Workpiece heat control / weld penetration, Example weld diagrams, Weld diagnosis – Chicago Electric 90 AMP FLUX WIRE WELDER 68887 User Manual
Page 19: How to reduce workpiece heat and limit penetration, Current too low to correct, Stickout stickout too long
Page 19
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Item 68887
Weld Diagnosis
Workpiece Heat Control / Weld Penetration
EXCESS PENETRATION OR
BURN-THROUGH
PROPER PENETRATION
INADEQUATE PENETRATION
Not hot enough
Too hot
Ideal heat
How to increase workpiece heat
and increase penetration:
(to weld THICKER workpieces properly)
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
a. Use MAX setting
b. Weld more slowly
c. Use faster wire feed
d. Use shorter stickout
a. Use MIN setting
b. Weld more quickly
c. Use slower wire feed
d. Use longer stickout
Good
Weld
Example Weld Diagrams
Current
Too Low
TO CORRECT:
ON
MIN
OFF
MAX
WIRE FEED SPEED
GUN
GROUND
120V~
60Hz
20A
90 AMP FLUX WIRE WELDER
ITEM 68887
Specifications
Wire
0.030" – 0.035" Flux-Core
Capacity 18 Ga. – 3/16" Steel Plate
Weldable
Materials
Mild, Low Alloy Steel
(Not for Aluminum or Stainless Steel)
TO CORRECT:
ON
MIN
OFF
MAX
WIRE FEED SPEED
GUN
GROUND
120V~
60Hz
20A
90 AMP FLUX WIRE WELDER
ITEM 68887
Specifications
Wire
0.030" – 0.035" Flux-Core
Capacity 18 Ga. – 3/16" Steel Plate
Weldable
Materials
Mild, Low Alloy Steel
(Not for Aluminum or Stainless Steel)
or
ON
MIN
OFF
MAX
WIRE FEED SPEED
GUN
GROUND
120V~
60Hz
20A
90 AMP FLUX WIRE WELDER
ITEM 68887
Specifications
Wire
0.030" – 0.035" Flux-Core
Capacity 18 Ga. – 3/16" Steel Plate
Weldable
Materials
Mild, Low Alloy Steel
(Not for Aluminum or Stainless Steel)
Current
Too High or
Wire Feed
Too Fast
TO CORRECT:
weld
slower
Weld Speed
Too Fast
Weld Speed
Too Slow
TO CORRECT:
weld
faster
TO CORRECT:
maintain
less
than
1
/
2
"
stickout
Stickout
Too Long
SAFETY
MAINTENANCE
BASIC WELDING
WELDING TIPS
SETUP