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iRubric: GTAW Bead Assessment 1F Position rubric
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GTAW Bead Assessment 1F Position
GTAW Bead Assessment 4F Position
Used to evaluate students performance welding beads in flat position
Rubric Code:
V39B38
By
alderiwa
Ready to use
Public Rubric
Subject:
Vocational
Type:
Project
Grade Levels:
(none)
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GTAW Bead Building In Flat Position
Poor
1 pts
Fair
2 pts
Good
3 pts
Excellent
4 pts
Penetration
Poor
filler metal is on top of base metal, or burn through an bottom of base metal. Hole(s) in base metal
Fair
shows evidence of no penetration in some of the weld.
Good
shows evidence of good penetration in most of the weld.
Excellent
Weld bead has sufficient buildup, and noburn trough
Width of Bead
Poor
Width of weld bead varies 1/4
Fair
Width of bead weld varies 3/16
Good
Width of weld bead varies 1/8
Excellent
Width of weld bead varies 1/16
Height of bead
Poor
Not consistant and very uneven.
Fair
2 - 3 sections of weld bead too high or too low.
Good
1 section or of weld bead too high or too low.
Excellent
weld bead is half the thickness of the metal or more and does not varie more than 1/64
Apperance
Poor
ripples uneven and rough.
Fair
Most of the weld is rough and has uneven ripples.
Good
Some of the weld is rough and has uneven ripples.
Excellent
Weld is smooth and ripples are evenly spaced.
Keywords:
TIG
Subjects:
Vocational
Types:
Project
Assignment
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