[Lab] laser thought about bed

[Darcy Whyte]

but where can I get that honeycomb on the cheap?









On Sat, Sep 10, 2011 at 11:57 AM, Andrew Plumb <andrew at plumb.org> wrote:

> You're going to get a lot more localized thermal effects every time the
> laser strikes a wire, which would also be under tension to be flat enough.
>  I don't think they'd last very long; stick with a more rigid grid like the
> artengine cutter's.
>
> Andrew.
>
> On 2011-09-10, at 11:31 AM, Darcy Whyte wrote:
>
> >
> >
> > My current plan for my own laser is to make the cutting bed as follows
> (the place where the material being cut will rest).
> >
> > Make the frame from extruded aluminum. Then drill lots of holes along it
> and string very fine music wire (perhaps .020"). This will form a grid
> (perhaps an inch pitch) on which the material can rest.
> >
> > Can anybody come up with a reason I should not do it that way? My main
> concern is what will happen when the laser strikes the .020 on a regular
> basis.
> >
> > ArtEngine laser has a honeycomb square bed which is very thin metal and
> is structural because of the honeycomb structure. My machine will be cutting
> mainly balsa which is very light so the structure isn't a concern. I can
> always beef up for other jobs.
> >
> > Thots?
> >
> > _______________________________________________
> > Lab mailing list
> > Lab at artengine.ca
> > http://artengine.ca/mailman/listinfo/lab
>
> --
>
> "The future is already here.  It's just not very evenly distributed" --
> William Gibson
>
> Me: http://clothbot.com/wiki/
>
>
> _______________________________________________
> Lab mailing list
> Lab at artengine.ca
> http://artengine.ca/mailman/listinfo/lab
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://artengine.ca/pipermail/lab/attachments/20110910/ab294ed9/attachment.htm>