Posted by Russell on August 17, 2003 at 15:08:08:
In Reply to: HOB SPINDLE ROTATION posted by Mark Schneberger on August 11, 2003 at 21:19:14:
Usually any loss of sychronisation between hob and job rotation is caused by backlash in differential and/or index gear trains apart from that which may arise from from loose keys / oversize keyways of gears or interconnecting shafts. Also, any backlash in axial leadscrew and boxnut could cause this to happen.
Hope this helps.
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