I haven't got as far as vibration yet so I'm not sure if this is the right place?
I have a shaft which clamps a series of rotating discs. All are balanced and true until I tighten the clamping nut (M10 x 1 LH) then the shaft shows some runout. We've improved the situation with a sleeve nut but...
I'm trying to buy a motor and speed controller for an axial flow compressor test rig. ideally I'd like 50kW which should drive it to 70,000 rpm but I'd consider anything above 8kW and 30,000 rpm. I've spent a couple of days with Google but haven't really come up with anything. Any ideas would be...
