A main part in the machines, gear is supportive equipment which help transfer of a motion. It is mostly used in many machines, particularly in the automotive area. While the gears are used to change direction of the motion, they also have functions to keep torque value in balance and control the speed. Gears have many types such as helical, worm, herringbone and cone gears. Gears are always used in pairs as a minimum. Gears are made of materials such as plastic, brass aluminium.

Operating Principle of Gears

Gears have function of motion mechanism for machines, equipment and mechanisms. Gears clamp each other when rotating, transferring power between shafts. They have a wide area of use and almost every machine requires gear mechanism. On each machine where gear wheels are used, gears are required for performing rotational motion in straight or reverse direction. Among the gears, spur gears are generally used most. They are preferred as being more cost-effective and compliant with many machines. Gear to be used is determined according to need of each machine, thus providing use for long time.