Standard

 

ACR 106 - 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, oxyfuel welding, metal cutting techniques, resistance welding, unibody welding techniques, weld removal techniques, and safety procedures, and plasma arc cutting.

 

Competency Areas

Hours

 

MIG Welding  

Class

2

Oxyfuel Welding          

D. Lab

2

Metal Cutting Techniques

P. Lab/O.B.I.

3

Resistance Welding

Credit

4

Unibody Welding Techniques

 

 

Weld Removal Techniques

 

 

Plasma Arc Cutting

 

 

 

 

 

Prerequisite/Corequisite::

ACR 100, ACR 107

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

MIG WELDING                              

3

5

10

Classifications

Identify the three classes of welding.

 

 

 

Setup and operation

Explain, set up, and properly operate a MIG welding machine. 

 

 

 

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.

 

 

 

OXYFUEL WELDING                     

3

3

Classifications

Identify oxyfuel welding equipment, and 3 flames used.

 

 

 

Set up and operation

Demonstrate ability to set up equipment.

Light and adjust 3 flames properly.

 

 

 

Techniques and procedures

Explain general brazing and soldering techniques.

 

 

 

 

Demonstrate ability to use oxyfuel equipment to braze and solder.

 

 

 

 

Demonstrate ability to fusion weld with steel rods.

 

 

 

METAL CUTTING TECHNIQUES           

3

3

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.

 

 

 

RESISTANCE WELDING  

2

3

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

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           

2

3

Equipment

Identify weld removal equipment.

 

 

 

Techniques and procedures

Demonstrate ability to properly remove weld joints, spot welds, braze joints.

 

 

 

SAFETY PROCEDURES    

2

2

Procedures

List safety procedures important to each welding operation.

 

 

 

 

Perform all welding and cutting operations using proper safety procedures.

 

 

 

PLASMA ARC CUTTING

2

2

3 

 Techniques and procedures

Demonstrate safe use of plasma equipment, procedures, and operations.

 

 

 

 

Suggested Resources

 

Books

 

Althouse, A. D., et al. (1984). Modern welding. South Holland, IL: Goodheart-Willcox.

Deroche, A. G., & Hildebrand, N. N. (1986). The principles of auto body repairing and repainting (4th ed.). Englewood Cliffs, NJ: Prentice Hall.

 

Audiovisuals

 

Chudy, H. T. (1988). The complete guide to automotive refinishing (2nd ed.). Englewood Cliffs, NJ: Prentice Hall.

Deroche, A. G. (1988). Automotive collision estimating and repair. Englewood Cliffs, NJ: Prentice Hall.

Deroche, A. G. (1988). Automotive refinishing handbook. Englewood Cliffs, NJ: Prentice Hall.

I-CAR. (1984). Unibody auto collision repair (Series 1-9). Des Plaines, IL: Author.

Sacks, R. J. (1981). Welding: Principles and practices (rev ed.). Peoria, IL: Bennett & McKnight.

Georgia Department of Technical and Adult Education. (1988). Setting up welding equipment: State program (Slide and Cassette). Atlanta: Author.