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Type: Posts; User: t3kboi

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  1. Re: CNC kit purchased - I have electrical questions.

    Thanks for the input.

    I read through the driver manuals, and they are current drivers, limited to 4A per phase, configured to max out at 3A per phase, per the motor spec.

    Sent from my...
  2. CNC kit purchased - I have electrical questions.

    Newb here.

    I bought a package off of ebay that came with a 36V power supply, and stepper drivers rated from 18-50VDC

    The 425 oz/in Steppers have the following specs:

    Part No.: ...
  3. Thread: PCNC 1100 Info

    by t3kboi
    Replies
    28
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    372

    Re: PCNC 1100 Info

    Newbie here - could you explain this a little for me? I (with very little experience) thought that my gibs needed to be as tight as possible while still allowing free movement - but your comment...
  4. Re: LMS 3990 / HeavyMetalCNC conversion - backlash problem.

    Update: I heard back very quickly from Bruce at HeavyMetalCNC, and he offered to redo the preload on the ballnut for me, so I am disassembling one more time....

    On the bright side, I can tear...
  5. Re: LMS 3990 / HeavyMetalCNC conversion - backlash problem.

    Thank you - In the HeavyMetalCNC kit, it comes with two 608 style ball bearings (axial, not thrust), and they don't have any detectable axial motion. The screw position is very rigid.
  6. LMS 3990 / HeavyMetalCNC conversion - backlash problem.

    LMS 3990 mill with the HeavyMetalCNC covnersion kit - but this isn't necessarily kit/mill specific


    (I have also asked HeavyMetalCNC for advice, but while I wait for a response, I though I would...
  7. Newb question about microstepping. LMS 3990 mill. Mach4

    I only need to have accuracy down to Half a Thou. .0005

    Doing some math - It looks like if I setup 1/2 microstepping with my particular setup - That will exactly equal this goal.

    So my...
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