Position Arc Welding – Module ID 30202-11

Position Arc Welding – Module ID 30202-11

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Module ID 30202-11 This module introduces weld joints and positions used in metal structures. It explains how to prepare welding equipment and make V-groove joints and welds.

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SKU: 30202-11 Category: Tag:

Description

Objectives

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

1. Identify and explain weld joints and positions.

2. Prepare arc welding equipment.

3. Identify and explain V-groove joints and welds.

4. Perform shielded metal arc welding (SMAW) on V-groove joints with backing and open-root V-groove joints in the following positions:

• Flat (1G)

• Horizontal (2G)

• Vertical (3G)

• Overhead (4G)

Performance Tasks

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

1. Prepare arc welding equipment.

2. Perform shielded metal arc welding (SMAW) on V-groove joints with backing and open-root V-groove joints in the following positions:

• Flat (1G)

• Horizontal (2G)

• Vertical (3G)

• Overhead (4G)

Sessions I and II. Introduction; Welding Positions; Preparing Equipment

A. Introduction

B. Weld Positions and Joints

1. Weld Positions

2. Types of Joints

3. Types of Welds

4. Welding Position

5. Codes and Welding Procedure Specifications

6. Welding Joint Preparation

C. Welding Equipment Setup

1. Preparing the Welding Area

2. Preparing the Weld Coupons for V-Groove Welds with Backing

a. Laboratory

The trainees will practice preparing a weld coupon and tack-welding it.

3. Electrodes

4. Preparing the Welding Machine

D. PT/Laboratory

The trainees will prepare arc welding equipment. This laboratory corresponds to Performance Task 1.

Sessions III through VII. V-Groove Welds; SMAW of V-Groove Welds with Backing; Open-Root V-Groove Welds; SMAW of Open-Root V-Groove Welds

A. V-Groove Welds with Backing

B. SMAW of V-Groove Welds with Backing

1. Practicing Flat V-Groove Welds with Backing (1G Position)

a. Laboratory

The trainees will practice making flat V-groove welds with backing (1G Position)

2. Horizontal Welds (2G Position)

a. Laboratory

The trainees will practice running beads and making horizontal V-groove welds with backing (2G Position)

3. Vertical Welds (3G Position)

a. Laboratory

The trainees will practice running beads and making vertical welds with backing (3G Position)

4. Overhead Welds (4G Position)

a. Laboratory

The trainees will practice running overhead beads and making overhead V-Groove welds with backing (4G Position)

C. Open-Root V-Groove Welds

1. Prepare the Welding Coupons for Open-Root V-Groove Welds

2. Electrodes

3. Root Pass

4. Acceptable and Unacceptable Groove Weld Profiles

D. SMAW of Open-Root V-Groove Welds

1. Practicing Flat Open-Root V-Groove Welds (1G Position)

a. Laboratory

The trainees will practice making Flat open-root V-groove welds (1G Position)

2. Horizontal Welds (2G Position)

a. Laboratory

The trainees will practice making horizontal open-root V-groove welds (2G Position)

3. Vertical Welds (3G Position)

a. Laboratory

The trainees will practice running vertical beads and making vertical open-root V-groove welds (3G Position)

4. Overhead Welds (4G Position)

a. Laboratory

The trainees will practice running overhead beads and making overhead open-root V-groove welds (4G Position)

E. PT/Laboratory

The trainees will perform shielded metal arc welding (SMAW) on V-groove joints with backing and open-root V-groove joints in the following positions:

• Flat (1G)

• Horizontal (2G)

• Vertical (3G)

• Overhead (4G)

This laboratory corresponds to Performance Task 2.

Session VIII. Review and Testing

A. Review

B. Module Examination

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

2. Record the testing results on NCCER National Registry 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.

 

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