PCC/ CCOG / WLD

Course Content and Outcome Guide for WLD 151

Course Number:
WLD 151
Course Title:
SMAW Cer Prac:Unlim Thk Mld St
Credit Hours:
3
Lecture Hours:
0
Lecture/Lab Hours:
72
Lab Hours:
0
Special Fee:
 

Course Description

Covers safety, welding technique, and qualification procedures in compliance with AWS D1.1 structural test. Department permission required. Audit available.

Addendum to Course Description

This is a 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 test assembly with E7018 electrode 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 and 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
  • Calculating Fractional Tolerances
  • Comparing Fractions
Science on Metal
  • Importance of Code Qualification
  • Why Mechanical Properties Testing
  • AWSD1.1 Structural Welding Code-Steel
  • Significance of Bend Testing
  • Bend Testing of Welds Deposited with E7018 and other Low Hydrogen Electrodes
  • Guided Bend Test vs. Free Bend Testing
  • Tensile Testing and Charpy V-Notch Impact Testing
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-acetylene 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 test assembly with the E7018 to code quality standards in the overhead 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:
    • Horizontal  
      • V-Groove
    • Overhead Position             
      • V-Groove
    • Vertical Position:
      • V-Groove
Certification Procedures
  • Interpret code for allowable limits of discontinuities
  • Examine weld profiles to determine acceptability
  • Understand test coupon preparation
  • Follow preheat requirements
  • Examine shop test to determine acceptability
  • Complete bend test to determine acceptability
  • Confirm acceptability with instructor

Demonstrate visual examination principles and practices