Subject:
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Re: Is this bad design?
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Newsgroups:
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lugnet.general
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Date:
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Fri, 16 Nov 2001 23:28:56 GMT
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Viewed:
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999 times
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Yes, even with pnuematic or hydraulic ejectors you'd still design the mold
with some draft.
Bram Lambrecht <bram@cwru.edu> wrote in message
news:000201c16ed5$a8065040$b7fb1681@bl...
> Adrian Drake writes:
> > I suspect it's due to the way that plastic parts are made.
> > They have to have a draft, or an angle on all vertical walls,
> > in order for them to be removed from the mold.
>
> Do you still need draft if the mold has ejector pins?
> --Bram
>
>
> Bram Lambrecht
> bram@cwru.edu
> www.bldesign.org
>
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