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Item 63619
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SETUP
Stick Weld Penetration (Workpiece Heat Control)
EXcESS pENETRATION OR
BURN-THROUgH
Weld droops on top and
underneath or falls through
entirely, making a hole.
pROpER pENETRATION
Weld is visible underneath and
bulges slightly on top.
INAdEQUATE pENETRATION
Weld does not contact the joint
fully, just on the surface.
PROFILE VIEWS
pOSSIBLE cAUSES ANd SOLUTIONS FOR
1.
Workpiece overheating:
Reduce current.
2.
Welding speed too slow:
Increase welding speed and ensure
that welding speed is kept steady.
pOSSIBLE cAUSES ANd SOLUTIONS FOR
1.
Incorrect welding technique:
Keep arc on leading edge of weld puddle.
Hold torch at proper angles.
2.
Insufficient weld heat:
Slow down so fill material has time to melt
into the weld location. Increase current.
3.
Workpieces too thick/close:
Bevel thick workpieces, allow slight
gap, and weld in several passes.
4.
Insufficient weld material:
Increase amount of fill material.
Stick Weld - Weld Not Adhering properly
gaps present between weld and previous bead or between weld and workpiece. See areas below.
pOSSIBLE cAUSES ANd SOLUTIONS
PROFILE
VIEW
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.
Keep arc on leading edge of weld puddle.
Hold Electrode and fill material at proper angles.
2.
Insufficient weld heat:
Increase current.
3.
dirty workpiece:
Clean workpiece down to bare metal.
4.
Insufficient weld material:
Increase amount of fill material.
5.
distance between workpieces to large:
Decrease distance and increase bevel.
Stick Weld - Bend at Joint
pOSSIBLE cAUSES ANd SOLUTIONS
PROFILE
VIEW
1.
Improper clamping:
Clamp workpieces securely.
Make tack welds to hold workpieces.
2.
Excessive heat:
Weld a small portion and allow to cool before
proceeding.
Increase weld speed.
