Machine Drawing

Welded Joints 167

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to the weld is generally of no special significance (Fig. 11.6). However, in the case of edge

preparation (Refer No. 4, 6 and 8 in Table 11.1), the arrow line points towards the plate which

is prepared (Fig. 11.7).

Arrow side

of joint

A

Other side

of joint A

Joint A

Joint B

Arrow side

of joint B

Other side

of joint B

Arrow side

of joint B

Joint AJoint B

Other side

of joint B

Other side

of joint A

Arrow side

of joint A

(c) (d)

Fig. 11.5 Arrow side and other side

Fig. 11.6 Position of arrow lines Fig. 11.7 Indication of edge preparation

11.2.5 Position of the Reference Line

The reference line shall preferably be drawn parallel to bottom edge of the drawing and if it is

not possible; then it is drawn perpendicular.

11.2.6 Position of the Symbol

The symbol is placed either above or beneath the reference line as per the following regu-

lation:

It is placed on the continuous side of the reference line, if the weld (weld face) is on the

arrow side of the joint or on the dashed line side, if the weld is on the other side of the joint, as

shown in Fig. 11.8.