Part Drawings 377
dharm
d:\N-Design\Des19-1.pm5
flange of the cock is fitted to the boiler shell, whereas the bottom flange is fitted to the pipe,
carrying the water and sediments. The assembly drawing of a blow-off cock is shown in Fig. 19.17.
Slot to be milled
Workpiece
1 8 2 9 7 11 5
6
12
22
14
f 10
f 5 22
R12
f 8
120562612
20
R6
20
R14
R12
18 18
136
204
76
10
(^43)
4
28
10
22
34
4
14
16
28
48
16
10
10 14
18
M8
3
1818
f^20
(^2010)
8
8
28
12
16
20 686
(^4214)
6
Part No. Name Matl. Qty.
1 2 3 4 5 6
Fixture base
Clamp
Setting block
Flattened location pin
Clamping screw with spring
Clamping nut
CI
MS
MS
HCS
MS
MS
1 2 1 1 2 2
Parts list
Part No. Name Matl. Qty.
7
8
9
10
11
Tenon
Locating pin
Locating pin
Dowel pin
Guide pin
HCS
HCS
HCS
HCS
HCS
2
2
2
2
2
16
101055
Fig. 19.14 Milling fixture