z axis taking nose dive, fusion post proc

New Home Forum Mostly Printed CNC – MPCNC Troubleshooting – MPCNC z axis taking nose dive, fusion post proc

This topic contains 2 replies, has 3 voices, and was last updated by  Bill 3 months ago.

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    Posts
  • #89818

    Mike K
    Participant

    So my mpcnc build draws great but i’m having troubles starting to actually mill something.  I made a simple design in fusion, got the CAM all setup, and used Gruffy’s (sp?) post processor posted in the forums.  I didn’t change any default settings so clearly I need to fix something.  When I execute the code, my z axis goes straight down and does not stop until I kill it before hitting the bottom.  I’m not sure what i’m doing wrong.  Is there a setting for z’s home I need to adjust in the post proc somewhere?

    #89847

    Ryan
    Keymaster

    Sounds more like a starting plane issue. If you start with Estlcam I can help, but trying to figure out fusion issues are not easy.

    #89860

    Bill
    Participant

    Any chance you’re loading up in mm and moving in inches? Telling CAM to move 2 inches instead of 2mm will give you that type of symptom.

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