Z-axis weight compensation


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Thread: Z-axis weight compensation

  1. #1
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    Default Z-axis weight compensation

    My CAMaster CNC had quite a heavy Z-axis with a spindle and two outboard 1-3/4 HP routers. It had a pneumatic cylinder to assist the stepper with lifting the Z car.

    My DIY project is lighter but I’m wondering if it’s worth including a similar weight compensating system. The cylinder is in place (it was originally the only motivation on the Z axis of this P2P drilling machine) and in fact it is mostly working. However the extra mass and complexity may be unnecessary on my build as the only major weight on the Z car is the 2.2 HP spindle. So far the servo doesn’t seem to have any trouble lifting the mass of the spindle.

    I am having an issue with the regulator not bleeding off pressure when the cylinder compresses, so the servo must actually apply increasing force to move the spindle downward.

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  2. #2
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    Default Re: Z-axis weight compensation

    2,2 kw spindle dont weight too much , so u dont need a weight counterbalancing .



  3. #3
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    Default Re: Z-axis weight compensation

    I second the previous reply.
    In my experience, if the motor is not struggling to raise the Z, no need to help it any.



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Z-axis weight compensation

Z-axis weight compensation

Z-axis weight compensation