Machine Drawing

Riveted Joints 159

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d:\N-Design\Des10-1.pm5

1.5d 1.5d 1.5d 1.5d

X–X

d

t^2

t^2

t

X X

pr

p

0.5 p

0.5 p

pr

Fig. 10.15 Double riveted, double strap zig-zag butt joint

THEORY QUESTIONS

10.1 Name the commonly used materials for rivets.

10.2 Define the following :

(a) pitch, (b) row pitch, (c) diagonal pitch and (d) margin.

10.3 How are riveted joints made air-tight?

10.4 Name the different types of rivet heads as recommended by BIS : SP-46 : 1988.

10.5 What is a structural joint?