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Introduction About Worm Gear & Helical Gear

Aug 17, 2017

                                           Introduction about Worm gear & Helical gear

Worm Gear

Worm gears are able to withstand high shock loads, low in noise level and maintenance-free but are less efficient than other 

gear types. Worm gears can be used in right angle configuration. The worm gearbox configuration allows the worm to turn the 

gear with ease; however, the gear cannot turn the worm.The prevention of the gear to move the worm can be used as a braking 

system. When the worm gearbox is not active, it is held in a locked position.

Physical Properties

Worm gears are typically constructed of aluminum, stainless steel and cast iron.The material used varies depending on the manufacturer.

Helical Gear

Helical gears are cut at angles which allow for gradual contact between each of the helical gear teeth. This type of innovation 

provides for a smooth and quiet operation. Gearboxes using helical gears are applicable in high horsepower and efficient 


Physical Properties

Helical gears are typically constructed from cast iron, aluminum allow or iron material but may vary depending on the 

manufacturer.Thanks !