Chabot College
Fall 2010
Course Outline for Welding Technology 65B
ADVANCED TIG, MIG, AND BLUEPRINT READING
Catalog Description:
65B – Advanced TIG, MIG, and Blueprint Reading
(May be repeated three times)
3 units
Advanced theory and skill development of GTAW and GMAW processes with applications including
ferrous and non-ferrous metals and their alloys in the both vertical and overhead positions according
to AWS codes and standards, advanced blueprint reading and fitting, oxyacetylene brazing, flame
and plasma cutting, electrodes and wire selection, advanced blueprint reading and practical
interpretation of welding symbols, proper and safe use of shop and welding equipment, hazardous
material regulations. Strongly recommended: Welding Technology 65A and Welding Technology 70.
1 hour lecture, 6 hours laboratory.
[Typical contact hours: lecture 17.5, laboratory 105]
Prerequisite Skills:
None
Expected Outcomes for Students:
Upon completion of the course, the student should be able to:
1. properly describe, identify and set GTAW and GMAW welding equipment according to their
manufacturing requirements, their relevance and functionality;
2. handle welding and shop equipment in a safe manner;
3. demonstrate proper usage of welding power supply;
4. properly identify metals and metal alloy’s weld-ability;
5. understand and interpret metallurgical transformation in welds and welding heat affected
area;
6. correctly identify and use electrodes, flux-core wires and welding consumables;
7. read, understand and apply blueprints, welding symbols, and shop sketches;
8. perform math calculation from blue prints and welding symbol dimensions;
9. identify hazardous material and apply safety norms in shop environment;
10. perform sound welds using GTAW and GMAW processes in both vertical and overhead
positions according to AWS codes.
Course Content (Lecture):
1. Welding power supplies and their application
2. Metallurgical welding related transform and their relevance to the welding industry
3. Welding techniques applied to perform GTAW and GMAW welds in 3G, 4G, 3F, and 4F
welding positions
4. The weld-ability of metals and their alloys
5. Welding related distortion and distortion control techniques
6. Welding procedure qualifications in accordance with AWS codes
7. OSHA industrial safety requirements regulations
8. Estimating welding costs
9. Technical math application and methods of weld cost calculation
10. Advanced theory of blueprint reading, layout, fitting of industrial assembly and subassembly
11. Equipment and shop maintenance
12. Welding certification preparation
Chabot College
Course Outline for Welding Technology 65B, Page 2
Fall 2010
Course Content (Laboratory):
1. Welding power supplies selection and settings related to their application
2. Metallurgical welding related transformations and their relevance to the welding industry
3. Welding techniques applied in producing GTAW and GMAW process welds in the following
positions: 3G, 4G, 3F, and 4F
4. Demonstration and practice of weld-ability of similar and dissimilar metals and their alloys
5. Performance of destructive and nondestructive tests using plasma and fuel cutting practice
and shop related equipment. Study of the welding metallurgical modification of the weld bed
and its HAZ (heat affected zone)
6. Identify and reason related metallurgical and non metallurgical welding discontinuities and
defects ascertaining proper control related techniques in order to satisfy AWS testing
requirements
7. Identify and apply appropriate procedures for the elimination of hazardous materials
according to the OSHA material safety data sheet
8. Assessing the various layouts and fitting designs on welding costs including technical math
calculations
9. Reading and applying blueprints and welding symbols for layout, fitting of industrial
applications
10. Equipment and shop maintenance
11. Performance of the welding practice test according to the AWS codes in 3G, 4G, 3F, and 4F
welding positions
Methods of Presentation:
1.
2.
3.
4.
Lectures and discussions
Models, laboratory studies
Videos
Laboratory demonstrations
Assignments and Methods of Evaluating Student Progress:
1. Typical Assignment:
Properly set up and adjust the GMAW machine, select the appropriate settings, select two
pieces of mild steel sheet (1/2 thick) and perform a butt joint, wave beats welds in the
overhead position (4G).
a. Obtain 1/2 in. plate and oxyacetylene cut and bevel along the longest side at 30 degree
angle two 7 in. by 4 in. plates
b. Set up the machine with 0.035 inch diameter ER70S-6 solid wire
c. Set the power supply on DC reverse polarity according to the respective machine chart
for gas/gases, wire speed, voltage, and material thickness and wire size.
d. Set up and tack plates at each end and in the overhead position (make sure that it is
connected to the work connection)
e. Perform and submit the welds for instructor inspection for each performed pass.
f. Practice until will produce consistently sound welds
g. Cut two1 & 1/2 in. testing specimens across the practiced welds and perform two bending
tests one face up and the second face down
h. Inspect and discuss the results with your instructor
2. Methods of Evaluating Student Progress
a. Class participation
b. Laboratory assignments and projects.
c. Student laboratory written reports
d. Homework assignments
Chabot College
Course Outline for Welding Technology 65B, Page 3
Fall 2010
e. Quizzes
f. Midterm examination
g. Final examination
Textbook(s) (Typical):
1. Welding Principles and Application, (7th Edition) Larry Jeffus, 2008 (Recommended but not
required)
2. Welding Lab Manual, Doug Snyder, 2004*
*Rationale: This book more completely covers the subject matter taught in the Welding
Technology program than any other textbook we have found.
3. Blue Print Reading, (8th edition) by A.E. Bennett & Louis J. Siy, 2008
Special Student Materials:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Welding protective clothing
Welding gloves
Welding goggles
Welding helmet
Welding safety glasses
Welding jacket
Welding boots
Pure tungsten 3/32 rod
2% thorium oxide tungsten 3/32 rod
DR
Weld65B course outline
Revised: Sept2009