ESAB B Series Installation, Operation And Maintenance Manual page 77

SECTION 5
End View
Cut Face
End View
Cut Face
Figure 5-5. Cut Quality (Arc Voltage To Low With a Negative Cut Angle)
Arc Voltage
Optimum
Cut Angle
Figure 5-4. Cut Quality (Arc Voltage Correct)
Arc Voltage
(-) Cut Angle
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CUTTING QUALITY
ARC VOLTAGE CORRECT
Correct Cutting Speed
Square Top Edge
No Top Dross
Little or No Bottom Dross
Cut Face Smooth
Uniform Lag Lines
ARC VOLTAGE TOO LOW
Correct Cutting Speed
Under Cut Top Edge
Negative Cut Angle
Dross
Cut Face Rough
Vertical Serrated Lag Lines