AURVTW103 — Carry out advanced gas metal arc welding on vehicle body sections

Elements & performance criteria

Performance evidence

• use gas metal arc welding (GMAW) equipment to carry out the following welds: a minimum of three butt welds to 0.8 mm and 1.2 mm panel steel in the following positions: down hand, vertical, horizontal
• a minimum of three lap welds to 0.8 mm and 1.2 mm panel steel in the following positions: vertical, horizontal
• a minimum of three plug welds to 0.8 mm and 1.2 mm panel steel in the following positions: down hand, vertical, horizontal
• a minimum of three butt welds on dissimilar material thickness 0.8 mm to 1.2 mm panel steel in the following positions: down hand, horizontal

Knowledge evidence

• methods to locate and interpret information required to carry out manual metal arc welding on components, including: Australian Standard 1554, manufacturer specifications and procedures or equivalent documentation, workplace procedures
• workplace procedures required to carry out manual metal arc welding on components, including: preparing and operating welding equipment, non-destructive testing of completed welds, establishing the serviceability of tools and equipment, documentation procedures, housekeeping procedures, including: examination of tools and equipment, storage of equipment, identification, tagging and isolation of faulty equipment, disposal of excess materials, recycling procedures
• workplace health and safety (WHS) requirements relating to carrying out advanced GMAW on vehicle body sections, including procedures for: selecting and using personal protective equipment (PPE) when working with GMAW equipment, including approved welding helmet; using specialist welding tools and equipment; using protective screens and fume extraction system; manually handling vehicle components and GMAW equipment; identifying and controlling hazards
• environmental requirements relating to carrying out advanced GMAW on vehicle body sections, including procedures for: trapping, storing and disposing of waste materials
• GMAW equipment manufacturer operating procedures
• material and consumable preparation techniques, including characteristics of different metal types, including high strength steels (HSS)
• methods and techniques for advanced GMAW, including: GMAW silicone bronze process, weld speed, weld angle, weld distance, welding positions, welding of dissimilar metal thicknesses, distortion control techniques
• GMAW testing, including: non-destructive inspection, destructive testing
• identification and rectification of weld defects, including: porosity, lack of penetration, excessive weld build-up, excess heat, undercut, weld distortion, heat affected zone
• procedures for safeguarding vehicle electronics during GMAW
• post-weld inspection procedures

Foundation skills

• Learning: Locates required sources of information efficiently.
• Oral communication: Clarifies instructions and procedures Reports quality issues and job outcomes clearly.
• Numeracy: Identifies and sets gas metal arc welder settings Identifies weld measurements from job requirements.
• Planning and organising: Plans own work requirements Prioritises actions to achieve required outcomes Ensures tasks are completed within workplace timeframes.
• Problem solving: Identifies defects, quality issues and potential problems associated with GMAW processes and refers problems to appropriate person.
• Technology: Uses specialist GMAW equipment.

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