CTSPlanner
Sign-in not configured
← Mechanics

MEC1165 Mechanics Welding Fundamentals

Introductory · 1 credit · TMT - Trades, Manufacturing and Transportation

Description
Students perform metal heating and cutting operations safely using oxyacetylene equipment, and perform non-structural welding using Gas Metal Arc Welding (GMAW) equipment.
Prerequisite
MEC1015: Mechanics Tools & Materials
Parameters
Access to a materials work centre, complete with oxyacetylene heating and cutting equipment, GMAW equipment, fabrication facilities, and to instruction from an individual with formal specialized training in oxyacetylene and GMAW.

Outcomes The student will:

  • 1 identify and demonstrate the use of personal protective equipment

    • 1.1 use an appropriate fire extinguisher in the event of fire

    • 1.2 use eye protection

    • 1.3 use protective clothing

    • 1.4 use protective footwear

    • 1.5 use proper ventilation

    • 1.6 follow proper safety procedures

  • 2 describe the characteristics and safe handling procedures for oxygen and acetylene

    • 2.1 identify and describe the properties of oxygen gas

    • 2.2 identify and describe the make-up of an oxygen cylinder/bottle including valves and safety devices

    • 2.3 identify and describe the properties of acetylene gas

    • 2.4 identify and describe the make-up of an acetylene cylinder/bottle including valves and safety devices

    • 2.5 correctly follow cylinder transport procedures

    • 2.6 correctly mount cylinder and attach regulator and hoses

  • 3 demonstrate safe handling procedures for regulators and hoses

    • 3.1 identify and describe regulators and torches including:

      • 3.1.1 purpose

      • 3.1.2 regulator types

      • 3.1.3 torch types

      • 3.1.4 identification, hoses

      • 3.1.5 flashback arrestors

      • 3.1.6 torch check valves–reverse flow check valves

      • 3.1.7 torch types and parts

  • 4 demonstrate the safe use, care and maintenance of torches and tips

    • 4.1 identify and describe conditions that lead to backfires and flashbacks

    • 4.2 identify and describe flame types and functions

    • 4.3 demonstrate:

      • 4.3.1 purge and leak tests

      • 4.3.2 start-up and shut-down procedures

    • 4.4 demonstrate:

      • 4.4.1 correct heating tip selection

      • 4.4.2 check and clean tips and torches

      • 4.4.3 install tips

      • 4.4.4 balance regulators and adjust torch flame

      • 4.4.5 heat metal

      • 4.4.6 shut down equipment

  • 5 perform basic cutting operations

    • 5.1 fit, light and adjust cutting torch

    • 5.2 maintain cutting torch and tips

    • 5.3 select correct tip for planned activity

    • 5.4 cut holes in metal plate

    • 5.5 cut and remove rivets and bolts

    • 5.6 shut down cutting torch Using GMAW Welding Equipment:

  • 6 identify and demonstrate the use of personal protective equipment

    • 6.1 identify the appropriate fire extinguisher in the event of a fire

    • 6.2 use eye protection

    • 6.3 use protective clothing

    • 6.4 use protective footwear

    • 6.5 use proper ventilation

    • 6.6 follow proper safety procedures

  • 7 describe the principles of operation of GMAW

    • 7.1 identify and describe:

      • 7.1.1 principles of operation

      • 7.1.2 metal transfer

  • 8 identify the components of a basic GMAW set-up

    • 8.1 apply safe work practices and procedures to:

      • 8.1.1 select and use appropriate personal protective equipment

      • 8.1.2 maintain a clean and tidy work station

      • 8.1.3 demonstrate safe tool/material handling and storage techniques

    • 8.2 for a given type of weld and/or weldment, select the appropriate:

      • 8.2.1 wire type, size and feed rate

      • 8.2.2 current

      • 8.2.3 shielding gas type and flow rate

    • 8.3 prepare and clean all surfaces to be welded

    • 8.4 properly position metal for welding

    • 8.5 identify precautions to take against electric shock, toxic fumes and radiant energy associated with GMAW

  • 9 diagnose and demonstrate corrective measures for malfunctioning GMAW equipment

    • 9.1 describe and demonstrate the maintenance required for wire drive systems and gun assemblies

  • 10 demonstrate basic welding technique

    • 10.1 demonstrate tack weld components to gain competency

    • 10.2 make light-gauge fillet welds in the flat and horizontal position and down-hand fillet welds on light gauge tubing

  • 11 demonstrate basic competencies

    • 11.1 demonstrate fundamental skills to:

      • 11.1.1 communicate

      • 11.1.2 manage information

      • 11.1.3 use numbers

      • 11.1.4 think and solve problems

    • 11.2 demonstrate personal management skills to:

      • 11.2.1 demonstrate positive attitudes and behaviours

      • 11.2.2 be responsible

      • 11.2.3 be adaptable

      • 11.2.4 learn continuously

      • 11.2.5 work safely

    • 11.3 demonstrate teamwork skills to:

      • 11.3.1 work with others

      • 11.3.2 participate in projects and tasks

  • 12 make personal connections to the cluster content and processes to inform possible pathway choices

    • 12.1 complete/update a personal inventory; e.g., interests, values, beliefs, resources, prior learning and experiences

    • 12.2 create a connection between a personal inventory and occupational choices

Program of Studies 2009. Source document, © Alberta Education.