Design and Fabrication Of Gear Box Full Report Download

Written by Sachin Thorat in Mechanical Projects Report

Design and Fabrication Of Gear Box Full Report Download

GEARBOX

A gearbox, also known as a gear case or gear head, is a gear or a hydraulic system responsible for transmitting mechanical power from a prime mover (an engine or electric motor) into some form of useful output.

A gearbox is a set of gears for transmitting power from one rotating shaft to another. They are used in a wide range of industrial, automotive and home machinery application.

Gear heads are available in different sizes, capacities and speed ratios. Their main function is to convert the input provided by an electric motor into an output of lower RPM and higher torque.

See Also:Design And Fabrication of Six Speed Constant Mesh Gear BoxOpens in a new tab.

Functions of a Gearbox

• A gearbox is precisely bored to control gear and shaft alignment.
• It is used as a housing/container for gear oil.
• It is a metal casing for protecting gears and lubricant from water, dust and other contaminants.

Gearbox Specifications

There are a number of performance specifications which must be considered while choosing a gearbox for different industrial applications. Some of the important specifications are :
• Gear ratio : The ratio may be specified as x : 1, where x is an integer.
• Output torque
• Maximum input power
• Maximum input speed
• Gearing arrangement
• Reducer output
• Shaft Alignment

Types of Drives and gearboxes

 There are many types of the car drives, usually classified accordance with number of driving axles (4×2, 4×4, 4WD, AWD) and each type has a different gearing arrangement. Also, gearbox (transmission) has different types (sliding-mesh, constant-mesh, synchro-mesh) some of them are old-fashion and had been replaced, and some are in use in modern cars.
Sliding Gear Box Used In automobiles
Sliding Gear Box Used In automobiles


CLASSIFICATION OF MANUFACTURING PROCESSES OF GEARS

1. Milling process
  • Disc type cutter
  • End mill cutter
2.  Gear shapers
  • Rack – type cutter generating process
  • Pinion type cutter generating process
4. Gear hobbing
  • Axial hobbing
  • Radial hobbing
  • Tangential hobbing
5.  Bevel gear generating
  • Straight Bevel – gear generator
  • Spiral bevel –gear Generator

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Sachin Thorat

Sachin is a B-TECH graduate in Mechanical Engineering from a reputed Engineering college. Currently, he is working in the sheet metal industry as a designer. Additionally, he has interested in Product Design, Animation, and Project design. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos.

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