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  1. #26
    The vertical plate on the back of the Z axis (to which the Y axis ballscrew is attached) is trapped between the small top and bottom plates. This means it needs to be machined accurately to ensure the Y axis bearings sit correctly. It would be better to make this plate full height and have narrower top and bottom plates so that everything can be set before tightening the bolts.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

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