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 Robotics / 8319
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Subject: 
Re: Gear backlash
Newsgroups: 
lugnet.robotics
Date: 
Thu, 18 Nov 1999 16:46:41 GMT
Original-From: 
Russell Nelson <nelson@crynwr.com(Spamless)>
Viewed: 
552 times
  
David Paule writes:
> Does anybody have methods for reducing gear backlash?

Ugh.  The standard way to do this is with high-precision gears, and/or
special split gears with a spring.  I don't think there's much to do
about it with Lego parts.

--
-russ nelson <sig@russnelson.com>  http://russnelson.com
Crynwr sells support for free software  | PGPok | Government schools are so
521 Pleasant Valley Rd. | +1 315 268 1925 voice | bad that any rank amateur
Potsdam, NY 13676-3213  | +1 315 268 9201 FAX   | can outdo them. Homeschool!



Message has 3 Replies:
  Re: Gear backlash
 
=>David Paule writes: => > Does anybody have methods for reducing gear backlash? How about "reduce the gear train length?" (Not what you're looking for, I'll bet :-) d. (25 years ago, 18-Nov-99, to lugnet.robotics)
  Re: Gear backlash
 
Well, the standard way on worm drives is to load the end of the worm with a spring, so there is always contact on one "side" of the worm. Similar things can be done for spur gears, but they all involve loading the meshed teeth in one direction with (...) (25 years ago, 18-Nov-99, to lugnet.robotics)
  Re: Gear backlash
 
Hi. Russell is right. I did alot of this in my former life as a mechanical engineer, but it's not as difficult to do in LEGO(R) as one might think. Basically, one has to set up two parallel gear trains and then 'preload' them against each other by (...) (25 years ago, 21-Nov-99, to lugnet.robotics)

Message is in Reply To:
  Gear backlash
 
Does anybody have methods for reducing gear backlash? (25 years ago, 18-Nov-99, to lugnet.robotics)

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