Product Description

Km Series Aluminium Alloy 7.5~300 Ratio 90 Degree Hypoid Gear Motor Vertical Hypoid Reduction Gearbox with Electric Motor

Housing Nodular Cast Iron(Ductile Iron) QT600
Gears Profile Hardened Helical Gears
Gears Material 20CrMnTi
Gears Processing Carburizing, Quenching, Grinding
Gears Hardness Surface Hardness: HRC58-62, Inner Hardness: HBS156-207
Gears Accuracy 6 Class
Shafts Material 40Cr
Input Configurations Keyed CHINAMFG Shaft Input
IEC Normalized Motor Flange
Output Configurations Keyed Hollow Shaft Output
Oil Seal ZheJiang SOG
Bearings NSK, SKF, HRB, ZWZ, LYC
Spare Parts Torque arm, Optional Backstop

 

 

 

 

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Our Services

With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.

Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and effi­ciently.
We customize our CHINAMFG planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs. 

These features enable a reliable and safe service life of over 200 000 operational hours. 

Our customers have been placing their trust in CHINAMFG gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.

 

Related Products

 

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Speed Changing, Speed Reduction
Layout: Helical Gearbox
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Stepless

90 degree gearbox

Calculating Torque Requirements for a 90 Degree Gearbox

Calculating the torque requirements for a 90 degree gearbox involves understanding the torque transfer across the gear train and considering factors such as gear ratios, efficiency, and the desired output torque. Here’s a general process:

  1. Determine Input Torque: Start by identifying the input torque required for your application. This could be the torque generated by the motor or power source that drives the gearbox.
  2. Account for Gear Ratio: Calculate the overall gear ratio of the 90 degree gearbox. This involves multiplying the gear ratios of each stage if the gearbox has multiple stages. The gear ratio is typically given as the output gear’s teeth divided by the input gear’s teeth.
  3. Calculate Intermediate Torque: Use the gear ratio to calculate the intermediate torque at the output of the input bevel gear set. Multiply the input torque by the gear ratio to get the intermediate torque.
  4. Consider Efficiency: Take into account the efficiency of the gearbox. Efficiency is the ratio of output power to input power, expressed as a percentage. Multiply the intermediate torque by the gearbox efficiency to get the effective torque.
  5. Calculate Final Output Torque: If there’s an additional output stage with bevel gears, apply the appropriate gear ratio and efficiency to calculate the final output torque at the output shaft of the gearbox.

Keep in mind that real-world factors such as friction, load variations, and mechanical losses can influence the accuracy of torque calculations. It’s advisable to incorporate safety factors to ensure the gearbox can handle peak loads without failure.

Consulting gearbox manufacturers’ specifications and engineering guides can provide more accurate information and guidance on torque calculations for specific gearbox models.

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

90 Degree Gearbox: Definition and Applications

A 90 degree gearbox, also known as a right-angle gearbox or a 90 degree gear drive, is a mechanical device used to change the direction of rotational motion by 90 degrees. It is designed to transmit power and torque between two shafts that are positioned perpendicular to each other.

These gearboxes are commonly used in applications where space constraints or the need to change the direction of motion require a compact and efficient solution. Here are some common applications of 90 degree gearboxes:

  • Conveyors: In industrial systems, 90 degree gearboxes are used to change the direction of material flow on conveyors that need to turn corners.
  • Printing Machinery: Printing presses often require the ability to change the direction of paper or other materials as they move through the printing process.
  • Automotive: 90 degree gearboxes can be found in vehicles’ drivetrain systems, especially in four-wheel-drive or all-wheel-drive setups where power needs to be transferred to front and rear axles.
  • Machine Tools: Machine tools, such as milling machines and lathes, may require a change in the direction of motion to perform specific operations.
  • Robotics: Industrial robots and automation equipment often use 90 degree gearboxes to redirect motion in tight spaces.

The 90 degree gearbox achieves its function through a combination of gears, usually bevel or miter gears, that transmit power smoothly at a right angle. The gear teeth engage and transfer the rotational force from one shaft to the other, allowing the machinery to function effectively even when space limitations prevent a direct alignment of the input and output shafts.

Overall, the 90 degree gearbox is a versatile and essential component in various industries where the redirection of motion is required to achieve specific tasks efficiently.

China manufacturer Km Series Aluminium Alloy 7.5~300 Ratio 90 Degree Hypoid Gear Motor Vertical Hypoid Reduction Gearbox with Electric Motor   automatic gearbox	China manufacturer Km Series Aluminium Alloy 7.5~300 Ratio 90 Degree Hypoid Gear Motor Vertical Hypoid Reduction Gearbox with Electric Motor   automatic gearbox
editor by CX 2023-12-04