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  1. 21-08-2010 #1
    Jonathan's Avatar
    Lives in Leicester (Home) or Nottingham University (2nd Home), United Kingdom.
    Jonathan
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    I've edited the drawing to include holes to mount the bearings further down when I want only 75mm travel:
    Click image for larger version.  Name: Z-axis2.jpg  Views: 420  Size: 131.7 KB  ID: 2818

    The thing floating around is a support for the middle of the rail. I've designed it in two parts since that means I can fix it on without removing the bearings from the rails.

    I've not put the box section in yet. It's just occured to me that mounting the bearings to box section sturdily is going to be a lot more difficult! Would fixing the bearings to just one side be ok, or should I put a spacer inside the box section and use a long bolt?
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: Z-axis.jpg  Views: 309  Size: 107.6 KB  ID: 2817  
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