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

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Page 19

For technical questions, please call 1-800-444-3353.

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

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