OM-210 089 Page 32
7-5.
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.
NOTE
1
Stringer Bead − Steady
Movement Along Seam
2
Weave Bead − Side To Side
Movement Along Seam
3
Weave Patterns
Use weave patterns to cover a
wide area in one pass of the
electrode.
S-0054-A
3
1
2
7-6.
Poor Weld Bead Characteristics
1
Large Spatter Deposits
2
Rough, Uneven Bead
3
Slight Crater During Welding
4
Bad Overlap
5
Poor Penetration
5
4
2
3
1
S-0053-A
7-7.
Good Weld Bead Characteristics
1
Fine Spatter
2
Uniform Bead
3
Moderate Crater During
Welding
Weld a new bead or layer for each
1/8 in (3.2 mm) thickness in metals
being welded.
4
No Overlap
5
Good Penetration into Base
Metal
S-0052-B
2
3
1
4
5
Summary of Contents for MW135
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