ty Safe
Weld Problems
Penetration (Workpiece Heat Control)
Excess Penetration or | Proper Penetration | Inadequate Penetration |
Weld is visible underneath and | Weld does not contact the joint | |
Weld droops on top and | bulges slightly on top. | fully, just on the surface. |
underneath, or falls through |
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entirely, making a hole. |
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Possible Causes and Solutions
1.Workpiece overheating: Reduce wire feed speed. Use MIN setting.
2.Welding speed too slow:
Increase welding speed and ensure that welding speed is kept steady.
3.Excessive material at weld: Reduce wire feed speed.
Weld Not Adhering Properly
Gaps present between weld and previous bead or between weld and workpiece. See areas below.
Possible Causes and Solutions
1.Incorrect welding technique: Maintain 1/2” or less stickout.
Keep arc on leading edge of weld puddle. Hold gun at proper angles.
2.Insufficient weld heat:
Reduce welding speed. Use MAX setting.
3.Workpieces too thick/close:
Bevel thick workpieces, allow slight gap, and weld in several passes.
4.Insufficient weld material:
Increase wire feed speed.
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Possible Causes and Solutions
1.Incorrect welding technique:
Place stringer bead at correct place in joint. Adjust workpiece position or weld angle to permit proper welding to bottom of piece.
Pause briefly at sides during weave bead.
Keep arc on leading edge of weld puddle. Hold gun at proper angles.
2.Insufficient weld heat:
Increase current and/or wire feed speed.
3.Dirty workpiece:
Clean workpiece down to bare metal.
4.Insufficient weld material:
Increase wire feed speed.
Bend at Joint
Profile
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Possible Causes and Solutions
1.Improper clamping: Clamp workpieces securely.
Make tack welds to hold workpieces.
Excessive heat:
Weld a small portion and allow to cool before proceeding.
Increase weld speed. Reduce wire feed speed.
Page 22 | For technical questions, please call | SKU 98871 |
