Vulcan-Hart OMNIPRO 220 Owner's Manual & Safety Instructions page 38

Stick Weld Diagnosis – W orkpiece Heat Control / Weld Penetration
INAdEQUATE pENETRATION
Not hot enough
How to increase workpiece heat
and increase penetration:
(to weld THIckER workpieces properly)
a. Increase current. b. Weld more slowly.
Example Stick Weld diagrams
Stick welds will have a coat of slag over them until cleaned.
good current
Weld Too Low
TO cORREcT:
Increase the
current
Page 38
pROpER pENETRATION
Ideal heat
cLEAN WELdS FIRST!
current Weld Speed
Too High Too Fast
TO cORREcT: TO cORREcT:
Decrease Weld slower
the current
For technical questions, please call 1-888-380-0318.
EXcESS pENETRATION OR
BURN-THROUgH
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
c. Decrease current. d. Weld more quickly.
Arc Length
Weld Speed
Too Short
Too Slow
TO cORREcT: TO cORREcT:
Weld faster Increase
distance
Too hot
Arc Length
Too Long
TO cORREcT:
Decrease
distance
Item 63621