Machine Drawing

338 Machine Drawing

dharm
d:\N-Design\Des18-4.pm5

Fig. 18.53 Speed reducer (contd.)

10

5 20

176

10 HOLES, M4

30°

20

10

5

14

9

R5 R29

M4 PCD 96

144

48

f^42

R4

R5

32 6

220

240

6 32

f^40 f^42

2

f 10

1

Output

shaft

Input

shaft

114

40 40

5

6 HOLES,

M4 PCD 80

140

160

10

104

14

(^9520)
10
R29
30°
10 HOLES,
(^176) DIA 4
M4 PCD 96
20 5
10
5
13
30°
40 40
114
5
12
30°
f^20 f^42
7
KEY WAY,
6×3
f^18 f^20 f
24
40 32 32 72 30 20 14
248
2
WORM THD DIA 42
f^24 f^20 f^18
6 HOLES, DIA 4
EQUI-SP PCD60
R2
f^18 f^42 f
80
1×45°
7
4 4
10 5
6 HOLES, DIA 4
EQUI-SP
PCD 60
f^42 f
(^186) f^80
4
10
Part No. Name Matl Qty
1 2 3 4 5 6 7 8 9
10
11
12
Housing
Worm shaft
Wheel shaft
Worm wheel
End cover-closed
Roller bearing
End cover
End cover-wheel shaft
Ball bearing
Oil seal
Oil seal
To p c o v e r
Cl
MS
MS
MS
Cl
—
Cl
Cl
—
Rubber
Rubber
Cl
1 1 1 1 1 2 1 2 2 2 2 1
Parts list
9
5
2
f^44
10
30°
30°