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Home > Ordnance Documents and other related manuals > > Figure 10. Seam. Spot, flash. and Upset Welds.
Figure 9. Surfacing, Plug , and Slot Welds
Welding tecniques

Welding Operations, I
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WELDING OPERATIONS I - OD1651 - LESSON 1/TASK 1
FIGURE 10.
SEAM, SPOT, FLASH, AND UPSET WELDS.
(7) Seam Weld (figure 10).
This weld is made either by arc
seam welding in which a continuous weld is made along fraying
surfaces  by  drawing  the  arc  between  the  electrode  and  the
workpiece, or by resistance seam welding where the weld is a
series of overlapping spot welds made progressively along a joint
by rotating the circular electrodes.
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