Gaston College Apprenticeship 321

On-the-job Training

• Shielded Metal Arc Welding
  • Machine settings, polarity uses, voltage, amperages, cable size selection
  • Electrodes identification and Uses
  • American Welding Society number system - coating flux analysis
  • Actual welding time experience: Manual horizontal welding
  • Actual welding time experience: Manual vertical up and down welding
  • Actual welding time experience: Manual overhead welding
  • Actual welding time experience: Manual pipe welding all positions
  • Actual welding time experience: Hardfacing electrodes
• Gas Metal Arc Welding
  • Machine settings, polarity uses, voltage, amperage, slope and inductance uses
  • Short arc, spray arc, pulse arc uses and selections
  • Uses and selection of shielding gases
  • Selection of alloy wires, solid and tubular, and flux cored
  • Hardfacing wires
  • Actual welding time experience
• Submerged Arc Welding
  • Machine settings, polarity uses, voltage, amperage, slope and inductance uses
  • Granular and agglomerated fluxes and their uses and selections
  • Operation of flux recovery and processing equipment
  • Care and operation of solid state electrical systems in submerged arc welding console and welding positioner
  • Selection of solid wires and tubular wires and their uses
  • Actual welding time and experience
• Gas Tungsten Arc Welding
  • Machine settings, polarity uses, voltage amperage, high frequency uses and gas functions and selection
  • Selection of shielding gases, and their effecton various metals and alloys
  • Actual welding time experience
• Oxygen Acetylene Cutting and Welding
  • Selection of equipment and gas regulation,cylinder manifolding, pressure settings
  • Cylinder gas handling and physics of gases
  • "Safety in Welding and Cutting" (AWS handbook)
  • Actual time and experience torch cutting,torch welding of steels, brazing and fusion welding, machine torch cutting, hardface weldclading and powder spray torch fusewelding
• Metalizing, Fused Metalizing Coatings and ARC-Spray Metalizing
  • Setting up equipment and preparation of parts tobe processed
  • Selection and identification of materials in wire form, powdered alloy form
  • Machine settings and operations
  • Actual time and experience
• Electrical Pratices
  • Maintenance and repair of electric welding power source units
  • Basic wiring of primary electric current