Question: Compare the two designs described in Table 107 when each is transmitting 1200 lb in of torque at its output shaft, which rotates at

Compare the two designs described in Table 10–7 when each is transmitting 1200 lb • in of torque at its output shaft, which rotates at 20 rpm. Compute the forces on the worm and the wormgear, the efficiency, and the input power required.

Data in Table 10–7

TABLE 10-7 Designs for Problem 24 Design A B Pd Nt 6 1 10 2 NG 30 60 Dw 2.000 1.250 FG 1.000 0.625 Pressure angle 14.5 14.5

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