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iRubric: GMAW Equipment Set-Up rubric

iRubric: GMAW Equipment Set-Up rubric

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GMAW Equipment Set-Up 
GMAW Equipment Set-Up
Equipment set-up includes welding wire type, size, shielding gas, polarity, volts, IPM and process. Set-up also includes naming the consumable components of the welding gun.
Rubric Code: BX787A9
By Tippy58
Draft
Public Rubric
Subject: Vocational  
Type: Assessment  
Grade Levels: 9-12

Powered by iRubric GMAW Equipment Set-Up
Unit 18 Gas Metal Arc Welding
 

20 pts


10 pts


5 pts


0 pts

Welding Wire Type

Descriptor
18.1.2
Explain the GMAW electrode classification system, the American Welding System (AWS).
20

Student is able to correctly name all of the categories.
1. Type
2. Size
3. AWS specification
10

Student is able to correctly name two the categories.
1. Type
2. Size
3. AWS specification
5

Student is able to correctly name one the categories.
1. Type
2. Size
3. AWS specification
0

Student is not able to correctly name any of the categories.
1. Type
2. Size
3. AWS specification
Shielding Gas

Descriptor
18.2.2
Use wire size and type, tip and shielding gas in accordance with job requirements.
20

Student is able to correctly name all of the categories.
1. Gas type
2. Gas mixture
3. How is gas measured
10

Student is able to correctly name two of the categories.
1. Gas type
2. Gas mixture
3. How is gas measured
5

Student is able to correctly name one of the categories.
1. Gas type
2. Gas mixture
3. How is gas measured
0

Student is not able to correctly name any of the categories.
1. Gas type
2. Gas mixture
3. How is gas measured
Welding Gun Consumables

Descriptor
18.2.2
Use wire size and type, tip and shielding gas in accordance with job requirements.
20

Student is able to correctly name all of the categories.
1. Nozzle
2. Contact tip & size
3. Diffuser
4. Liner
10

Student is able to correctly name 2 of the categories.
1. Nozzle
2. Contact tip & size
3. Diffuser
4. Liner
5

Student is able to correctly name 1 of the categories.
1. Nozzle
2. Contact tip & size
3. Diffuser
4. Liner
0

Student is not able to correctly name any of the categories.
1. Nozzle
2. Contact tip & size
3. Diffuser
4. Liner
Wire Feed Unit

Descriptor
18.1.4
Demonstrate the setup procedure for GMAW equipment.
20

Student is able to correctly demonstrate hands on all of the categories.
1. Wire installation
2. Drive roll installation
3. Thread wire feeder
10

Student is able to correctly demonstrate hands on 2 of the categories.
1. Wire installation
2. Drive roll installation
3. Thread wire feeder
5

Student is able to correctly demonstrate hands on 1 of the categories.
1. Wire installation
2. Drive roll installation
3. Thread wire feeder
0

Student is not able to correctly demonstrate hands on any of the categories.
1. Wire installation
2. Drive roll installation
3. Thread wire feeder
Welder Power Unit

Descriptor
18.1.4
Demonstrate the setup procedure for GMAW equipment.
20

Student is able to correctly demonstrate hands on all of the categories.
1. Power up
2. Polarity
3. Process selection
10

Student is able to correctly demonstrate hands on 2 of the categories.
1. Power up
2. Polarity
3. Process selection
5

Student is able to correctly demonstrate hands on 1 of the categories.
1. Power up
2. Polarity
3. Process selection
0

Student is not able to correctly demonstrate hands on any of the categories.
1. Power up
2. Polarity
3. Process selection




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