Subject:
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Re: Backlash in Lego Gear Trains
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Newsgroups:
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lugnet.technic
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Date:
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Mon, 8 Jan 2001 20:28:23 GMT
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Viewed:
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1072 times
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Jerry,
Precise positioning is my objective. And of course too much friction is a
problem. I have'nt fooled around with this too much but, the LEGO gears, as
designed, have too much backlash for my project (and as you suggest probably
to keep the friction down). My project also involves a gear train which
leads to a tolerance stack-up that ruins my precision.
Do you know if the LEGO chain elements could help here?
Chris
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Message has 2 Replies:
 | | Re: Backlash in Lego Gear Trains
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| If you working on a Mindstorms project, then measure your position as close to the output of your gear train as possible. This will eliminate the effect of backlash on your positioning. However if the gear train is expected to hold the final (...) (24 years ago, 8-Jan-01, to lugnet.technic)
| | | Re: Backlash in Lego Gear Trains
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| Same problem. The more you try to reduce backlash, the more friction you get. ROSCO "Chris Mattson" <mattson@byu.edu> wrote in message news:G6v27B.GAn@lugnet.com... (...) (24 years ago, 8-Jan-01, to lugnet.technic)
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Message is in Reply To:
| | Re: Backlash in Lego Gear Trains
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| Chris, it depends on your point of view. As backlash gets less and less, gear train friction gets more and more. The friction is somewhat between the gears but mostly in the shaft bearings where additional force comes to bear. Unless you need (...) (24 years ago, 8-Jan-01, to lugnet.technic)
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