Subject:
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Re: Ring and Axle Hole fit
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 11 Nov 2002 22:59:53 GMT
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Viewed:
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315 times
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In lugnet.cad.dev, Orion Pobursky writes:
> Is there a reason why the axle hole primitives don't fit exactly to the
> ring/cylinder/edge primitves placed around them? Is this a program anomaly
> or decimal place issue? Is there a reason why most of the axle holes are
> carried to 2 decimal places vice 3?
>
> -Orion
Well spotted. There are some bad approximations to the 6LDu radius 16-agon in
the axlehole.dat primitive and these appear to have been carried forward into
other derivatives. Looks like a well-bounded project for someone to take on?
Two decimal places is generally considered sufficient for parts and
non-scalable primitives (and the axlehol* primitives should not be scaled in
the x or z dimensions). Scalable primitives, such as the rin, cyli, edge
primtives use 3 decimal places to allow them to be scaled up by a factor of 10
and still retain 2 decimal places.
Chris
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Message has 1 Reply:
Message is in Reply To:
 | | Ring and Axle Hole fit
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| Is there a reason why the axle hole primitives don't fit exactly to the ring/cylinder/edge primitves placed around them? Is this a program anomaly or decimal place issue? Is there a reason why most of the axle holes are carried to 2 decimal places (...) (22 years ago, 7-Nov-02, to lugnet.cad.dev)
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