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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Sun, 12 Oct 2003 14:58:48 GMT
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Viewed:
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2306 times
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lego-robotics@crynwr.com (Mark H. Near) writes:
>
> 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 exactly. That is why they are a certain
> length.
With four orientations that would be 0, 90, 180 and 270.
However, you could get away with eight if you have one
side of the worm gear at 0, 90, 180 and 270 and the other
at 45, 135, 225 and 315, you'd just need to turn around
every other gear so that the screw continues nicely.
But the missing bit seems to be even less than 1/8,
so that wouldn't help either, and it would be too complicated
for most people I guess.
Jürgen
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
> rot 13 "fr"
"se"
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Message has 1 Reply:
 | | Re: Mechanical pneumatic piston
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| sorry it took me so long to reply, working with remote administration and moving and other stuff.... anyways it has been my opinion that using the bushings has a tendency to slide when there is a slightly significany ammount of resistance involved. (...) (21 years ago, 28-Oct-03, to lugnet.robotics)
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Message is in Reply To:
| | 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 (...) (21 years ago, 11-Oct-03, to lugnet.robotics)
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