RE: Short run tooling...with FDM ABS models

From: DAN DAVIS, RAPID PROTOTYPE (DANIEL@pmisd.proton.com.my)
Date: Wed Feb 11 1998 - 09:28:10 EET


Joseph,

You do mean investment casting wax (ICW), not ABS, right? ABS would
have a tendancy to expand and crack the shell more often than not. The
same problem SL had before QuickCast et al was developed.

Regards,
> Dan Davis
> Division Head, RP&M
> Perusahaan Otomobil Nasional Berhad (PROTON)
Hicom Industrial Estate
Batu 3 PO Box 7100
Shah Alam, Selangor D. E.
40918 MALAYSIA
> +60 3 515-3906 direct line
> +60 3 515-2380 direct fax
> +60 12 277-5770 hand phone
>
> ----------
> From: Innomation Systems & Technologies Pte
> Ltd[SMTP:istpl@singnet.com.sg]
> Sent: Wednesday, 11 February, 1998 8:15 PM
> To: Ian Gibson
> Cc: rp-ml@bart.lpt.fi
> Subject: Re: Short run tooling...with FDM ABS models
>
> hi Dr Ian,
>
> although i know you are talking about the SLA ..... you can request
> from
> Stratasys on some info on using the ABS models for investment casting.
> in
> fact, from the papers, we know that ABS after has been coated by the
> ceramics....burns off as a gas/vaporise leaving very little ash
> content in
> the ceramic shell.



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