Weld diagnosis, Workpiece heat control / weld penetration, Example weld diagrams – Harbor Freight Tools 98871 User Manual
Page 21: How to reduce workpiece heat and limit penetration
Page 21
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SKU 98871
S
AFE
ty
S
ER
VI
c
E
B
ASI
c W
EL
d
Ing
W
EL
d
Ing
tIPS
S
E
t
UP
EXcESS PEnEtRAtIOn OR
BURn-thROUgh
PROPER PEnEtRAtIOn
InAdEqUAtE PEnEtRAtIOn
not hot enough
too hot
Ideal heat
WELd dIAgnOSIS
Workpiece heat control / Weld Penetration
good
Weld
current
too Low
Weld Speed
too Slow
Example Weld diagrams
tO cORREct:
tO cORREct:
tO cORREct:
weld
slower
tO cORREct:
weld
faster
tO cORREct:
maintain
less
than
1
/
2
”
stickout
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)
Use MAX setting
a.
Weld more slowly
b.
Use faster wire feed
c.
Use shorter stickout
d.
Use MIn setting
a.
Weld more quickly
b.
Use slower wire feed
c.
Use longer stickout
d.
90 AMP FLUX WIRE WELdER
120 V~
60 hz
gun
WIRE-FEEd SPEEd
0
1
2
3
4
5
6
7
8
9
10
MAX
MIn
On
OFF
or
90 AMP FLUX WIRE WELdER
120 V~
60 hz
gun
WIRE-FEEd SPEEd
0
1
2
3
4
5
6
7
8
9
10
MAX
MIn
On
OFF
90 AMP FLUX WIRE WELdER
120 V~
60 hz
gun
WIRE-FEEd SPEEd
0
1
2
3
4
5
6
7
8
9
10
MAX
MIn
On
OFF
Stickout
too Long
Weld Speed
too Fast
current
too high or
Wire Feed
too Fast