PCC/ CCOG / WLD

Course Content and Outcome Guide for WLD 112

Course Number:
WLD 112
Course Title:
SMAW: Mild Steel I (E7018)
Credit Hours:
4
Lecture Hours:
0
Lecture/Lab Hours:
80
Lab Hours:
0
Special Fee:
 

Course Description

Develops knowledge and manipulative skills in the use of E7018 mild steel electrodes when performing various welds in the flat and horizontal 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 E7018 electrode to code quality standards in the flat, horizontal, 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 held tool as well as power tool safety.
  • Understand and practice equipment safety for welding and oxy fuel cutting systems.
  • 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

  • Tooling around on your TI-30xa calculator
  • Operating the fraction key on TI-30xa
  • Working with fraction key
  • Adding subtracting fractions
  • Adding and subtracting fractions and mixed numbers

Science on Metal

  • Characteristics of E7018 Low-Hydrogen Electrodes compared to E7010
  • Why €œLow-Hydrogen €œ 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 flat, horizontal, and

 Vertical 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

    • Overlapping welds

    • Follow welding procedure

  • Demonstrate correct welding techniques in the following joints:

    • Flat Position:

      • Bead Plate
      • T-Joint
    • Horizontal Position:

      • T-Joint
      • Lap Joint
      • Out side Corner Joint
      • Groove Joint
    • Vertical Position:

      • T-Joint
      • Lap Joint
      • Single bevel back gouge       
  • Demonstrate visual examination principles and practices

DEMONSTRATE COMPETENCIES WITH AIR CARBON-ARC CUTTING (CAC-A)

  •  Demonstrate correct setup and shutdown procedures

    • Adjust current and air pressure for size of electrode being used
    • Demonstrate the effects of the following variables: electrode angle, amperage setting, air pressure, and travel speed.
    • Demonstrate correct CAC-A gouging techniques on plate steel in the flat, horizontal, and vertical positions
  • Demonstrate visual examination principles and practices