28766Re: pattern making
- Oct 4, 2003The only foundry I saw finish the wood patterns used a varnish like
polyurethane. They used mahogony for the wood pattern and sanded it
to a smooth finish. Generally they used the wood pattern unfinished
to make up the production patterns out of metal.
--- In firstname.lastname@example.org, integerspin <richard@i...> wrote:
> I subscribed to this group for a while about six months ago.
> I didn't in fact do the castings I needed my self, I had a small
> foundry do them.
> I made an mdf pattern and have had about 20 of these items done so
> I am just altering the pattern prior to haveing another ten cast.
> Becuse i made the pattern without any undercut's I have to machine
> a lot off the casting, so I am removing what I can from the
> quicker to remove it onces than ten times?
> I wondered what people paint patterns with, I was talking to
someone at a
> landrover show and he said they use a 2pack floor paint on their
> brushed on it flows out like glass and is quite hard.. I didn't ask
> paint or where I get it though..
> I did look in 'Bodge it and Quick' they have a few types of paint
> sound promising, but i cant spend a tenner a can on a few types of
> hope it is ok...
> any ideas..
> thanks richard
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