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Thread: Gcode Z-axis

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  1. #1
    Join Date
    Apr 2017
    Posts
    5

    Gcode Z-axis

    Hello,

    I'm making a cnc machine that can write. for that i'm using gcode and cambam.i have limit switches on my X and Y axis but not on my Z. I can't add switches there but now i can't home anymore because of that. Do you guys know how can can home without the Z-axis?

  2. #2
    Join Date
    Mar 2003
    Posts
    35538

    Re: Gcode Z-axis

    What control software are you using?
    And why can't you home?
    Gerry

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  3. #3
    Join Date
    Apr 2017
    Posts
    5

    Re: Gcode Z-axis

    Quote Originally Posted by ger21 View Post
    What control software are you using?
    And why can't you home?
    I'm using universal gcode sender for controlling the machine and Cambam for drawing things.When i press the homebutton he searches for the switches so that he knows where he is but my Z-axis has no hard limits, because of that he's stuck in homing because he can't find a switch and i can't add switches on my Z-axis.(srry if my English is not that good).

  4. #4
    Join Date
    Dec 2013
    Posts
    5717

    Re: Gcode Z-axis

    Wire the X home switch to the Z home input also. That way when the X homes, the controller will think that the Z has homed also.

  5. #5
    Join Date
    Apr 2017
    Posts
    5

    Re: Gcode Z-axis

    Quote Originally Posted by Jim Dawson View Post
    Wire the X home switch to the Z home input also. That way when the X homes, the controller will think that the Z has homed also.
    That doesn't work because he moves the Z-axis first to make sure he doesn't make contact with the paper after that he moves the X and Y. Any other suggestions?.

  6. #6
    Join Date
    Jan 2005
    Posts
    15362

    Re: Gcode Z-axis

    Quote Originally Posted by ThatGuy2 View Post
    That doesn't work because he moves the Z-axis first to make sure he doesn't make contact with the paper after that he moves the X and Y. Any other suggestions?.
    Have a micro switch setup for the Z axes, that you can hit with your hand when the Z moves to where you think it is safe,
    Mactec54

  7. #7
    Join Date
    Apr 2017
    Posts
    5

    Re: Gcode Z-axis

    Quote Originally Posted by mactec54 View Post
    Have a micro switch setup for the Z axes, that you can hit with your hand when the Z moves to where you think it is safe,
    Thx for the help.I will do that because it's the only solution.Hope the jury won't mind that i need to do it manualy.I'm making this for my integrated test.

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