[Fab] Laser cutter

Anthony C. Roberts anthony.c.roberts at gmail.com
Fri May 6 19:39:17 PDT 2011


The problem is that the focal length of the lens is too short to do that
kind of cut effectively.

On Fri, May 6, 2011 at 5:45 PM, Corey McGuire <coreyfro at coreyfro.com> wrote:

> Incomplete cut with 210-270 passes at 3ma power and 100% speed.
> Plywood fucking sucks.
>
> On 5/6/11, Corey McGuire <coreyfro at coreyfro.com> wrote:
> > 30 passes at 3ma.  Cut wider, but not much deeper.  Trying 100 passes at
> > 3ma.
> >
> > I have more cuts, so as soon as I get an idea for an approximate speed
> > and power setting, I will try one of the next cuts at that setting.
> >
> >
> > On 5/6/11, Corey McGuire <coreyfro at coreyfro.com> wrote:
> >> 60 passes at 1.5ma, not through.  Trying 30 passes at 3ma right now.
> >>
> >> Part of the problem, as I have experienced it, is the wood gets cooked,
> >> burnt, and won't cut readily anymore.  If anyone has other ideas, let me
> >> know.
> >>
> >> On Fri, May 6, 2011 at 9:05 AM, Corey McGuire <coreyfro at coreyfro.com>
> >> wrote:
> >>
> >>> I should say that cutting through the glue layers was messy, but trying
> >>> 50
> >>> passes instead of just 10 might be the solution.
> >>>
> >>>
> >>> On Fri, May 6, 2011 at 9:01 AM, Corey McGuire
> >>> <coreyfro at coreyfro.com>wrote:
> >>>
> >>>> I have had little success with plywood, but I have some ideas on what
> >>>> to
> >>>> do next.  I have some 3/16th's luan that I've tried before.  I'm going
> >>>> to
> >>>> make something a little less complex and try a new tact, soon.
> >>>>
> >>>> On Fri, May 6, 2011 at 8:54 AM, Dave Johnson
> >>>> <dave at chenerystreet.com>wrote:
> >>>>
> >>>>> Hello Fabbers,
> >>>>>
> >>>>> New guy here: I understand from a coworker that y'all have a largely
> >>>>> functional laser cutter...can it cut 1/4" plywood? 1/8"?
> >>>>>
> >>>>> If so, I'd love to come by, throw some dollars in the jar, and play
> >>>>> with
> >>>>> it a little. I'd probably want someone who knows their way around it
> >>>>> to
> >>>>> give
> >>>>> me an introduction, maybe I can arrange to meet somebody?
> >>>>>
> >>>>> I just finished my latest machine (see
> >>>>> http://www.youtube.com/watch?v=W7REmfZ6O5U) and after cutting all
> >>>>> those
> >>>>> gears on a scroll saw I'm ready for a computer assist :-)
> >>>>>
> >>>>> Thx,
> >>>>>
> >>>>> Dave
> >>>>>
> >>>>> _______________________________________________
> >>>>> Fab mailing list
> >>>>> Fab at lists.noisebridge.net
> >>>>> https://www.noisebridge.net/mailman/listinfo/fab
> >>>>>
> >>>>>
> >>>>
> >>>
> >>
> >
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