Maricopa Community Colleges  TDR101   19886-20086 
Official Course Description: MCCCD Approval: 07/22/08
TDR101 19886-20086 L+L 3 Credit(s) 5 Period(s)
Construction Welding I
Introduction to welding machinery and equipment handling and operation. Includes oxy-acetylene and shielded metal arc welding techniques.
Prerequisites: None.
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MCCCD Official Course Competencies:
 
TDR101   19886-20086 Construction Welding I
1. Define electrical and welding terminology encountered on the job. (I)
2. Read and interpret welding symbols. (I)
3. Demonstrate safety precautions to be followed during welding procedures. (II)
4. Operate AC/DC transformer rectifier controls. (III)
5. Set up and operate an oxy-acetylene welding machine and related equipment. (III)
6. Use the oxy-acetylene machine and equipment to complete flat-position welds, bronze welds, and pipe welds. (III)
7. Cut steel double edges and pierce holes using any oxy-acetylene machine and equipment. (III)
8. Select the proper electrode to complete metal arc welding. (III)
9. Set up shielded metal arc welding machines and related equipment. (III)
10. Strike and control an arc to complete shielded metal arc welding jobs.(III)
11. Complete the following types of welds using a chileded metal are machine and its equipment: a. Continuous Bead b. Position Joint c.Horizontal Joint d. Vertical Position Joint. (III)
12. Identify testing requirements associated with the welding trade. (IV)
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MCCCD Official Course Outline:
 
TDR101   19886-20086 Construction Welding I
    I. Introduction
        A. Terms
          1. Electrical
          2. Welding
        B. Arc Welding Circuits
          1. AC Welding
          2. DC Welding
          3. Polarity
            a. Electric Welding Circuit
            b. Reverse Polarity
            c. Straight Polarity
        C. Welding Symbols
          1. Base
          2. Types
          3. Location
          4. Combining
          5. Size
      II. Welding Safety
          A. Live Circuits
          B. Range Switch
          C. Power Circuit Ground
          D. Welding Circuit
          E. Electric Holder
          F. Personal Protection
            1. Face
            2. Eyes
            3. Clothing
          G. Fire Hazards
          H. Ventilation
          I. Hot Metals
          J. Grinding and Chipping
          K. Compressed Gas Cylinders
        III. Welding Methods
            A. AC-DC Transformer Rectifier
              1. Controls
                a. Types
                b. Operating Procedures
            B. Oxy-Acetylene Welding
              1. Machined and Accessories
              2. Set up and Operation
              3. Flat Position
              4. Bronze Welding
              5. Pipe Welding
              6. Flame Cutting
            C. Shielded Metal Arc Welding
              1. Machines and Accessories
              2. Electrodes
                a. Selection
                b. Identification
                c. Operating Characteristics
              3. Striking an Arc
              4. Continuous Beads
              5. Flat Position Joints
              6. Horizontal Positions
              7. Vertical Position
          IV. Qualification Test
              A. Pipe Welding Operators Test
              B. Mechanical Test
              C. Guide Bend Test
              D. Tension Test
              E. Nick Breaker Test
              F. Procedure Specifications
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