Thread: Manipulator Torque (A Bit Scary for Us)
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Unread 15-01-2008, 23:23
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Re: Manipulator Torque (A Bit Scary for Us)
there's a formula for this somewhere....

J = pi d^4 /32

max shear stress = T r /J

i figure about 33,000 psi shear stress on a 3/8" shaft with 30 ft lbs torque