Determine the output torque, ratio, and overhung load capacity required to selec

Question

Determine the output torque, ratio, and overhung load capacity required to select a speed reducer to meet the following conditions. The driven machine is a car puller cable drum rotating at 50 rpm and requiring 4.5 hp. The service factor is to be 1.5. The prime mover is a 1750 rpm electric motor directly coupled to the reducer input shaft. The reducer output shaft is coupled to the cable drum with an RC-80 roller chain having a 15T (4.SI inch pitch diameter) sprocket on the reducer output shaft and a 35T sprocket on the cable drum shaft. (Answers: 3646 in-lb; 15:1; 15161b)

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