Miller Millermatic 190 Owner's Manual page 38

9-5. Gun Movement During Welding
.
Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for wide groove weld joints or bridging across gaps,
a weave bead or multiple stringer beads works better.
1
9-6. Poor Weld Bead Characteristics
9-7. Good Weld Bead Characteristics
OM-264761 Page 34
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3
2
4
3
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2 4
3
1
2
3
Use weave patterns to cover a wide
area in one pass of the electrode.
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2
3
4
5
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5
1
2
3
Weld a new bead or layer for each
1/8 in. (3.2 mm) thickness in metals
being welded.
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5
5
Stringer Bead − Steady
Movement Along Seam
Weave Bead − Side To Side
Movement Along Seam
Weave Patterns
S-0054-A
Large Spatter Deposits
Rough, Uneven Bead
Slight Crater During Welding
Bad Overlap
Poor Penetration
S-0053-A
Fine Spatter
Uniform Bead
Moderate Crater During
Welding
No Overlap
Good Penetration into Base
Metal
S-0052-B