[sudo-discuss] giant laser for the robot

[Adam Munich]

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 at 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 at 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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