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OX Build - Z axis bearings not touching aluminum

Discussion in 'CNC Mills/Routers' started by iH8vols, Oct 14, 2017.

  1. iH8vols

    iH8vols New

    Dec 4, 2016
    Likes Received:
    I feel like I'm SO CLOSE. Did some test cuts today. I tried some small circles and they looked terrible. Kept cutting more and watching it and noticed some movement on the Z Axis.

    I was cutting. MDF. When the router makes contact and starts moving down there was some wiggle. I shut everything down and found that on the right side, only 1 of the 4 wheels is actually touching the axis. I've tried tightening and loosening the wheels but I'm not seeing much difference. Any suggestions? Thanks!
  2. Mouldy

    Mouldy New

    Aug 23, 2017
    Likes Received:
    On my build - Its a Cbeam XL but the Z axis is similar - I found the X-axis subassembly ie the frame with wheels in it caused the font plate to bend a little. I assume the spacer posts where slightly longer that the wheel assemblies. This in turn caused the z-axis plate to bow out a little thereby opening the z axis wheels. They were still slack even on the tightest adjustment. In the end I had t short the spacer posts by about .1mm This seemed to help. Not sure why it happened, my wheels were not too tight.

    So try removing you z axis and put a straight edge across the plat to see if its still flat

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