Question

Two steel rings of radial thickness 30 mm, common radius 70 mm and length 40 mm are 

shrunk together to form a compound ring. It is found that the axial force required to separate 

the rings, i.e. to push the inside ring out, is 150 kN. Determine the shrinkage pressure at the 

mating surfaces and the shrinkage allowance. E = 208 GN/mZ. The coefficient of friction 

between the junction surfaces of the two rings is 0.15. 

Answer 1

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