T clarify, I was speaking of the question Rafael Santillan asked and was referring to the
problem with using his silicone mold he had made from a wax pattern. I was not referring
to Bruce's process or parts.
Glyn Churchman wrote:
> To add to Bruce's previous posting:
> As noted, the process works fine but your problem will be that the parts you cast in
> this silicone mold
> will be too small unless tolerances don't matter. Wax shrinks quite a bit.
> Many waxes will work but to get consistent dimensional results you must have good
> of the injecting pressure, temperature of the wax and temperature of the mold-- just as
> injection molding of plastics. Depending on your part configuration some waxes may be
> brittle or too soft.
> Glyn@Prototech, Inc.
For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
This archive was generated by hypermail 2.1.2 : Tue Jun 05 2001 - 22:51:52 EEST