LEESON Electric Corporation  

Glossary of Terms

 
Back Driving:
Driving the output shaft of a gear reducer – using it to increase speed rather than reduce speed. Worm gear reducers are not suitable for service as speed increasers.
 
Backlash:
Rotational movement of a gear reducer’s output shaft clockwise and counter clockwise, while holding the input shaft stationary. Usually expressed in thousandths of an inch and measure at a specific radius at the output shaft.
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