RE: Spray Metal Tooling

Date: Mon Nov 23 1998 - 13:43:29 EET

Here at Rover Group Rapid Prototyping & Tooling we have successfully
sprayed zinc alloy onto the following stereolithography resins with no
warpage (obviously, spraying higher temperature materials can lead to
distortion of the pattern!):-
SL 5149, SL 5170, SL 5180, SL 5190, SL 5195, SL 5410, Somos 7120
If you would like to discuss the problems you have encountered, please
contact me.
Joel Segal

Joel Segal - Project Engineer
Rapid Prototyping & Tooling
Rover Group
3rd Floor ATC
University of Warwick
Coventry CV4 7AL
TEL +44 (0)1203 524907
FAX +44 (0)1203 524878

-----Original Message-----
From: emurphy
Sent: Friday, November 20, 1998 2:26 PM
To: rp-ml
Cc: emurphy
Subject: Spray Metal Tooling

Hello All,

I would like to know if anyone has had problems using SL patterns built
with Ciba 5170 resin.

We recently built a spray metal tool using a pattern from this resin.
experienced some warping while applying the spray metal. We think that
resin is possibly out-gassing.

Any comments or suggestions would be appreciated.
Erik Murphy

Harrington Product Development Center

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