Machine Drawing

(avery) #1

Assembly Drawings 287


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d:\N-Design\Des18-2.pm5


Figure 18.16 shows the details of a clapper block. This consists of a swivel plate 1, attached


to the vertical slide of the tool head (Fig. 18.17) of the shaping machine. The drag release plate 2


relieves the tool during the return stroke. The drag release plate carries the tool holder 4 and the


tool is fixed in it by means of the tool clamping screw 5. The washer 6 is used over the drag release


plate for providing even bearing surface to the tool.


70

R108

141

16 65 16

R108^84

76

31

16

15 15

13

f 13

f^30
f^21126

18

30 45

f^42 R9
12 69 24

M14

f^24 f^30

4

f

30

f^60

6

M14

20

6 50 25

5

100

f^13

3
15 15

13

f 13

84

f^421218 f^30

42

R108

63

2

Part No. Name Matl Qty
1 2 3 4 5 6
Swivel plate
Drag release plate
Pin
Tool holder
Tool clamping screw
Washer

Cl
Cl
MS
MCS
MS
MS

1 1 1 1 1 1

Parts list

1

9

Fig. 18.16 Clapper block

Exercise


Figure 18.16 shows the details of a shaper clapper block. Assemble the parts and draw, (i) the


view from the front and (ii) sectional view from the left.


18.3.4 Shaper Tool Head Slide


The shaper tool is fixed to the tool head through a tool holder and a clapper block. Figure 18.17


shows the details of a shaper tool head slide. The back plate 2 is attached to the front face of the

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