[sudo-discuss] giant laser for the robot

[Adam Munich]

1064nm, 808nm or 975nm?

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On Thu, May 19, 2016 at 12:55 PM, Jake <jake at 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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>>
>> Weblog: http://adammunich.com
>> Cell: +1-650-452-0554, M-F 10a - 8p PST
>>
>> PGP Public Key: https://pgp.mit.edu/pks/lookup?search=adam+munich
>>
>>
>> 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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>>>
>>>
>>>
>>>
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>>
>