SANKYO SEISAKUSHO CO. Motion Control & Mechanisms
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Top page > Products info. > MACHINE TOOL UNITS > NC circular table (DSA/DS)
Precision reducer with zero backlash/Roller drive Indexing Unit/SANDEX Pick & place unit/SANDEX Parts feeder/SANDEX feeder
Overload protector/torque limiter Press feed/VARIAX Machine tool units Automated machines
 
Fast indexing with zero backlash NC circular table (DSA/DS) Back
ROLLADEX DSA20
While the linear system uses ball screws, Sankyo uses a roller gear for rotary systems to successfully get performance equivalent to a linear system. As with ball screws, the roller gear cam mechanism, consisting of this roller gear and a globoidal cam, can provide a preload design without backlash. The rolling contact surfaces make it highly rigid and efficient. Of course, no clamping device is necessary.
 
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