Re: [CAD_CAM_EDM_DRO] Re: CNC and Welding Polyethelyne

Bill,
No I have not visited any shops. I'm not looking to weld sheets together, but like Seal-A-Meal, expect I want the welding head attached to XYZ CNC control.
Thanks for the lead.
Best Regards
Hans W

Bill Higdon wrote:

> Hans,
> I remember watching somone hand weld up a Poly RV holding tank many
> years ago, the gun used a hot air blast and a rod of the same type of
> material as used to make the tank. If you haven't been to a couple of
> shops that do this work you might want to do so for Ideas.
> Bill HigdonHans Wedemeyer wrote:
> > Thanks for info.
> > Airplane wing cutting is relatively simple using a hot wire to "cut" foam. I need to Weld. which is a different issue.
> >
> > The CNC part is not a problem, I will write my own program for it.
> >
> > I need idea's on welding head design.
> > So far suggestions are :
> > Hot Air Gun and Laser.
> >
> > Best regards
> > Hans W
> >
> > "ballendo " wrote:
> >
> >
> >>Hans,
> >>
> >>Your application seems similar to the foam cutting of wing cores done
> >>by model airplane enthusiasts. They also have to control the heat in
> >>a wire, while also moving four steppers...
> >>
> >>If you search on foam wing cutting, you should turn up a French site
> >>with good info, called cnc.net or some such. There is software,
> >>wire "heat" control circui and board, machine axes, etc., there. A
> >>German site/product called Step4 may have additional info and insight.
> >>
> >>Good luck,
> >>
> >>Ballendo
> >>
> >>--- In CAD_CAM_EDM_DRO@yahoogroups.com, Hans Wedemeyer <xyz@h...>
> >>wrote:
> >>
> >>>Soon I hope to get started on a project to weld Polyethylene sheet
> >>
> >>(6-10 mil) using CNC to control the welding head.
> >>
> >>>The CNC part is no problem. Does anyone have and information on
> >>
> >>designs for a head to weld Polyethylene sheet ?
> >>
> >>>Playing with a simple heat wire stripper I'm able to get string
> >>
> >>welds but soon realize I need to control the heat and keep the
> >>welding head moving.
> >>
> >>>Any tips or links would be welcome.
> >>>
> >>>Best Regards
> >>>Hans W
>
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