Description

Objectives

Upon completion of this module, the trainee will be able to do the following:

1. Identify different welding processes and welding equipment.

2. State safety precautions associated with arc welding.

3. Identify and explain shielded metal arc welding (SMAW) electrodes.

4. Identify weld joints, their dimensions, and their applications from weld symbols and drawings.

5. Identify different types of arc welding machines.

6. Explain how to set up and use SMAW equipment to weld steel.

7. Explain the different codes governing welding.

Performance Tasks

Under the supervision of the instructor, the trainee should be able to do the following:

1. Identify welding equipment.

2. Identify SMAW electrodes.

3. Identify welding joints from weld symbols and drawings.

4. Set up SMAW equipment and weld steel plate.

Module Index

Sessions I and II. Introduction; Welding and Cutting Processes; Safety

A. Introduction

B. Welding and Cutting Processes

1. Shielded Metal Arc Welding

2. GMAW/FCAW

3. Gas Tungsten Arc Welding

4. Plasma Arc Cutting Process

5. Air Carbon Arc Cutting Process

6. Shielding Gas

C. Safety

1. PPE

2. Ventilation

3. Hot Work Permits and Fire Watches

4. Cutting Containers

5. Oxygen Hazards

6. Electrical Safety

D. Laboratory

Trainees will identify different types of welding equipment. This laboratory corresponds to Performance Task 1.

Session III. SMAW Electrodes; Selecting SMAW Electrodes; SMAW Filler Metal Storage and Control; Filler Metal Traceability Requirements

A. SMAW Electrodes

1. AWS Filler Metal Specification System

2. Electrode Classification System

3. Manufacturer’s Classification

4. Electrode Sizes

B. Selecting SMAW Electrodes

1. Electrode Groups

2. Electrode Selection Considerations

C. SMAW Filler Metal Storage and Control

1. Code Requirements

2. Receiving Filler Metal

3. Storing Filler Metal

4. Storage Ovens

D. Filler Metal Traceability Requirements

E. Laboratory

Trainees will identify SMAW electrodes. This laboratory corresponds to Performance Task 2.

Session IV. Joint Design

A. Joint Design

1. Load Considerations

2. Types of Joints

3. Types of Welds

4. Welding Position

5. Codes and Welding Procedure Specifications

6. Weld Symbols and Drawings

B. Laboratory

Trainees will identify welding joints from weld symbols and drawings. This laboratory corresponds to Performance Task 3.

Sessions V–VIII. Arc Welding Machines; Arc Welding with SMAW Equipment; Codes Governing Welding

A. Arc Welding Machines

B. Arc Welding with SMAW Equipment

1. Preparing the Welding Area

2. Preparing the Weld Coupons

3. Electrodes

4. Preparing the Welding Machine

5. Striking an Arc

6. Dealing with Arc Blow

7. Making Stringer and Weave Beads

C. Codes Governing Welding

D. Laboratory

Trainees will set up SMAW equipment and weld steel plate. This laboratory corresponds to Performance Task 4.

Session IX. Review and Testing

A. Review

B. Module Examination

1. Trainees must score 70 percent or higher to receive recognition from NCCER.

2. Record the testing results on Training Report Form 200, and submit the results to the Training Program Sponsor.

C. Performance Testing

1. Trainees must perform each task to the satisfaction of the instructor to receive recognition from NCCER. If applicable, proficiency noted during laboratory exercises can be used to satisfy the Performance Testing requirements.

2. Record the testing results on NCCER National Registry, and submit the results to the Training Program Sponsor.