Harbor Freight Tools Vulcan Migmax 215 Owner's Manual & Safety Instructions page 56

Weld Diagnosis
Workpiece Heat Control / Weld Penetration
INADEQUATE PENETRATION
Not hot enough
How to increase workpiece heat
and increase penetration:
(to weld THICKER workpieces properly)
a. Increase weld current
b. Decrease travel speed
Example Weld Diagrams
Good
Weld Too Low or
Wire Feed
Too Slow
TO CORRECT:
Page 24
PROPER PENETRATION
c. Use faster wire feed
d. Use shorter CTWD
Voltage Voltage
Too High or
Wire Feed
Too Fast
TO CORRECT:
or or
For technical questions, please call 1-888-380-0318.
Ideal heat
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
a. Decrease weld current
b. Increase travel speed
Travel Speed
Too Fast
TO CORRECT:
travel
slower
EXCESS PENETRATION OR
BURN-THROUGH
Too hot
c. Use slower wire feed
d. Use longer CTWD
Travel Speed CTWD
Too Slow Too Long
Wrong Polarity
TO CORRECT: TO CORRECT:
Check Polarity
and
travel
faster
Item 63617
or
maintain
less
than 1/2"
CTWD