Re: How to smoothen a laminated dies`surface?

From: Professor P M Dickens (
Date: Wed Jun 10 1998 - 10:50:29 EEST

Will try to help but need some information first:
Please could you let us know the sheet thickness as this largely
determines the step size, also the largest 'cusp' height. What are the
sheets made from? What surface roughness are you aiming for? What is
your smallest feature size?

Professor Phill Dickens
De Montfort University

Axel Selk wrote:
> Hello list members,
> at the BIBA (Bremen Institue of Industrial Technology an Applied Work
> Science at the
> University of Bremen) we are testing sheet metal forming dies made by
> Rapid Prototyping
> Technologies.These dies are tested on a rubber pad forming press.We´ve
> got a laminated
> die which consists of mounted sheet blanks. In order to smoothen the
> dies´surface we tried
> to putty it with a polyester putty and finished it by grinding. But this
> material peels off the die
> after some draws. Now we are looking for a sufficient material and a
> usable method of
> puttieing the die.
> Has anybody gained experiences on this field?
> Please, contact us, if you know a certain method or material in order to
> smoothen the
> surface.
> kind regards
> Axel Selk
> BIBA Bremen ,Hochschulring 20, 28359 Bremen
> Phone: +49 (0)421-218-5542 Fax: +49 (0)421-218-5510
> For more information about the rp-ml, see

For more information about the rp-ml, see

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