting in a change in the direction of motion by 90 degrees.
  5. Output Shaft: The second gear is connected to the output shaft, which receives the changed direction of rotational motion. The output shaft then transmits this motion to the intended machinery or system.

By using precision-cut gears that mesh smoothly, the 90 degree gearbox ensures efficient power transmission while changing the direction of motion. This makes it a valuable component in various applications, including conveyors, printing machinery, automotive drivetrains, machine tools, and robotics.

China Standard 90 Degree Gearbox Low-Noise Best Price Manufacture Version Gear Box DC Motor Worm Planetary Motoreductor Transmission Auto Parts Machine Gearbox   supplier China Standard 90 Degree Gearbox Low-Noise Best Price Manufacture Version Gear Box DC Motor Worm Planetary Motoreductor Transmission Auto Parts Machine Gearbox   supplier
editor by CX 2023-09-08

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