Miller Electric Blue Star 6000 Owner's Manual download pdf (Page 43)

OM-488 Page 39

11-8. Conditions That Affect Weld Bead Shape

Weld bead shape is affected by electrode angle, arc length, travel speed, and

thickness of base metal.

NOTE

S-0061

ELECTRODE ANGLE

ARC LENGTH

TRAVEL SPEED

Slow

Normal Fast

10° - 30°

Drag

Too Short

Normal Too Long

Spatter

Angle Too Small

Angle Too Large

Correct Angle

11-9. Electrode 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 work better.

NOTE

S-0054-A

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.

Do not let weave width exceed

2-1/2 times diameter of electrode.

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Miller Electric Blue Star 6000 Owner's Manual Page 43