Standard

R State Standard £ Institutionally Developed College: NA

ACR 1060 - Welding and Cutting
Course Description Introduces welding and cutting procedures used in auto collision repair. Emphasis will be placed on MIG welding techniques. Topics include: MIG welding, aluminum welding and repair, metal cutting techniques, resistance welding, unibody welding techniques, weld removal techniques, plasma arc cutting, plug welding, butt welding, lap welding, and safety procedures.
Competency Areas	Hours
MIG Welding	Class	3
Aluminum Welding	D. Lab	4
Metal Cutting Techniques	P. Lab/O.B.I.	3
Resistance Welding	Credit	6
Unibody Welding Techniques
Weld Removal Techniques
Plasma Arc Cutting
Plug Welding Collision Repair
Butt Welding Collision Repair
Lap Welding Collision Repair
Safety Procedures

Prerequisite:	Program admission
Corequisite:	ACR 1000, ACR 1010, and ACR 1020

Course Guide

Competency	After completing this section, the student will be able to:	Hours
		Class	D. Lab	P. Lab/ O.B.I.
MIG WELDING		3	4	3
Classifications	Identify the three classes of welding.
Setup and operation	Explain, set up, and properly operate a MIG welding machine.
	Demonstrate ability to prepare a panel for welding with the MIG welder by removing rust, paint, caulking and thoroughly cleaning metal and fitting and clamping metal for welding.
Techniques and procedures	Name the six basic welding techniques.
	Demonstrate ability to use MIG welding in application of 6 basic welding techniques.
	Identify basic welding joints and properly make each with MIG welding equipment.
Adjustments	Set all adjustments and obtain correct wire size for metal to be welded.
ALUMINUM WELDING		3	4	3
MIG welding	Demonstrate the ability to MIG weld Aluminum in accordance with manufacturer’s specifications
METAL CUTTING TECHNIQUES		2	2	2
Equipment set up	Identify cutting equipment.
	Demonstrate the ability to set up equipment.
Techniques and procedures	Light and adjust proper cutting flame properly.
	Demonstrate ability to cut different thickness of metal.
	Identify and properly cut metal with mechanical cutters.
Equipment set up	Identify cutting equipment.
	Demonstrate the ability to set up equipment.
RESISTANCE WELDING		2	3	2
Equipment	Identify resistance welding equipment.
Techniques and procedures	Determine how and when to use resistance welding.
	Properly set up and use resistance equipment.
UNIBODY WELDING TECHNIQUES		3	3	3
Metal identification	Identify high strength steels.
	Explain how it is affected by heat ranges.
Temperature sticks	Explain why and how to use temperature sticks.
Techniques and procedures	Follow proper cutting and welding techniques.
WELD REMOVAL TECHNIQUES		3	4	3
Equipment	Identify weld removal equipment.
Techniques and procedures	Demonstrate ability to properly remove weld joints, spot welds, braze joints.
PLASMA ARC CUTTING		3	4	3
Techniques and procedures	Demonstrate safe use of plasma equipment, procedures, and operations.
PLUG WELDING COLLISION REPAIR		3	4	3
Requirements	Explain gun movement, time, and burn back settings. Identify size of plug weld for different gauges of metal.
Repair procedure	Demonstrate methods of cutting holes in metal for plug welding.
	Demonstrate plug weld on test panel.
BUTT WELDING COLLISION REPAIR		3	4	3
Requirements	Demonstrate proper fitting of two edges to be welded.
	Demonstrate proper types of weld to eliminate warpage of metal.
Repair procedure	Demonstrate lead width and height for proper weld.
	Demonstrate proper procedures on a test panel.
LAP WELDING COLLISION REPAIR		3	4	2
Requirements	Explain and demonstrate the lap weld and when to use this weld.
Repair procedure	Demonstrate proper settings on equipment.
	Prepare metal for proper lap weld.
	Demonstrate lap weld on test panel.
SAFETY PROCEDURES		2	4	3
Rules	Demonstrate compliance with general shop safety rules.
Procedures	List safety procedures important to each welding operation.
	Perform all welding and cutting operations using proper safety procedures.

Suggested Resources

Media Print Audio/Visual Web Other
Print	Duffy, James E. Auto body repair technology (5^th Ed.). (2009). New York: Delmar – Cengage. Duffy, James E. Auto body repair technology (4^th Ed.). (2004). New York: Delmar Learning.
A/V	Aluminum gma (mig) welding: WCA01 [CD-ROM]. (2007). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor]. Steel gma (mig) welding: WCS01 [CD-ROM]. (1999). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor]. Squeeze-type resistance spot welding: WCS04 [CD-ROM]. (2007). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor]. Aluminum gta (tig) welding: WCA04 [CD-ROM]. (2001). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Posted: 08/19/09