Question: a ) A lead screw is being used on a lathe machine to advance the carriage of the lathe in time with the rotation of

a) A lead screw is being used on a lathe machine to advance the carriage of the lathe in time with the rotation of the spindle. The screw has an effective diameter of 50 mm and a lead 5 mm . the screw must exert an axial thrust of 1.5 KN for driving the carriage. An effort of 100 N is required to create the movement. Calculate the operating efficiency of the lead screw.
a ) A lead screw is being used on a lathe machine

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