Build your own 5th axis

I'm referring to the fifth axis of rotation as the entire milling head CW or
CCW as you face the mill. Easy to do manually by loosening the clamp bolts
and turning manually.
Has anyone seen a clever design to do this with a servo motor? Kind of like
a rotary table on the mill head? I'd like to try my hand at building one for
my CNC knee mill, but loss of rigidity looks to be a major issue - best to
copy a proven idea. I'd only be looking at something that would use an air
motor to loosen clamp bolts, move, then retighten.
Reply to
Karl Townsend
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