Re: [CAD_CAM_EDM_DRO] Re: CNC Injection Mold Machining

Is your laser a self built machine or a commercial unit. and what do you do
with it?

Victor

----- Original Message -----
From: "Randy Bachmann" <r.bachmann@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, May 23, 2003 10:02 AM
Subject: [CAD_CAM_EDM_DRO] Re: CNC Injection Mold Machining


> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Steve" <s.bromley@a...>
> wrote:
>
> > You sound like a cnc sales man talking to an engineer or ceo :)
>
> I have to laugh because I am neither a salesman or an engineer. I
> have a 2'x'4' laser in my garage shop and I am always looking for
> new production methods. I've contracted injection mold tooling
> though a local company and am trying to understand why the cost of
> tooling molds is so high. I don't think I am naive about the process
> I know a lot goes into making molds and tool makers are skilled at
> what they do, hence they are probably paid well. I've seen laser
> cutters for mold making but they have their limitations.
>
> Randy
>
> There is
> > still the problem of ejector pins, water lines (that need to be
> run in ways
> > that aren't that simple) sprues, gate drops, hot tips, slides,
> gibs, locks,
> > lifters..... and dozens of other little parts. Lots of molds are
> as complex
> > as a car motor and have as many moving parts as well as as many
> parts that
> > need to be heated and cooled. There is also the thing, that you
> really want
> > to make some parts of the mold out of one kind of steel and other
> parts out
> > of other kinds of steel.
> >
> > It's more automated then it was when I started and I'm sure
> will get more
> > automated. I don't see the day that you will be able to just throw
> two
> > blocks of steel into a machine and have it dump out finished
> molds. Not
> > production tools, maybe hand cast prototype stuff, that's
> basically there
> > now.
>
>
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