Re: zero/anti-lash gears


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Posted by Bill on January 01, 1999 at 11:23:59:

In Reply to: zero/anti-lash gears posted by Larry Wenzler on December 31, 1998 at 14:35:53:

How about a fine pitch worm and worm gear? with a spring loaded worm support that keeps contact with the gear, and a suitable position encoder with feedback control, it should be accurate. Even without position feedback, it could be made more mechanically accurate by using a large diameter wormgear with a lot of teeth, and a single start worm. The finer the pitch, the greater the number of teeth & positioning accuracy. For high shock loads, you probably would not want to depend on the worm & gear mesh for locking.

HTH,
Bill


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