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A mixer has two blades. The mixer drive shaft is solid and circular. Each blade experiences...

Question

A mixer has two blades. The mixer drive shaft is solid and circular. Each blade experiences...
A mixer has two blades. The mixer drive shaft is solid and circular. Each blade experiences a torque of 2.5 N-m. The allowable shear stress in the shaft is 10 MPa.
a) Determine the smallest diameter of the shaft in millimeters.
b) The rotation occurs at 60 rpm. What is the power required in watts?

Answers: 13.7mm; 31.4 watts

blade shaft motor
blade shaft motor

Answers

max omp a) max = 16T r (43 0 106 1.3 N 60 rpm (60)(5) = 31.4]watlj


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