Aluminum Welding WELD 0115

Learning Outcomes

Upon successful completion, the student will be able to:

• Describe the principles of operation of the GMAW process.
• Identify the components of a basic GMAW aluminium set-up.
• Identify the power sources for GMAW.
• Identify GMAW aluminium wire feed systems.
• Describe the mode of metal transfer for aluminium.
• Identify the shielding gases used in GMAW as it pertains to aluminium and describe shielding gas equipment and set-up.
• Describe aluminium welding gun assemblies for GMAW.
• Identify aluminium electrode wires for GMAW.
• Describe the functions of pre-selected adjustable variables in GMAW.
• Identify weld defects in GMAW.
• Describe joint preparation for GMAW.
• Describe corrective action and trouble-shooting procedures for GMAW.
• Weld stringer beads and fillet welds in various positions as determined by Instructor.
• Describe the GTAW process.
• Identify the function of the electrode in GTAW.
• Identify the function of shielding gases in GTAW.
• Identify the basic components of a GTAW work station.
• Identify applications of GTAW.
• Describe the advantages and disadvantages of the GTAW process.
• Identify the safety requirements for GTAW.
• Describe types of GTAW power sources.
• Identify types of shielding gases used in GTAW.
• Describe flowmeters and gas regulators.
• Identify types of GTAW electrodes.
• Assemble GTAW equipment.
• Describe joint preparation for GTAW.
• Identify weld defects common to GTAW.
• Strike an arc using both the touch start and the high frequency methods.
• Weld stringer beads in the flat position on aluminium sheet.
• Perform fillet welds in various positions on lap and tee joints as determined by the Instructor.

Effective as of Fall 2003

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