Miller Auto Arc 160 Посібник користувача - Сторінка 29
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7-5. Gun Movement During Welding
NOTE
1
7-6. Poor Weld Bead Characteristics
7-7. Good Weld Bead Characteristics
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.
2
3
2
4
3
2
4
3
1
5
1
5
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
1
Large Spatter Deposits
2
Rough, Uneven Bead
3
Slight Crater During Welding
4
Bad Overlap
5
Poor Penetration
S-0053-A
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
OM-187 924 Page 27