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    Hi all,

    I recently got my diy cnc up and running. As i was testing it i noticed if i cut through a piece using say 3 passes there was a line left and in a couple of places a step. It runs on rack and pinion on the x ( long axis) and a ball screw on Y and Z. I initially assumed it was the rack and pinion but im starting to think maybe its from the ballscrew on Y. I'm thinking this because of the location of the bump. I attached some pictures of a few circles i v grooved to test, and also of some text. Any help with this would be greatly appreciated.

    Philip
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    Last edited by philgiggins; 08-10-2015 at 10:42 PM.

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