OM-284833 Page 35
9-14. Troubleshooting
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Waviness Of Bead
Waviness Of Bead
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weld metal that is not parallel and does not cover
joint formed by base metal.
S-0641
Possible Causes
Remedy
Welding wire extends too far out of nozzle.
Be sure welding wire extends not more than 1/2 in. (13 mm) beyond nozzle.
Unsteady hand.
Support hand on solid surface or use two hands.
9-15. Troubleshooting
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Distortion
Distortion
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contraction of weld metal during welding that forces
base metal to move.
Base metal moves
in the direction of
the weld bead.
S-0642
Possible Causes
Remedy
Excessive heat input.
Use restraint (clamp) to hold base metal in position.
Make tack welds along joint before starting welding operation.
Select lower voltage range and/or reduce wire feed speed.
Increase travel speed.
Weld in small segments and allow cooling between welds.
Notes
