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Type: Posts; User: davida1234

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    Re: A Desktop CNC by David A

    Oh, I didn't realize that. You buy the Pixelmator and you own it. With Photoshop, you pay a subscription forever. But I think there is a basic version of Photoshop you can buy.
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    Re: A Desktop CNC by David A

    Hi Peter, I use an app called Pixelmator Pro for the graphics but you can do the same with Photoshop as well.

    In a nut shell, you create different layers which are stacked on top of each other.
    ...
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    Re: A Desktop CNC by David A

    I have a set of 23 sized ClearPath servos so I will use them.
    For steppers, you can use larger pulleys for higher speeds.

    Servo installed.

    505390

    505392
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    Re: A Desktop CNC by David A

    And the second one.

    505388
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    Re: A Desktop CNC by David A

    Install first brace.

    505386
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    Re: A Desktop CNC by David A

    Install brace bracket.

    505378
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    Re: A Desktop CNC by David A

    Installed drive.

    505376
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    Re: A Desktop CNC by David A

    Place ball screw drive onto the carriage.

    505374
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    Re: A Desktop CNC by David A

    Rotating ball nut drives.

    As the ball screw does not rotate, a 1204 size is used.

    Motor size: Nema 23
    Lead: 4mm per revolution
    Speed: 157 inch/minute @ 1,000 RPM
    Dynamic/static rating: about...
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    Re: A Desktop CNC by David A

    Gantry installed.

    505356
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    Re: A Desktop CNC by David A

    And the rear bumper stops / ball screw supports.

    505354
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    Re: A Desktop CNC by David A

    Install the front bumper stops / ball screw clamps.

    505350

    505352
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    Re: A Desktop CNC by David A

    And the gantry beam.

    505348
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    Re: A Desktop CNC by David A

    The Y/A carriages.

    505346
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    Re: A Desktop CNC by David A

    Machine frame is finished.

    Thread continues with the design for the Y/A and the X/Z axis.

    Install linear rails to the top profile.

    505344
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    Re: A Desktop CNC by David A

    .

    This concludes the assembly of the machine frame.

    It can accommodate different personal designs for the gantry and the Z-axis
    and is available for purchase as a complete set as shown on...
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    Re: A Desktop CNC by David A

    And finally, slide the splash screens into place.
    Color added to splash screens for clarification.
    Frame is shown from the back

    505296

    505298
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    Re: A Desktop CNC by David A

    Install splash screen guides.

    505294
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    Re: A Desktop CNC by David A

    Repeat all steps for the other side of the stringers.

    505290
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    Re: A Desktop CNC by David A

    Thanks Peter. Much appreciated....
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    Re: A Desktop CNC by David A

    And finally, install the vibration dampers.

    505226
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    Re: A Desktop CNC by David A

    Side plate locks everything in place.

    505224
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    Re: A Desktop CNC by David A

    Next is the installation of the side plate.

    505222
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    Re: A Desktop CNC by David A

    Top profile should be level but check anyway.

    505220
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    Re: A Desktop CNC by David A

    And align with the front face of the upright.

    505218
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    Re: A Desktop CNC by David A

    Slide top profile over the braces.

    505216
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    Re: A Desktop CNC by David A

    Repeat on remaining stringers.

    505034

    505036

    505038
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    Re: A Desktop CNC by David A

    Install brackets on both sides of the upright.

    505032
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    Re: A Desktop CNC by David A

    Slide the profile down between the side plates with the notch facing toward the pan.
    (Front side plate omitted for clarification.)

    504996

    504998
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    Re: A Desktop CNC by David A

    The upright profile has a notch at the bottom.

    504994
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