Machine Drawing

144 Machine Drawing

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d:\N-Design\Des9-1.pm5 Seventh Print

35

X-X

5 15

f

90

f

80

f 20

f 40

KEYWAY, 6 3 ́

X

X

Fig. 9.2 Pulley with web

KEYWAY,

63 ́

4040

(^555570)

85

12030

8

8

160 10

40

40

40

f 30

(a)

R55

R70

f

80

40 40 40 40

f

60

f

170

(b)

f 30

KEYWAY, 6 3 ́

Fig. 9.3 Step cone pulley for flat belt drive