Question

1. The gear train is show in Fig. below. This is the spindle drive for a gear hobbing machine. Gear blank B and the worm gear 9 are mounted on the same shaft and must rotate together. Determine the angular velocity ratio wr/u's to cut 72 teeth on the gear blank B. Gear blank Hob single thread 9 (42T) Right-hand 2 (30T) 8 singlo threaced 3 (16T) worm To motor 1 (16T) 4 (36T)

Answer 1

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Co 3 607 2 っ 1LJ 7-0-328125 Scanned with CamScanner