Maricopa Community Colleges  WLD090   19964-20086 
Official Course Description: MCCCD Approval: 07/22/08
WLD090 19964-20086 L+L 3 Credit(s) 5 Period(s)
Arc/Oxyacetylene Welding, Math and Blueprints
Principles and techniques of electric arc and oxyacetylene welding and cutting. Math calculations and blueprint reading for welding processes. Safety stressed.
Prerequisites: None.
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MCCCD Official Course Competencies:
 
WLD090   19964-20086 Arc/Oxyacetylene Welding, Math and Blueprints
1. Perform basic math calculations for welding processes. (I)
2. Read and interpret blueprints and drawings for welding processes. (II)
3. List procedures for clean up and securing the welding shop. (III)
4. Use proper eye protection/clothing and use shop equipment safely. (IV)
5. Translate information from blueprints into welding application. (V)
6. Operate the resistance welder safely. (VI)
7. Describe the methods of welding aluminum and stainless steel. (VI)
8. Operate, setup, and secure an oxyacetylene welder properly. (VII)
9. Cut and braze with an oxyacetylene welder. (VII)
10. Use common filler metals in welding. (VII)
11. Operate an arc welder in the A.C. and D.C. modes. (VIII)
12. Identify the commonly used electrodes and describe their use. (VIII)
13. Weld aluminum and cast iron. (VIII)
14. Weld in the common positions used in industry. (VIII)
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MCCCD Official Course Outline:
 
WLD090   19964-20086 Arc/Oxyacetylene Welding, Math and Blueprints
    I. Basic math
        A. Addition
        B. Subtraction
        C. Multiplication
        D. Division
        E. Welding problems
      II. Blueprints for welding
          A. Blueprints
          B. Drawings
          C. Datums
          D. View rotations
        III. Shop procedures
            A. Clean up procedures
            B. Securing the shop
          IV. Safety and equipment operation
              A. Safety
                1. Eye protection
                2. Protective clothing
              B. Operation and care of equipment
                1. Hand and pedestal grinders
                2. Hand and drill press
                3. Abrasive cutoff saws
                4. Specialty machines
            V. Translation of information from blueprints
                A. Alphabet of lines
                B. Symbols used in welding blueprints
                C. Basic positions of welding
                D. Common properties of basic metals used in the industry
                E. Designing a project with drawings
              VI. Resistance welder
                  A. Safety and use
                  B. Methods of welding aluminum and stainless steel
                VII. Oxyacetylene welder
                    A. Safety and use
                    B. Setup and securing welder
                    C. Cutting
                    D. Brazing
                    E. Use of common filler metals
                  VIII. Arc welder in A.C. and D.C. modes
                      A. Safety and use
                      B. Commonly used electrodes and their use
                      C. Welding of aluminum and cast iron
                      D. Common welding positions used in industry
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