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Is high P1 stress here acceptable?

Question asked by John Munroe on Jun 11, 2020
Latest reply on Jun 11, 2020 by Scott Perman

Hi folks,

 

I'm trying to design and test a 16mm aluminium hub similar to this product. However, the stress analysis comes back with rather high P1 stresses for 30Nm input torque:

 

 

Is P1 stress around the shaft holder supposed to be acceptable or is the product just not designed for 30Nm? If acceptable, how come? I thought 30Nm is meant to be fairly low. I've also attached the part.

 

Thanks

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