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Thread: CNC router table, what next?

  1. #21
    Join Date
    Nov 2007
    Location
    Woodinville, WA
    Posts
    7,984

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    Make a pen with a spring tip - say 5-10mm travel. That way it make contact over a wide range of "z" without skipping.

  2. #22
    Join Date
    May 2011
    Posts
    888

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    Or just set the Z height to 12.7mm above the table. Slide a 123 block up against the tool bit. Move the bit 152.4mm. Verify the distance moved.

    A felt pen should get you within a millimeter or so. I do hope you'll need to meet better tolerances
    Last edited by elf; 09-13-2017 at 02:26 AM.

  3. #23
    Join Date
    Nov 2007
    Location
    Woodinville, WA
    Posts
    7,984

    Default

    The spring tip ball point pens work great on wood, but you need some positive pressure (so .. the "spring"). Traditional felt tips often simply run out of short term ink quickly. If you have nice really flat and flat smooth surface, many ideas will work. pens are great for when you want to engrave lettering but need to experiment with scale and layout, and of course for tool pathing. In my early days I used them.. not so much now; my eyeballs are better calibrated.

    Hey, we just reinvented the plotter!
    Last edited by lakeside53; 09-13-2017 at 11:07 AM.

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