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Much4 - A printed version of the Laser V

Discussion in 'Laser Cutters' started by skarab, Jul 1, 2014.

Much4 - LaserV printed version

Much4 - LaserV printed version

Discussion in 'Laser Cutters' started by skarab, Jul 1, 2014.

By following the way of Robert Hummel, I drew a version of its exellent Laser V to use NEMA17 and easily printable parts.

Laser Plotter Much4
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  1. skarab

    skarab Journeyman
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    skarab published a new build:

    Read more about this build...
     
    #1 skarab, Jul 1, 2014
    Tinbasher likes this.
  2. Tweakie

    Tweakie OpenBuilds Team
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    Excellent work Skarab - a build to be proud of :thumbsup:

    Tweakie.
     
    #2 Tweakie, Jul 1, 2014
  3. Mark Carew

    Mark Carew OpenBuilds Team
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    Well done! love the way this turned out and how precise the cuts come out. I have to build one thank you for sharing.
     
    #3 Mark Carew, Jul 1, 2014
  4. winand

    winand Well-Known
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    Looks really clean, good job!
    Wondering what power the laser diode has?
    Engraving aluminium and glass is possible is see (or plexiglass?)
     
    #4 winand, Jul 5, 2014
  5. skarab

    skarab Journeyman
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    Thank you for your comments :)

    @winand no glass or aluminum, just engraving wood, pvc, plexiglass and cutting paper, stickers and tinkers materials.
    The diode is a "2W 445nm Blue laser module" from ebay. I just ordered a 3W diode to test.

    After a few hours of use, I recommend for more than 1W diode, active cooling of the laser module to avoid distorting the x-carriage.
     
    #5 skarab, Jul 6, 2014
  6. Tweakie

    Tweakie OpenBuilds Team
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    Just a note regarding personal safety here...

    Unless adequate precautions are taken (and they are quit extensive) laser engraving / cutting PVC, or any products containing PVC, can be extremely dangerous to our health (it does not do the machine any good either).

    Basically the laser beam will vaporise the PVC liberating Chlorine gas which will combine with the natural moisture in the air to produce a form of Hydrochloric Acid.

    The use of an adequate fume extraction system is always recommended when using lasers but please remember that unless specialist in-line filters are used you could be poisoning Bambi outdoors.

    Tweakie.
     
    #6 Tweakie, Jul 6, 2014
  7. skarab

    skarab Journeyman
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    #7 skarab, Jul 6, 2014
  8. Tweakie

    Tweakie OpenBuilds Team
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    Quite honestly, I do not know the answer to that question - I just avoid lasering anything containing PVC.

    (I currently use an 'activated charcoal filter' in my extractor which removes the smell of acrylic cutting very well - I did have a HEPA filter in-line as well but they are expensive to maintain (replace) so I am back to just using the charcoal now).

    Tweakie.
     
    #8 Tweakie, Jul 6, 2014
  9. winand

    winand Well-Known
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    Thanks for the info and the health tips :thumbsup:
     
    #9 winand, Jul 7, 2014
  10. Dat Chu

    Dat Chu New
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    Can I have some recommendations for what filter to get? Also, are the fume extractors simply tubes available from Home Depot?
    I notice that you have a bunch of 3d printed parts. Is the belt clamp in the skp file?
     
    #10 Dat Chu, Jul 21, 2014
  11. skarab

    skarab Journeyman
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    I do not have more information on this subject for the moment. But I think it depends on the type of material.

    All that you need is in DIY store.

    Yes, all parts are in the SKP.
     
    #11 skarab, Jul 22, 2014
  12. Mark Carew

    Mark Carew OpenBuilds Team
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    Quick question for you guys before I jump into building one of these. How does one determine the height of the diode from the cutting surface to get the best possible focus or at least to know that you are within the range of the focus for the diode?
    Thanks in advance
    Mark
     
    #12 Mark Carew, Jul 22, 2014
  13. skarab

    skarab Journeyman
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    Hi Mark, I have not make accurate test, but between 3 and 7 cm is ok with my diod. Probably a little more or a little less is ok too.
     
    #13 skarab, Jul 23, 2014
  14. Mark Carew

    Mark Carew OpenBuilds Team
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    #14 Mark Carew, Jul 23, 2014
  15. skarab

    skarab Journeyman
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    With a little thought, I would advise a Z axis .. it would be more comfortable.
     
    #15 skarab, Jul 23, 2014
  16. Robert Hummel

    Robert Hummel Custom Builder
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    Agreed and the three axis board should be done soon, I will send one your way :)

    Bin under the weather but bouncing back
     
    #16 Robert Hummel, Jul 23, 2014
  17. skarab

    skarab Journeyman
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    :D:thumbsup:
     
    #17 skarab, Jul 23, 2014
  18. Pokry

    Pokry New
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    Hi
    I need to cool the laser diode 2 W. Can you help me how to do it. Any ideas how to do it. Peltier, head sink?
     
    #18 Pokry, Aug 6, 2014
  19. Tweakie

    Tweakie OpenBuilds Team
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    A fan assisted heat-sink seems to be the preferred method by others currently using diode lasers.

    Tweakie.
     
    #19 Tweakie, Aug 7, 2014
    skarab likes this.
  20. Bedon292

    Bedon292 New
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    Love the build. I am planning one myself, and this has been a great inspiration.

    Did you have to fabricate all of the brackets yourself? Or were you able to locate them somewhere?
     
    #20 Bedon292, Aug 7, 2014
  21. skarab

    skarab Journeyman
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    Thank you :)
    Yes. All parts are 3d printed on my Lautr3k :) I am sure you will easily find a person to print them for you.
     
    #21 skarab, Aug 8, 2014
  22. Bedon292

    Bedon292 New
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    Yeah, I may have someone I can get to print the parts. I will have to play with the design some and see what I can come up with.

    Thanks.
     
    #22 Bedon292, Aug 8, 2014
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  23. alessandro

    alessandro New
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    Excellent build. Very good.
    Can you attach your STL files for the 3D printer?
    And a BOM?
    Thanks in advance
     
    #23 alessandro, Aug 14, 2014
  24. Pokry

    Pokry New
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    You can download Skechup. Open file the next tab in the browser windowe and find export file dxf or stl. In the second window that pops up you select stl and done.If the friend does not overtake me this evening I can add files.
    Sorry for my gramma.
     
    #24 Pokry, Aug 14, 2014
  25. GorillaBob

    GorillaBob New
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    FYI, I know someone that has 2 3d printers... I would need to see the stl or skp files to see what exactly is involved with the prints. Were the originals printed in ABS or PLA?
     
    #25 GorillaBob, Aug 14, 2014
  26. skarab

    skarab Journeyman
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    #26 skarab, Aug 16, 2014
  27. Allan Koch

    Allan Koch New
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    Beautiful design !, how do you attach the end pieces to the 20x20 V Slot rail.
    I am new to the 3D printer technique are you able to print the corner pieces with all holes or do you drill some of them afterwards ?
     
    #27 Allan Koch, Sep 26, 2014
  28. skarab

    skarab Journeyman
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    Tanks you @Allan Koch, but the main design is from @Robert Hummel.
    Yes all part is printed with all holes in place :) 3D print is magic ;)
     
    #28 skarab, Sep 27, 2014
  29. Allan Koch

    Allan Koch New
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    :) @skarab, interesting! you didn't answer my question, how the plastic end piece is attached in the middle of the 20x20 V slot rail, how do you fill up the big hole and make a thread in it ? :)
     
    #29 Allan Koch, Sep 29, 2014
  30. skarab

    skarab Journeyman
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    Sorry but I have not understand the question ... A photo will be easier to understand, I callback that I do not speak good English, sorry. 2014-09-30 06.48.45.jpg 2014-09-30 06.51.40.jpg
     
    #30 skarab, Sep 30, 2014
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