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  • MetabolicG commented on nicengineering's instructable Low Budget CNC1 week ago
    Low Budget CNC

    Thanks for the info! Using MDF makes sense... most of the structure of my current machine is much harder wood and/or metal. Maybe I need to look for more pliable materials... Back to the drawing board!

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  • MetabolicG commented on nicengineering's instructable Low Budget CNC2 weeks ago
    Low Budget CNC

    Thanks for this instructable. As it happens I am building a CNC machine as well and your design gave me some new ideas on how to proceed.I do have 2 questions for you;1) how do you keep the bearings from slipping on the u-bolts? It does not look like they are firmly attached at all.2) have you had any trouble aligning the pipes so the various parts run smoothly without jitter? I'm asking, because I am currently using solid metal rods of roughly the same size, but making sure they are in absolute alignment is a bit tricky and when they are not, the machine jitters quite a bit.Thanks!

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