three timing belts
My Cincinatti machining centers use three belts on the pulleys, to
connect the Spindle motor to the Spindles.
They run at 10,000 RPM and 15 horsepower or so.
Only has pulley flanges on the outside.
Offhand it seems to work fairly well.
Thanks, i thought I'd seen this done. But it looks like Ned fixed me up.
Karl
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