Chicago Electric 68887 Owners Manual & Safety Manual page 19

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. Use MAX setting
b. Weld more slowly
Example Weld Diagrams
Good Current
Weld Too Low
GUN
GUN
TO CORRECT:
90 AMP FLUX WIRE WELDER
ITEM 68887
ON MIN
OFF MAX
GROUND
WIRE FEED SPEED Wire .030"-.035" Flux-core
Capacity XX Ga. – X/X" Steel Plate
Electrode – X'
Cables
Ground Clamp – X'
GROUND
120V~
60Hz
20A
SKU 68887
PROPER PENETRATION
Ideal heat
c. Use faster wire feed
d. Use shorter stickout
Current
Too High or
Wire Feed
Too Fast
90 AMP FLUX WIRE WELDER
TO CORRECT:
ITEM 68887
ON MIN
GUN
OFF MAX
90 AMP FLUX WIRE WELDER
WIRE FEED SPEED Wire .030"-.035" Flux-core
ITEM 68887
Capacity XX Ga. – X/X" Steel Plate or
Electrode – X'
Cables
Ground Clamp – X'
120V~
60Hz
20A
WIRE FEED SPEED Wire
Capacity XX Ga. – X/X" Steel Plate
Cables
For technical questions, please call 1-800-444-3353.
GROUND
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
a. Use MIN setting
b. Weld more quickly
Weld Speed
Too Fast
TO CORRECT: TO CORRECT:
weld
slower
ON MIN
OFF MAX
.030"-.035" Flux-core
Electrode – X'
Ground Clamp – X'
120V~
60Hz
20A
EXCESS PENETRATION OR
BURN-THROUGH
Too hot
c. Use slower wire feed
d. Use longer stickout
Weld Speed Stickout
Too Slow Too Long
TO CORRECT:
maintain
less
1
than / "
weld
2
stickout
faster
Page 19