Course Content and Outcome Guide for WLD 113
- Course Number:
- WLD 113
- Course Title:
- Shielded Metal Arc Welding: Mild Steel II (E7018)
- Credit Hours:
- Lecture Hours:
- Lecture/Lab Hours:
- Lab Hours:
- Special Fee:
Course DescriptionDevelops knowledge and manipulative skills in the use of E7018 mild steel electrodes when performing various welds in the vertical and overhead positions. Welding applied math and science included. Department permission required. Audit available.
Addendum to Course Description
This is an outcome-based course utilizing a lecture/lab format. This course includes classroom discussions, videotapes, and lab demonstrations covering technical skills. Course outcomes will include; theoretical concepts, layout, fabrication, welding, oxyfuel cutting, safety and environmental awareness, communication, computations and human relations.
Intended Outcomes for the course
- Function safely in the PCC Welding Shop.
- Demonstrate professional work ethics (Habits)
- Operate oxyfuel portable and track cutting systems in accordance with industry standards
- Interpret drawing and symbols to accurately layout a project; prepare and assemble to specified tolerances; and weld joints in accordance to AWS D1.1.
- Weld common joints with the E7018electrode to code quality standards in the Overhead and Vertical positions
Outcome Assessment Strategies
The student will be assessed on his/her ability to demonstrate the development of course outcomes. The methods of assessment may include one or more of the following: oral or written examinations, quizzes, written assignments, visual inspection welding tests, safe work habits, task performance and work relations.
Course Content (Themes, Concepts, Issues and Skills)
Function safely in the PCC Welding Shop
- Understand and practice personal safety by using proper protective gear.
- Understand and practice hand tool safety and power tool safety
- Understand and practice equipment safety for welding and oxy fuel cutting systems.
Science on Steel
- Characteristics of E7018 Low-Hydrogen Electrodes compared to E7010
- Why Low-Hydrogen prevents Cracking in Welds
- Advantages of E7018 Electrode for SMAW
- Disadvantages of E7018 Electrodes for SMAW
- Mechanical Properties of Weld Metal deposited by SMAW with E7018
- Codes Requiring E7018 Low-Hydrogen Electrodes
- Hydrogen Designators by AWS
- Flux Composition of E7018 Electrode
- Alloy Variations of E7018 Electrode
- Iron Powder in E7018 Electrode
- Baking of E7018 Electrodes
- Arc Length and Arc Voltage
- Arc Starting
Operate oxy-acetylene portable and track cutting systems in accordance with industry standards
- Demonstrate correct setup and shutdown procedures for the hand cutting and track cutting systems.
- Perform oxy fuel cutting with guided practice.
Interpret drawing and symbols to accurately layout, prepare and assemble weld joints
- Interpret lines, symbols and verbiage on project drawing
- Layout material per drawing specifications
- Use the oxyfuel cutting process to cut material to specified dimensions.
- Grind material to meet specifications.
- Assemble weld project per specification.
Weld common joints with the E7018 to code quality standards in the horizontal, vertical and overhead positions
- Use correct terminology.
Define terms used in the SMAW process.
- Equipment identification, setup, shut down, and principles of operation for SMAW.
Power source identification and adjustment
Welding lead, connections, inspection, and use
Electrode identification, characteristics, and use
- Know essential variables of SMAW by demonstrating the effects of the following variables: current, travel speed, electrode angle and arc length.
- Demonstrate correct welding techniques with the E7018
Starting and stopping
Follow welding procedure
Demonstrate correct welding techniques in the following joints:
Out side corner
Single Bevel V-groove
Out side Corner Joint
Demonstrate visual examination principles and practices
- Understand and maintain a safe work area.
Recognize and report dangerous electrical and air/gas hose connections.
Understand and practice fire prevention.
- Access and explain the importance Material Safety Data Sheets (MSDS).
Demonstrate professional work ethics (Habits)
- Track training hours on time card
- Perform projects in accordance to specifications and procedures
- Follow directions in a positive manner
- Manage time productively
- Respects equipment and others
- Demonstrate skill in problem solving and decision making
Apply math and science concepts to the welding related process
Math on Metal
- Calculating Fractional Tolerances
- Comparing Fractions