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    Stop Z from going beyond 0

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    My Duet controlled machine
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    • ajlappundefined
      ajlapp
      last edited by

      Is it possible to force the machine to not go beyond 0 on the z axis?

      On a few occasions now we've crashed the bed into the nozzle and other equipment because the manual jog controls will allow the machine to go into the negative Z space.

      Normally this isn't too big a deal but on our large volume machine the z-axis screws are very powerful and a lot of damage occurs.

      Anyway, a soft z-stop would really help me out but I can't seem to find a setting for this.

      Worst case we'll go to hard stops but that has its own issues.

      Thanks.

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      • DocTruckerundefined
        DocTrucker
        last edited by

        Have a look at the axis limits in your config:

        https://duet3d.dozuki.com/Wiki/Gcode#Section_M208_Set_axis_max_travel

        Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

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        • ajlappundefined
          ajlapp
          last edited by

          Ha! Why do I have my M208 set to Z-780??

          🤦‍♂️

          This would have saved my buns twice now.....I never even saw that.

          X and Y are set correctly...go figure.

          Been working on this beast sporadically for almost a year...should be printing this week finally. Mind the mess and dangling wires!

          IMG_0806.JPG

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