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iRubric: Welding 1-MIG Welding Rubric
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Welding 1-MIG Welding Rubric
Welding 1-MIG Welding Rubric
Students will use MIG welding techniques to weld a variety of weld joints including a Tee joint, Butt joint and Lap joint. Students will also complete a bead plate.
Rubric Code:
WX578WC
By
teachr12983
Ready to use
Public Rubric
Subject:
Vocational
Type:
Assessment
Grade Levels:
9-12
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Welding Joints
Advanced
20 pts
Proficient
15 pts
Basic
10 pts
Below Basic
5 pts
Total Points
(N/A)
Weld width and height:
Advanced
Bead is uniform width all along the length of each weld. Has a smooth appearance
Proficient
Bead maintains width and length. Shows some small blemishes along the weld
Basic
Not a uniform thickness through out the weld. Thickness goes to extremes
Below Basic
Weld is cut off in places, not uniform along the weld. Shows bare spots
Total Points
Appearance
Advanced
Weld shows a constant speed and uniformity the entire length
Proficient
Weld shows a constant speed with some blemishes that are minimal
Basic
Weld shows definite areas of speeding up and slowing down. Ripples tend to be coarse
Below Basic
Weld has been done to fast or to slow. Weld is not complete
Total Points
Face of bead:
Advanced
Has a nice rounded look. Is not overly high, or low. Bead covers a wide area of each weld.
Proficient
Bead is well rounded, mostly uniform over the length of the weld. Shows some high spots and low spots
Basic
Bead shows many high and low area's. Total lack of uniformity throughout the weld
Below Basic
Weld does not blend into one single bead.
Total Points
Edge of bead
Advanced
Sides and edges are smooth blending into each weld. Undercutting is kept to a minimum, Weld does not float on surface
Proficient
Moderately smooth blending. Undercutting and float are present. Stength of the weld is still strong
Basic
Float and undercut are very apartent. Weld lacks strength and flow
Below Basic
Metal is burned through. Weld has no connection to metal,
Total Points
Beginning and ending full size
Advanced
End of each weld is complete, the line doesn't taper off
Proficient
Weld ending is full but shows some tapering and a craterpresent
Basic
Crater distinctly present at the end of the bead.
Below Basic
Metal is burned through at the end
Total Points
Penetration
Advanced
Weld penetrates deep into the metal and adds strength and fusion to the edges and depth.
Proficient
Weld penetrates deep but does not re surface through the bottom of a jointed welds.
Basic
Weld is uneven in depth, lacks uniformity along weld length.
Below Basic
Weld floats on top of the metal. Has no strength
Total Points
Enter Title
Subjects:
Vocational
Types:
Project
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Assessment
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