[Swansea Hackspace] Laser cutting plywood
David Davies-Day
djdavies83 at hotmail.com
Thu Jul 6 17:15:19 BST 2017
Awesome inkscape plugin for laserdrw used by the cutter, takes care of separate files for each pass/engrave or cut.
https://youtu.be/7kZaHvAZel8
I've not used it yet but this would have been so much easier for when I made Dr Who buttons for my father, it didn't exist back then.
No animals were harmed in the making of this email. However, several thousand electrons were severely ienced.
-------- Original message --------
From: Justin Mitchell <justin at swansea.hackspace.org.uk>
Date:2017/07/06 4:02 PM (GMT+00:00)
To: hackspace at swansea.hackspace.org.uk
Cc:
Subject: Re: [Swansea Hackspace] Laser cutting plywood
On Thu, 2017-07-06 at 13:34 +0000, Aled wrote:
> I need to cut some shapes out for a kids party, I need to do a bunch
> the same do I thought the laser cutter would be the easiest way to do
> it. Does anyone know vwhat thickness of ply the laser cutter can cut
> cleanly? (3mm should be enough)
The thicker the wood the slower the cut, i think the record on that
machine is 10mm or so, which was done in multiple passes.
> and does it need void free birch ply
> or will any old plywood do?
There are many debates about this online, from what i can work out its
mostly about quality of finish, that any internal knots or voids can
affect the cut.
I have also seen it mentioned that exterior grade ply is best avoided,
as some use nasty chemicals in the glues.
> Also can it engrave and cut in one operation?
Kind of, you can queue up multiple operations/passes with different
settings, but it is a bit of faff and usually easier just to do it
yourself.
save each pass as a separate file with the same document size, then
when you load each one it should all line up.
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