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Thread: A Desktop CNC by David A

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  1. 05-20-2024, 02:25 AM #61
    davida1234
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    Re: A Desktop CNC by David A

    Best to tram the machine now before all support equipment is installed.

    Due to spindle weight upfront, carriage will want to lean forward.
    Use the tram tool to pull back and adjust fore and aft.
    Use the large cross brace to adjust left to right.
    Needed just very minute adjustments.

    Attachment 505710

    Attachment 505712

    Click image for larger version.  Name: 013.jpg  Views: 1  Size: 99.2 KB  ID: 505714
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  2. 05-21-2024, 04:11 PM #62
    davida1234
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    Re: A Desktop CNC by David A

    Install rear bracket on the carriage for the drag chain.

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  3. 05-21-2024, 04:15 PM #63
    davida1234
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    Re: A Desktop CNC by David A

    Drag chain installed.

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  4. 05-21-2024, 04:21 PM #64
    davida1234
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    Re: A Desktop CNC by David A

    Install ball screw support onto gantry beam.

    Attachment 505788

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  5. 05-22-2024, 04:24 PM #65
    davida1234
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    Re: A Desktop CNC by David A

    Place rotating ball nut set onto X carriage.

    Attachment 505830
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  6. 05-22-2024, 04:26 PM #66
    davida1234
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    Re: A Desktop CNC by David A

    Set installed.

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  7. 05-22-2024, 04:28 PM #67
    davida1234
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    Re: A Desktop CNC by David A

    Install front brace.

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  8. 05-22-2024, 04:30 PM #68
    davida1234
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    Re: A Desktop CNC by David A

    And the back brace.

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  9. 05-22-2024, 04:42 PM #69
    davida1234
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    Re: A Desktop CNC by David A

    Right side bracket and ball screw clamp.

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  10. 05-22-2024, 04:44 PM #70
    davida1234
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    Re: A Desktop CNC by David A

    And the left side ball screw support.

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  11. 05-23-2024, 03:31 PM #71
    Texasbowhunter
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    Re: A Desktop CNC by David A

    Heck of a job...And your game plan with the drawings are second to none...paul
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  12. 05-23-2024, 03:58 PM #72
    davida1234
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    Re: A Desktop CNC by David A

    Thanks Paul, I really appreciate your support.

    The design with rotating ball nut drives has evolved over 5 years with several prototypes.
    Stay tuned, a lot more to come......
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  13. 05-23-2024, 04:09 PM #73
    davida1234
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    Re: A Desktop CNC by David A

    .

    With all carriages and rotating ball nut drives installed, the mechanical portion of the machine is finished.

    Finishing up a few remaining details.
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  14. 05-23-2024, 04:25 PM #74
    davida1234
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    Re: A Desktop CNC by David A

    Y/A sensor installed.

    Attachment 505866
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  15. 05-23-2024, 04:27 PM #75
    davida1234
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    Re: A Desktop CNC by David A

    X sensor installed.

    Attachment 505872
    Attached Thumbnails Attached Thumbnails 002.jpg   003.jpg  
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  16. 05-23-2024, 04:34 PM #76
    davida1234
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    Re: A Desktop CNC by David A

    And the Z sensor installed.

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  17. 05-24-2024, 03:24 PM #77
    davida1234
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    Re: A Desktop CNC by David A

    Install front drag chain shelf bracket for the Y/A axis.

    Attachment 505914



    Push in aluminum angles into slots of bracket.
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  18. 05-24-2024, 03:26 PM #78
    davida1234
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    Re: A Desktop CNC by David A

    Repeat on the other end.

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  19. 05-24-2024, 03:32 PM #79
    davida1234
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    Re: A Desktop CNC by David A

    Install bolt.

    Attachment 505920
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  20. 05-24-2024, 03:35 PM #80
    davida1234
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    Re: A Desktop CNC by David A

    Snap on mounting plate onto bolt.
    Make sure it can rotate freely on the bolt.

    Attachment 505922
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