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Thread: Some gears and testing for laser-ablating and -marking ...

  1. 03-08-2017, 13:03 #1
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    VDX
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    Default Some gears and testing for laser-ablating and -marking ...

    ... my latest (semi-comercial) project is a fiber-laser armed galvo-scanner used for "local ablating" of metal surfaces.

    The core project isn't open, but I can show some images and videos of the common parts ...


    - for a fast provisoric fixation of the fiber-laser head -- construction of a "3D-LOM-part" in Corel and export as HPGL:

    Faserlaserhalterung-Corel.jpg


    - lasercutting the LOM-slices from ply-wood with a blue 3,5W-diode-module:

    Faserlaserhalterung-gelasert.jpg


    - assembled/stacked the slices and inserted holder for the collimator-head:

    Faserlaserhalterung-fertig.jpg


    - mounted galvo-head:

    Faserlaserhalterung-montiert.jpg


    - a video showing some testing on a piece of iron sheet:

    https://vimeo.com/207474893


    Viktor
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  2. 03-30-2017, 06:50 #2
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    ... tested stripping black paint (development for cleaning metal surfaces):

    https://vimeo.com/210773147


    The result: - on the left a black tile -- on the right the black painted aluminum sheet (Dibond)

    Ergebnis.jpg


    Viktor
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  3. 04-02-2017, 17:25 #3
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    what kind of laser wavelengths power....
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  4. 04-03-2017, 00:05 #4
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    ... this was done with modulated CW-fiberlasers - 85Watts max power in the first post and 60Watts in the second, modulated with up to 500kHz, spot sizes around 30 microns ...

    Hope to get a pulsed fiberlaser soon, with 20Watts averaged and 80 Kilowatts peak power -- should bite a bit more "agressive" in the material

    Viktor
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  5. 04-20-2017, 10:29 #5
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    ... actually assembling a more "professional" looking marking laser for an exhibition on saturday -- will post some more images and videos of the results later on ...

    gieMARC-Aufbau1_seite.jpg

    gieMARC-Aufbau1_front.jpg

    gieMARC-Aufbau2.jpg


    Viktor
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  6. 04-21-2017, 13:10 #6
    gn3481
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    Beautiful work !
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  7. 04-21-2017, 23:23 #7
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    ... thanks! - here a first image of the booth

    Stand-Aufbau.jpg

    Viktor
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  8. 04-22-2017, 08:43 #8
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    Very cool build, Viktor! That would be a fun tool to have around.

    -David
    "Help, help, I'm being repressed!"
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  9. 04-22-2017, 16:13 #9
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    ... yes, some others thinks the same

    Stand-Aufbau2.jpg


    ... and here some of the "online" results:

    Beamy.jpg

    Schaltbox.jpg

    Viktor
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  10. 04-23-2017, 13:15 #10
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    ... and a video

    https://vimeo.com/214409447

    Viktor
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