I really liked the integrated belt housings to drive the ballscrews and the other nice touches on this German BF-20 CNC conversion:

BF-20 CNC Conversion

Nice clean install, well protected from flying chips…

Plates on the right are pocketed for the reduction timing belt. Plates on the left mount on the machine…

Stepper power connection…

Another view of the guts…

Manipulating the belt onto the big timing gear is going to be a little bit finicky, but not too bad…

Neat little Hall Effect (proximity switch) limit switches…

 

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