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Official Course
Description: MCCCD Approval:
3-24-09 |
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WLD209 2009
Summer I - 9999 |
L+L |
3.0 Credit(s) |
8.0 Period(s) |
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Shielded Metal Arc Welding (SMAW) (Arc) Gas Metal Arc
Welding (GMAW) (Mig) |
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Provides skill development in Gas Metal Arc Welding (GMAW/mig) and Shielded Metal Arc Welding (SMAW). Classes are conducted in laboratories that are equipped with modern industrial welding equipment and emphasize skill development with advanced welding techniques utilizing tig and mig machines. Prerequisites: WLD101 or WLD102 or permission of Instructor.. |
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Go to Competencies Go to Outline
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MCCCD Official Course Competencies: |
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WLD209 2009 Summer I - 9999 |
Shielded Metal Arc
Welding (SMAW) (Arc) Gas Metal Arc Welding (GMAW) (Mig) |
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1. Describe
and explain the safety requirements needed in shop area while welding (I) 2. Demonstrate
the process of setting up welding procedures (I) 3. Explain
and demonstrate weld testing positions (II) 4. Identify
different types of metal testing methods used in industry (III, IV) 5. Identify
the different types of alloys and the applications of each (V) 6. Describe
the mig/arc welding process (VI) 7. Explain
the various parts of a mig/arc welding machine (VI) 8. Perform
and demonstrate welding procedure as related to mig/arc
welding (VI) 9. Compare
and contrast the different types of alloys and their applications (VI) 10. Prepare
for certification testing for mig/arc welding
(I,II, III, IV, V, VI, VII) |
Go to Description Go to top of Competencies
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MCCCD Official Course Outline: |
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WLD209 2009 Summer I - 9999 |
Shielded Metal Arc
Welding (SMAW) (Arc) Gas Metal Arc Welding (GMAW) (Mig) |
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I. Safety A. Equipment in lab 1. Iron worker 2. Grinder 3. Manifold system B. Operation of cutting equipment 1. Track cutters 2. Hand cutters C. Electric welders 1. Alternating Current (AC) Direct Current (DC) 2. Electric shock 3. ARC rays/fly objects II. Testing Positions A. Flat – 1G B. Horizontal – 2G C. Vertical – 3G D. Overhead – 4G III. Testing Procedures A. Joint types B. Position of work C. Material analysis D. Testing method E. Allowable tolerance IV. Metal Identification A. Appearance B. Weight C. Spark Test D. Hardness E. Magnetism F. Cross-sectional break area V. Testing Methods A Guided bend test B. Tensile strength test C. X-ray examination D. Ultrasonic E. Pressure test F. Static load test VI. Wire Feed (MIG) A. Description of process B. Equipment C. Procedures D. Application VII. Arc (SMAW) A. Machines B. Arc Initiation C. Four Key Points D. Beads E. Electrodes F. Welding Techniques G. Weld Quality H. Weld Defects I. Application J. Testing and Certification K. Considerations Before Welding |