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Worm Gearbox

Author : Date : 2014-3-29 10:31:28
Worm Gears and Worm Gearbox

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.
worm gearbox
worm gearbox
Figure 1: Worm Gearbox
Physical Properties

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

Disadvantages of Worm Gears 
     • Limitations 
     • Nonreversible 
     • Low efficiency 

Advantages of Worm Gears 
     • High precision 
     • Right-angle configurations 
     • Braking system 
     • Low noise 
     • Maintenance-free 

Applications of Worm Gears

Worm Gears are used in applications requiring high speeds and loads and can be configured for right-angle applications.

     • Mining 
     • Rolling Mills 
     • Presses 
     • Elevators/Escalator Drive Systems 

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