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iRubric: Welding Joints Oxygen/ Acetylene rubric
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Welding Joints Oxygen/ Acetylene
Welding Joints Oxygen/ Acetylene
Used to evaluate students performance on welding beads and joints
Rubric Code:
VXX4W26
By
Smithers72
Ready to use
Public Rubric
Subject:
Vocational
Type:
Project
Grade Levels:
9-12
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Oxy/acetylene welding
Unacceptable
(N/A)
Needs Improvement
(N/A)
Acceptable
(N/A)
Very good
(N/A)
(N/A)
Penetration
Unacceptable
filler metal is on top of base metal, or burn through an bottom of base metal. Hole(s) in base metal
Needs Improvement
shows evidence of adi penetration in some of the weld.
Acceptable
shows evidence of good penetration in most of the weld.
Very good
Weld bead has sufficient buildup, and no burn through
N/A
Width of Bead/Uniformity
Unacceptable
Width of weld bead varies 3/32
Needs Improvement
Width of bead weld varies 1/16
Acceptable
Width of weld bead varies 1/32
Very good
Width of weld bead varies 1/64
N/A
Height of bead
Unacceptable
Not consistant and very uneven.
Needs Improvement
2 - 3 sections of weld bead too high or too low.
Acceptable
1 section or of weld bead too high or too low.
Very good
Uniform correct bead build-up
N/A
Appearance
Unacceptable
ripples uneven and rough.
Needs Improvement
Most of the weld is rough and has uneven ripples.
Acceptable
Some of the weld is rough and has uneven ripples.
Very good
Weld is smooth and ripples are evenly spaced.
N/A
Proper Placement
Unacceptable
Not welded in joint
Needs Improvement
Welded in an out of the joint , legs unequal
Acceptable
Welded mostly in the joint and fairly correct
Very good
Excellent job of weld placement and equal legs
N/A
Subjects:
Vocational
Types:
Project
Assignment
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