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  1. #51
    Yes Neil, here is the reason:
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  2. #52
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    So close to the end - Home/Limit X sensor (showing pick up blocks)

  3. #53
    Working on Z plate. Many problems with low profile rails - will never buy them again. Original plan was to use 5M belt rather than RM14 ballscrew
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  4. #54
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    All tested - managed to smashed X axis sensor (was sticking out too much and hit the target, another one was flickering when close to target - cheap Chinese sh***t - cost me time replace)
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    Last edited by Tom J; 05-06-2016 at 03:05 PM.

  5. #55
    Black oxide kit used to blacken the steel parts - mostly mild or bright steel

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    Now everything strip down for painting

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    I use body filler to cover imperfection
    Already lost patience and final result not brilliant
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  7. #56
    Final look
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  8. #57
    Looking good Tom.. . . . Now it's time to get dirty. .

  9. The Following User Says Thank You to JAZZCNC For This Useful Post:


  10. #58
    Quote Originally Posted by Tom J View Post
    Final look
    Is the inductive sensors good for this?
    Why did slow down the steppers?

  11. #59
    Nice build Tom.
    Thanks for posting
    Mike

  12. The Following User Says Thank You to mekanik For This Useful Post:


  13. #60
    I do not recommend Chinese sensors, few of them failed before I finish calibration (one I managed to smash)
    I tried 2mm and 4mm seems to be no difference in accuracy. I wanted to improve accuracy for homing but there is no difference with decent omron mechanical switch - wasted money in my case.
    I use Z18 and Z20 pulley which gives 0.8 gear ratio. Machine mend to mill alloy, so do not need super speed 1400mm/min at 64 microsteps. Might change setting when start cutting P6 alloy or similar.
    I use Digital drivers DM 542 - thanks Jazz for advise, much better, smooth, quiet run.
    I am not happy with this usb card
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    I lost soft limit function over the night without touching anything - was ok, and now machine is in limit but message says that is out - you can not win.
    Homing was ok, now every axis trigger home and have to be reset to do another axis till all done.
    Reset has to be pressed twice, so often. I think to come back to DOB 25 and LPT port.

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