[Blabber] small scale Red Laser cutter

Matt Lynch njdevil at gmail.com
Thu May 9 19:19:09 UTC 2013


That's kind of what I was thinking, thus the inquiry.
But Im also considering a bed covered in Non-Reflective spray paint to
further reduce any possibility of reflections.


On Thu, May 9, 2013 at 3:14 PM, Ben S <ben.sugimori at gmail.com> wrote:

> So you were asking about the (among other things) eye-protection shielding?
>
> The German site you linked says that their plexiglas shield absorbed none
> of the laser radiation, so they replaced it with blue.
>
> I can't imagine that would last very long, if there are lots of
> reflections shooting that way. It would be better if you had something like
> those glass colored filters that's mirrored in the opposite wavelengths of
> (for Red, it would be Green & Blue - RGB!).
>
> BenS
>
> On May 9, 2013, at 15:08, Matt Lynch <njdevil at gmail.com> wrote:
>
> Ive already got a Prusa Mendel and have previously adapted it to CNC
> milling so I figure the best way would be to just make a new adapter for a
> red laser and use the existing RAMPS board to control the movement.
>
>
> On Thu, May 9, 2013 at 3:05 PM, Ben S <ben.sugimori at gmail.com> wrote:
>
>> Matt,
>>
>> How's this?
>>
>>
>> http://www.amazon.com/Silhouette-SILHOUETTE-PORTRAIT-Portrait/dp/B009GZUPFA/ref=sr_1_8?s=arts-crafts&ie=UTF8&qid=1367938732&sr=1-8&keywords=electronic+cutting+machine
>>
>> You could just replace the blade with a good diode laser if you need one,
>> or it may be enough.
>> There are different sizes and cheaper options.
>>
>> BenS
>>
>> On May 9, 2013, at 14:23, Matt Lynch <njdevil at gmail.com> wrote:
>>
>> Hey guys,
>> Ive been doing some research into a small Red Laser (~300mW) cutter and I
>> think I need one for my current project...  Im trying to cut paper and Im
>> just not getting the resolution or accuracy I need with scissors (possibly
>> due to an overwhelming lack of coordination & dexterity).  Plus I can more
>> accurately and more efficiently program Python to generate GCODE to run a
>> cutter.
>>
>> I was wondering if anyone had any opinions, suggestions or
>> recommendations?
>>
>> Do I need scientific-grade diffraction grating glass or will Red
>> (stained) Glass or Red (transparent) Acrylic safely abate/diffuse the Red
>> laser?
>>
>> Here's some Instructables and documentation I was considering:
>> http://www.instructables.com/id/Pocket-laser-engraver/
>> http://der-frickler.net/technik/lasergravierer (nur auf Deutsch, only in
>> German)
>>
>>
>> matt
>>
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