How to find the maximum rpm of the solid shaft that has a ring mounted on it?

a.googoodolls

Hello,

I have to find the maximum rpm of the shaft that has ring mounted on the shaft with interference fit of 0.002". I want to know at what rpm the ring will come loose from the shaft?

and

If I run the shaft at 7000rpm at 400 degree Celsius, is the interference fit of 002" enough for the ring to hold on to the shaft? How can I find out if it is adequate or not?

Any suggestions will be appreciated.

Mech_Engineer

Angular velocity will have no bearing on whether the collar will stay on the shaft. Differential thermal expansion could play a part though, if the two parts are made of different materials.

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Mech_Engineer Blog Entries: 2 Recognitions: Gold Member Science Advisor	Angular velocity will have no bearing on whether the collar will stay on the shaft. Differential thermal expansion could play a part though, if the two parts are made of different materials.