It took them a couple of hours before they had
the piece in cured epoxy resin. I dont know about
the 3D CAD drawings.
Thomas
Steven Harvey wrote:
> In 1990 at the International Machine Tool Show (IMTS) I saw a Japanese
> company that used 3D CAD inputs into their equipment and produced an entire
> Chevy 327 engine The machine is a molten bath of wax and a laser moves
> across the top surface and fires at the X, Y and Z axis position on command.
> It made the headers out of wax complete with I.D. and O.D. dimensions
> perfect. It took the machine less then one week to build all of the engine
> components. This process took many months in the past and the cost saving is
> incredible. How long did it take the Opel people to produce their dashboard?
>
> Steve Harvey
>
> ----- Original Message -----
> From: "Thomas - Sweden" <csp311@telia.com>
> To: <jross@corporatemontage.com>; <datsun-roadsters@autox.team.net>
> Sent: Tuesday, December 10, 2002 5:23 AM
> Subject: Re: So, ya wanna build an engine?
>
> > I have seen Opel (GM Europe) have something
> > that transfer 3D CAD-drawings to some laser/resin
> > machine that can make any part they want. On
> > TV they made a dashboard design from first drawing
> > to a finished prototype for evaluation.
> >
> > Cylinder heads should not be as complicated as the
> > engine block. If making a new U20 head why not do
> > the FIA-head but with slightly smaller ports.
> >
> > Thomas
> >
> > James Ross wrote:
> >
> > > What a project. I saw a show on telly (tv) about a month ago that a
> > > german company was using medical MRI equipment coupled with laser/resin
> > > prototyping technologies to make rare copies of engine components. You
> > > don't have to cut the thing up to make measurments. But might be
> > > difficult to get a referal from the doc for an engine block though.
> > >
> > > I'm guessing at about AUD$100k. I guess originality is imortant since
> > > only 6 blocks were ever made, 5 left i guess.
> > > James
> > >
> > > Thomas - Sweden wrote:
> > > > I found this very interesting but why not make the
> > > > engine block with "wet" cylinder liners? Unless
> > > > originality is an issue of course. They had to make
> > > > offset connecting rods for the big bore block as
> > > > cylinder spacing is different. Lot's a work!!!
> > > >
> > > > Thomas
> > > >
> > > > Gordon Glasgow wrote:
> > > >
> > > >
> > > >>Good Lord, what a project! Any moldmakers out there who want to do U20
> cylinder
> > > >>heads?
> > > >>
> > > >>Gordon Glasgow
> > > >>Renton, WA
> > > >>
> > > >>
> > > >>>-----Original Message-----
> > > >>>From: owner-datsun-roadsters@autox.team.net
> > > >>>[mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of datsunmike
> > > >>>Sent: Sunday, December 08, 2002 5:25 PM
> > > >>>To: Steve & Virginia; Rich Glass; Mike Jennings; Joe Curto; Datsun
> > > >>>Roadster List; Bill Strohm
> > > >>>Subject: So, ya wanna build an engine?
> > > >>>
> > > >>>
> > > >>>Check this out.
> > > >>>
> > > >>> http://www.acmefluid.com.au/larry/dmd1.html
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