Course Outline of Record

Item	Value
Curriculum Committee Approval Date	04/12/2023
Top Code	095650 - Welding Technology
Units	1.5 Total Units
Hours	54 Total Hours (Lecture Hours 18; Lab Hours 36)
Total Outside of Class Hours	0
Course Credit Status	Credit: Degree Applicable (D)
Material Fee	Yes
Basic Skills	Not Basic Skills (N)
Repeatable	No
Open Entry/Open Exit	No
Grading Policy	Standard Letter (S)

Course Description

A third-level beginning course in arc and oxy-acetylene welding covering safety practices, use of welding, brazing, thermal and mechanical cutting equipment operations on various types of metal. ADVISORY: WELD A141. Transfer Credit: CSU.

Course Level Student Learning Outcome(s)

1. Demonstrate proper safety procedures.
2. Weld various SMAW electrodes in the flat, horizontal and vertical position.
3. Weld GMAW in the flat position.

Course Objectives

• 1. Demonstrate an understanding of basic welding processes and theory.
• 2. Demonstrate welding skills with SMAW equipment.
• 3. Demonstrate joint design and preparation.
• 4. Correctly identify SMAW welding machines.
• 5. Identify polarity and adjust the welding power source to the correct polarity.
• 6. Weld various SMAW electrodes in the flat, horizontal and vertical position.
• 7. Set up and adjust various types of thermal cutting equipment.
• 8. Cut various metals using thermal cutting equipment.
• 9. Demonstrate an understanding of the GMAW machine.
• 10. Correctly identify GMAW electrode classification.
• 11. Weld GMAW in the flat position.

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Lecture Content

Safety General safety rules Welding equipment safety Personal safety in welding Definition of welding Thermal cutting theory and application Oxy-fuel cutting Carbon arc cutting Plasma arc cutting   SMAW equipment and supplies  DC  and AC machines Cables and electrode holders Remote controls Classification of electrodes DC Arc welding Electrical principles Circuits Polarities Constant current machines Duty cycle Proper electrode selection AC Arc welding Characteristics of alternating current Advantages and disadvantages  SMAW theory Starting electrode Arc length geometry Electrode angle Travel speed Stopping the process Weld metal preparation Thermal cutting Machining Grinding Metal joining Welding joints Proper joint preparation GMAW process GMAW equipment Constant Voltage machines Wire feeder Weld gun Regulators, gasses, hoses Electrode classification GMAW theory Starting the weld Arc length geometry Gun angle Travel speed Stopping the process

Lab Content

1. Safety A. General safety rules B. Welding equipment safety C. Personal safety in welding 2. Definition of welding 3. Thermal cutting theory and application A. Oxy-fuel cutting B. Carbon arc cutting C. Plasma arc cutting 4. SMAW equipment and supplies A. DC and AC machines B. Cables and electrode holders C. Remote controls D. Classification of electrodes 5. DC Arc welding A. Electrical principles i. Circuits ii. Polarities iii. Constant current machines iv. Duty cycle B. Proper electrode selection 6. AC Arc welding A. Characteristics of alternating current B. Advantages and disadvantages 7. SMAW theory A. Starting electrode B. Arc length geometry C. Electrode angle D. Travel speed E. Stopping the process 8. Weld metal preparation A. Thermal cutting B. Machining C. Grinding 9. Metal joining A. Welding joints B. Porper joint preparation 10. GMAW process A. GMAW equipment i. Constant Voltage machines ii. Wire feeder iii. Weld gun iv. Regulators, gasses, hoses B. Electrode classification 11. GMAW theory A. Starting the weld B. Arc length geometry C. Gun angle D. Travel speed E. Stopping the process

Method(s) of Instruction

• Lecture (02)
• DE Live Online Lecture (02S)
• Lab (04)
• DE Live Online Lab (04S)

Instructional Techniques

Lecture, demonstrations, evaluation , and critique

Reading Assignments

Proficiency demonstrations, written examinations

Writing Assignments

Proficiency demonstrations, written examinations

Out-of-class Assignments

Proficiency demonstrations, written examinations

Demonstration of Critical Thinking

Skill development demonstration and evaluation.

Required Writing, Problem Solving, Skills Demonstration

Written examinations.

Eligible Disciplines

Welding: Any bachelor's degree and two years of professional experience, or any associate degree and six years of professional experience.

Textbooks Resources

1. Required Galvery, William and Frank Marlow. Welding Essentials: Questions and Answers , 2nd ed. New York: Industrial Press, 2007

Other Resources

1. William Galvery, Orange Coast College Safety Examination