19 May
2016
19 May
'16
1:07 p.m.
1064nm, 808nm or 975nm?
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On Thu, May 19, 2016 at 12:55 PM, Jake <jake(a)spaz.org> wrote:
i was planning to just make an opaque, hinged privacy
temporary-wall for
when the robot is doing something dirty like that. It will help with
ventilation too, which is a bigger problem than arc flash with the plasma
cutter.
but a plasma cutter is such an awesome tool, i think it's totally worth the
annoyance of having to make it safe for puny humans.
-jake
On Thu, 19 May 2016, Adam Munich wrote:
You wont find an NIR blocking plastic curtain,
unless it's black vinyl.
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On Wed, May 18, 2016 at 11:41 PM, Patrik D'haeseleer <patrikd(a)gmail.com>
wrote:
Cool! Do you have a model number on there somewhere?
I assume this will be an IR laser if it's a diode array. So if we get a
safety curtain, we'll need one that can block both UV from the plasma
cutter, and IR from the laser. Ditto for safety goggles. I assume that's
feasible, although likely a little harder than protecting against just
one
of those.
Patrik
On Wed, May 11, 2016 at 1:58 PM, Jake <jake(a)spaz.org> wrote:
I forgot to include this link:
http://www.idacontrol.com/articles.php?nid=10
and a picture of the laser:
http://i.imgur.com/eXwf7Lo.jpg
I looked it up and to put out 75 watts of laser power, we should
probably
feed in about 187 watts, or 2.5 times as much DC power in. That means
we
need 112 watts of cooling with the liquid path.
we can put sonar sensors on the front of the laser so we can pre-focus
it
by distance while preparing works to be cut.
-jake
On Wed, 11 May 2016, Jake wrote:
> we got a giant laser for the robot. This will allow it to cut things
> precisely for us, even if they're really large.
>
> of course to do this we'll have a safety interlock to prevent use by
> untrained people, and we'll have a safety curtain or folding wall to
> deploy
> around the robot while the laser is enabled, so nobody can accidentally
> see
> the light coming from it.
>
> I don't know the wavelength of the laser, but it's a giant laser diode
> array with a lens on the end, and it has a water cooling jacket, and i
> think
> i was told it's a 75 watt laser. we do have a way to power it.
>
> if anyone wants to get involved with playing with this, please let me
> know. I think we could get it to the point where it could cut through
> some
> serious stuff, and the extremely large work area of the robot is a big
> deal.
>
> -jake
>
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