Answer to Question #336325 in Mechanical Engineering for DIAN

Question

In a broaching machine, the shaft A carries a pulley 24 in. in diameter which is driven by a belt from a 12-in. pulley on the countershaft overhead, the latter turning 150 rpm. The gears 2 and 4 have 12 teeth each, and 3 and 5 have 60 teeth. Gear 5 is fast to 6, which has 10 teeth and a circular pitch of 1.047 in. and which engages with rack 7 to which is attached the broach. Find the speed with which the broach is drawn through the work in inches per minute.