Ian(s) and list,
You're absolutely correct about the dual material vacuum casting. I believe its
termed 'overmoulding'. We've had success with this process for a variety of
materials - we even had some success coating copper inserts.
Only problem with the process though is that you need two master patterns to go
forward to produce two silicon rubber tools. Ups the cost slightly, but is
worth it when you get your finished parts.
Allan.
Ian Campbell wrote:
> Dear Ian
>
> One of my students did some experimenting with dual material vacuum casting
> (with moderate success). I expect a similar process could be used to apply
> an elastomer-type material around a plastic insert.
>
> Best regards
>
> Ian
>
> Dr R Ian Campbell
> Senior Lecturer
> Dept. of Design and Technology
> Loughborough University
> Loughborough
> Leicestershire LE11 3TU
> UK
>
> Tel +44 (0)1509 228312
> Fax +44 (0)1509 223999
>
> For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
-- Allan E W Rennie Research Engineer Centre for Rapid Design and Manufacture Buckinghamshire Chilterns University College Queen Alexandra Road High Wycombe Bucks HP11 2JZ -------------------------------------------- Tel: +44 (0)1494 605085 Fax: +44 (0)1494 538593 Mob: +44 (0)7930 431469 Email: allan.rennie@bcuc.ac.uk --------------------------------------------For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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