Miller Bobcat 225 NT, Руководство пользователя

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56
OM-405
13.5 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
S-0054-A
1 Stringer Bead – Steady Move-
ment 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.
3
1 2
13.6 Poor Weld Bead Characteristics
S-0053-A
1 Large Spatter Deposits
2 Rough, Uneven Bead
3 Slight Crater During Welding
4 Bad Overlap
5 Poor Penetration
5
4
2
3
1
13.7 Good Weld Bead Characteristics
S-0052-B
Fine Spatter
Uniform Bead
Moderate Crater During
Welding
eld a new bead or layer for each
/8 in (3.2 mm) thickness in metals
eing welded.
No Overlap
Good Penetration into Base
Metal
2
3
1
4
5