Weld Diagnosis

Workpiece Heat Control / Weld Penetration

Inadequate Penetration

Proper Penetration

Excess Penetration or

burn-through

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Not hot enoughIdeal heatToo hot

How to increase workpiece heat

How to reduce workpiece heat

and increase penetration:

and limit penetration:

(to weld thicker workpieces properly)

(to weld thinner workpieces properly)

a.Use MAX setting

c. Use faster wire feed

a.Use MIN setting

c. Use slower wire feed

b.Weld more slowly

d.Use shorter stickout

b.Weld more quickly

d.Use longer stickout

 

 

 

 

 

 

 

 

Example Weld Diagrams

Safety

Setup

Basic Welding

Good Weld

Current

Too Low

To Correct:

min On

7

8

9

mAxOFF

Current

Too High or

Wire Feed

Too Fast

To Correct:

min On

7

8

9

mAxOFF

or

5

46

mi

37

28

19

mA

010

wire-Feed Speed

Weld Speed

Too Fast

To Correct:

weld

slower

Weld Speed

Too Slow

To Correct:

weld

faster

Stickout

Too Long

To Correct:

maintain

less

than 1/2” stickout

Welding Tips

Service

SKU 98871 For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 98871 Weld Diagnosis, Workpiece Heat Control / Weld Penetration, Example Weld Diagrams

98871 specifications

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