198 Machine Drawing
dharm
d:\N-Design\Des13-1.pm5
Shaftdia.
L
f
D
a D
D
d
Shaft
dia
B
Tw
Tr
L
D+2a
DdDDa Hubdia
Fig.13.14 Worm and worm gear
Shaft dia.
B
Centredistance
D
1
D
2
Shaft dia.
Hub dia.
L
90°
Fig. 13.15 Worm gearing
dharm
d:\N-Design\Des13-1.pm5
Shaftdia.
f
a D
D
d
Shaft
dia
Tw
Tr
D+2a
DdDDa Hubdia
Fig.13.14 Worm and worm gear
Shaft dia.
Centredistance
1
2
Shaft dia.
Hub dia.
Fig. 13.15 Worm gearing