module 2 md1

• is a rotating or stationary member, usually of circular cross section much smaller in diameter than its length, used to transmit motion or power; having mounted on it such power-transmitting elements as gears, pulleys, belts, chains, cam, flywheels, cranks, sprockets, and rolling-element bearings.

• is a non-rotating member that carries no torque and is used to support rotating wheels, pulleys, and the like.

• is a short shaft.

• is one driven by a prime mover, power is taken from it by belts or chain, usually at several points along the shaft.

• is a shaft intermediate between a line shaft and a driven machine.

• is a shaft that is used to transmit power between the source and the machine absorbing the power.

• a shaft forming on integral part of the machine itself.

• states that yielding begins whenever the maximum shear stress in any element becomes equal to the maximum shear stress in a tension-test specimen of the same material when that specimen begins to yield

• predicts that failure by yielding occurs when the total strain energy in a volume reaches or exceeds the strain energy in the same volume corresponding to the yield strength in tension or compression

• predicts that yielding will occur whenever the distortion energy in a unit volume equals the distortion energy in the same volume when uniaxially stressed to the yield strength.