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Co2 Laser Cutter/Engraver Rotary Attachment

Discussion in 'Laser Cutters' started by pedrofernandez, Feb 4, 2019.

Co2 Laser Cutter/Engraver Rotary Attachment

Co2 Laser Cutter/Engraver Rotary Attachment

Discussion in 'Laser Cutters' started by pedrofernandez, Feb 4, 2019.

Vslot rail system at work again, laser cutter/engraver rotary device for cylindrical objects .

co2 laser cutter engraver k40 vslot
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  1. pedrofernandez

    pedrofernandez Journeyman
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    pedrofernandez published a new build:

    Read more about this build...
     
    #1 pedrofernandez, Feb 4, 2019
    leonardo roger likes this.
  2. Mark Carew

    Mark Carew OpenBuilds Team
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    Great job @pedrofernandez this looks really cool. I like how you have the freedom on this design to adjust one side up and down to allow for different bottle shapes.
     
    #2 Mark Carew, Feb 4, 2019
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  3. pedrofernandez

    pedrofernandez Journeyman
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    this was a half time show idea !!! that rotary is for the franken40 and will be attached to the z axis structure but removable not permanently fixed like the k40 cube, profile is tall in order to be able to engrave large beer mugs with handles cheers..
     
    #3 pedrofernandez, Feb 4, 2019
    Mark Carew likes this.
  4. CChico

    CChico New
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    Let me know how you like it when it's finished. I use a chuck rotary and I love it. A few months back I purchased a rotary off of eBay with a similar design but I found it to be too jerky, especially when the print job was done and the machine would reset to the home position, the glass would just end up flying. Could have just been me though but I returned it. When I'm done with the current build (oh so close) I'm planning on making my own chuck rotary.

    I went ahead and added a link to the eBay listing. Hey, who knows if it turns out good you could make some money selling those. @$245 each there is a nice profit margin.

    Co2 Laser Rotary Engraver cutter attachment works with K40 x700 and others! | eBay
     
    #4 CChico, Feb 6, 2019
  5. pedrofernandez

    pedrofernandez Journeyman
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    This is for the DSP controller, the one for the Cohesion board on the K40 Cube is all set and running with a dual stepper on series using GRBL-LPC 4 axis external driver firmware.
     
    #5 pedrofernandez, Feb 6, 2019
    CChico likes this.
  6. Satish Veda

    Satish Veda New
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    Hi Pedro,
    Very cool! A rotary Laser tool on a Laser cutter opens up so many more applications.
    Please keep us updated. Also, can you post a pic of the Yeti tumbler, that was worked on?
    It would be interesting to see the engraving detail. TIA.
    Regards,
     
    #6 Satish Veda, Feb 7, 2019
  7. pedrofernandez

    pedrofernandez Journeyman
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    Hi here is a test sample engraving over bare metal, using laserbond 100 yetitest2.jpg
    yetitest.jpg
     
    #7 pedrofernandez, Feb 8, 2019
    Mark Carew, GrayUK and Rick 2.0 like this.
  8. GrayUK

    GrayUK Openbuilds Team Elder
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    That looks great!
    I know very little about using lasers in reality, so it begs this question.
    I was thinking the other day about reflection? Do you not have to take care of any chance of reflection from the surface of, say, glass or similar?
    I know they do make a spray material for this sort of thing.
    Do you, or will you, be using something like that?
     
    #8 GrayUK, Feb 9, 2019
  9. pedrofernandez

    pedrofernandez Journeyman
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    Normally you want to protect your self more from the "welder flash" generated at contact with the material with this lasers than a reflection, but the machine is covered with acrylic sheet on the lid and all safety precautions are taken in mind, The product used for engraving the bare metal SS is called Laserbond, Cermark, and many other brands, even CRC dry moly lube from your local autoparts will work but as well
     
    #9 pedrofernandez, Feb 9, 2019
    GrayUK likes this.
  10. papashay

    papashay New
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    how can I build this?
     
    #10 papashay, Mar 26, 2019
  11. joe fel

    joe fel New
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    I would like to know what size belt and pulleys he used..............
     
    #11 joe fel, Jun 10, 2019
  12. pedrofernandez

    pedrofernandez Journeyman
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    Belts is a 200mm x 6mm close loop Gt2 pulleys are 2-40 teeth for 6mm belt ans one 16 teeth for 6mm belt 4-5x8x16 bearings a 8mm rod.
     
    #12 pedrofernandez, Jun 10, 2019
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  13. joe fel

    joe fel New
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    Could you please tell me the specs on the stepper motor I made a rotary but was not sure if the motor I have will effect the images. I got nema 17 1.8 degree 1.5a Could you please tell me what you used? Thanks in advance
     
    #13 joe fel, Jul 2, 2019
  14. pedrofernandez

    pedrofernandez Journeyman
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    It should work, what controller you have? pulleys combination, and type of belt?
     
    #14 pedrofernandez, Jul 3, 2019
  15. joe fel

    joe fel New
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    I bought the belt and pulleys you suggested...But it seems everywhere I am reading about the steppers for the lasers they all are 0.9 degrees and I did build the rotary but it when I do something the artwork is distorted like a circle will be an oval... Any suggestions I am using the K40 with Corelaser....? Thanks for getting back to me so fast
     
    #15 joe fel, Jul 3, 2019
  16. pedrofernandez

    pedrofernandez Journeyman
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    I use different type of controllers that allow me to change the step pulse configuration, in the case of your stock K40 M2 Nano controller that is not posible, even using a 0.9 Deg motor will cause distortion unless your round object circumference is perfectly match to the controller configuration, so you will need to distort you graphic in order to have a good result, my suggestion for you is to upgrade your machine controller with a Cohesion laser board that it is a drop in replacement for the M2 Nano and get Lightburn software, the good thing about, it is the dedicated extra stepper driver for a rotary axis and be controlled via the software, some people find the laser board a bit over price but it worth the change, also the firmware is very easy to edit and make your rotor work like a charm.
     
    #16 pedrofernandez, Jul 3, 2019
  17. 3DPTR

    3DPTR New
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    Where did you get the main drive wheels?
     
    #17 3DPTR, Jul 15, 2019
  18. Randy Alexander

    Randy Alexander New
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    Do you offer the plans to build this, i.e. 3D parts or drawings?
     
    #18 Randy Alexander, Aug 19, 2019
  19. Giarc

    Giarc OpenBuilds Team
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    I see lots of questions here. Although no apparent info on the rotary axis, I noticed on his machine the website Welcome to Franken 40 Build Project - DIY K40 Laser where there is a ton of detail on the rest of the build. Good stuff! I can't wait to modify my K40.
     
    #19 Giarc, Sep 8, 2019
  20. pedrofernandez

    pedrofernandez Journeyman
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    ill post laser cut dxf files for this
     
    #20 pedrofernandez, Sep 11, 2019
  21. Prometheus

    Prometheus New
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    Any update on the files for this build? Interested in the STL files for those drive wheels also as it seems all of us are ;) GREAT build!
     
    #21 Prometheus, Sep 21, 2019
  22. pedrofernandez

    pedrofernandez Journeyman
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    Hello guys Im working in a design change ill post it this week

    thanks
     
    #22 pedrofernandez, Sep 21, 2019
    Giarc likes this.
  23. Neil Rosenberg

    Neil Rosenberg Journeyman
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    Very interesting design, I hope the files are soon to be uploaded. Eager to try it!
     
    #23 Neil Rosenberg, Sep 24, 2019
    Last edited: Sep 24, 2019
    Prometheus likes this.
  24. Matthew King

    Matthew King New
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    Fantastic build! One question I have, did you print the end plates or purchase them? I'd love to build this but don't have a 3D printer (currently).
     
    #24 Matthew King, Sep 28, 2019
  25. pedrofernandez

    pedrofernandez Journeyman
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    laser cut 1/4 in acrylic plates files and final design soon will be posted
     
    #25 pedrofernandez, Sep 28, 2019
  26. Cyberned

    Cyberned New
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    What are the main drive wheels called. I'm trying to see where I can get some to try this out.
     
    #26 Cyberned, Oct 11, 2019
  27. pedrofernandez

    pedrofernandez Journeyman
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    Hi Im on the process of making a video how to to design them for 3d print them, also an stl file will posted IMG-1830.JPG IMG-1831.JPG IMG-1832.JPG IMG-1833.JPG IMG-1834.JPG IMG-1836.JPG
     
    #27 pedrofernandez, Oct 11, 2019
  28. Cyberned

    Cyberned New
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    Thanks for the update. Would you provide the size of the O-Rings used in your video?
     
    #28 Cyberned, Oct 11, 2019
  29. pedrofernandez

    pedrofernandez Journeyman
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    you will need this
    uxcell O-Rings Nitrile Rubber, 40mm Inner Diameter, 50mm OD, 5mm Width and
    uxcell O-Rings Nitrile Rubber, 15mm Inner Diameter, 25mm OD, 5mm Width for the free wheels

    the pulley used is
    60 teeth Aluminum Bore 8mm GT2 Timing Pulley for 6mm Width belt
     
    #29 pedrofernandez, Oct 12, 2019
  30. Cyberned

    Cyberned New
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    any time line for releasing the STL file?
     
    #30 Cyberned, Oct 14, 2019
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