Subject:
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Re: Mechanical pneumatic piston
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 11 Oct 2003 10:44:36 GMT
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Viewed:
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4470 times
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At 11:03 PM 10/10/2003, you wrote:
> In lugnet.robotics, Mike Thorn wrote:
> > At 10:26 AM 10/10/2003, Kevin Clague uttered the following:
> > > The problem is that you would need a mold for each unique part that is
> > > cut. If
> > > the number of rotations/divided by the length does not give you length • that is
> > > repeatable using quarter turns you need more than one mold. This is *not*
> > > good
> > > (very expensive), plus from a part sorting perspective, I'd need more • than one
> > > drawer for worm gears :^)
> >
> > I'm not sure my brain can wrap itself around that, but I'll keep trying. In
> > the meantime, I'll take your word for it that it won't work. :)
>
> I overspeaketh......
>
> Let me try again. The gear has to be an integer multiple of 1/4 turns because
> the the gear can fit on an axle four different ways.
>
> If it is more or less than 1/4 turns (1/3), then things won't line up when you
> butt them up to each other on an axle.
Okay, I understand better now. So unless you have two worms made
consecutively, you're stuck.
Thanks! :)
~Mike
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Message has 1 Reply:
 | | Re: Mechanical pneumatic piston
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| Restating for clarity, (I hope) I think the issue is the + shaped central hole. If you mounted these worm gears on an axle which requires them to be mounted at 0 (180), 45, 90, and 135, then of course you can't turn the gears anywhich way to line up (...) (23 years ago, 11-Oct-03, to lugnet.robotics)
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Message is in Reply To:
| | Re: Mechanical pneumatic piston
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| (...) I overspeaketh...... Let me try again. The gear has to be an integer multiple of 1/4 turns because the the gear can fit on an axle four different ways. If it is more or less than 1/4 turns (1/3), then things won't line up when you butt them up (...) (23 years ago, 11-Oct-03, to lugnet.robotics)
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