Re: [sudo-discuss] giant laser for the robot

1064nm, 808nm or 975nm? - - - - Begin automatically generated footer - - - - 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 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. >> >> - - - - Begin automatically generated footer - - - - >> >> 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(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 >>>>> >>>> _______________________________________________ >>>> sudo-discuss mailing list >>>> sudo-discuss(a)lists.sudoroom.org >>>> https://sudoroom.org/lists/listinfo/sudo-discuss >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> sudo-discuss mailing list >>> sudo-discuss(a)lists.sudoroom.org >>> https://sudoroom.org/lists/listinfo/sudo-discuss >>> >> >