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Did I buy the wrong SBR rails?

I have bought some SBR12 rails and bearing blocks in an attempt to make a fancy flattening jig for my router. I haven't been able to see 100 % everything that other people have done on the YouTubes ...
physicsboy's user avatar
0 votes
8 answers
2k views

CNC: Linear motion without timing belt or lead screw

Is it possible to build a CNC whose Linear motion system does not contain any timing belt(pulley) or lead screw(threaded rod). I was wondering whether I could directly control the Linear motion by ...
Jonathan Pereira's user avatar