Re: [CAD_CAM_EDM_DRO] Re: 3D Printer

>Chris,
>
>Do you have more info on the UV-curing PU-glue, availibility, price,
>curing time, viscocity etc. Basicly a company that sells the stuff so
>I can dump them with questions.
>Thanks
>
>Hugo
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Chris L <datac@l...> wrote:
> >
> >
> > "Ian W. Wright" wrote:
> >
> > >
> > > This is a fascinating subject - especially as I'm just playing
>around with
> > > the Gingery design for an injection moulding machine which is,
>itself,
> > > basically a big glue gun for plastic! The biggest problem would
>seem to be
> > > the regulation of droplet size but perhaps you could use a kind
>of cylinder
> > > and plunger but with some form of solenoid to tap the top of the
>plunger and
> > > make it squirt a 'standard sized' drop of wax out of the nozzle.
> >
> > Exactly, but you know, I've Got it ! You can find "metered
>dispensers" on E-bay once in a while. You need to use really thick UV
>cure urethane. The UV cure stuff is one part so the dispenser does not
> > have to mix for one thing, AND under UV light, the stuff sets up
>like Pronto ! The metered pump can deliver the little Fly poop size
>dots you need to build up an object.
> >
> > This UV cure product is the same stuff you see on these little
>badges and tags. Lot's of you have them in that little square hole on
>the front of your PC tower. Smooth, curved..... Ok. here's another
> > place youve seen it, The "NEON" label of a Dodge Neon. The
>companies that make those things drop a fixed amount on top of
>graphics with pick and place type equipment. It flows to the edge and
>they Nuke
> > It with UV.
> >
> > I've done this stuff with two part urethane right on top of vinyl
>Graphics ( I got one of them cutters too). Takes about 15-20 min to
>set up though and it is real fussy for humidty and temp. Almost
> > need a clean room.
> >
> > But, I think the UV cure stuff is the ticket.
> >
> > Homebrew Rapid Prototyping here we come.
> >
> > Chris L
>
>
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