This video explains how the shielded metal arc welding stick, smaw process works, and gives you an introduction on how to stick weld for beginner welders. Smaw is a wellestablished form of welding used extensively in commercial and industrial applications around the world. Shielded metal arc work smaw k to 12 technology and livelihood education 2 what is this module about. Shielded metal arc work smaw 3 k to 12 technology and livelihood education welcome to the course of shielded metal arc work smaw. Following a few simple tips as well as learning the common weld defect and how to fix them will. Shielded metal arc welding smaw nc i in the philippines. The fume plume contains solid particles from the consumables, base metal, and base metal coating. Gas metal arc welding gmaw, by definition, is an arc welding process which produces the coalescence of metals by heating them with an arc between a continuously fed filler metal electrode and the work. A generalised electrical circuit for smaw is shown in fig. Pdf table of contents learning materials metalworks 2.
In this welding operation, an electric arc is generated by touching the tip of a coated electrode against the workpiece and withdrawing it quickly to a distance sufficient to maintain the arc as shown in the. An introduction to smaw shielded metal arc welding tusa. So, dear students, this is the fourth module of the subject welding. Shielded metal arc welding background information shielded metal arc welding smaw, also called stick welding, or in many other countries manual metal arc mma, is an arc welding process that uses a solid rod coated with flux. This module is an exploratory and introductory course which leads you to shielded metal arcwork national certificate level ii nc ii1. K to 12 smaw welding teachers guide november 2019 47. Shielded metal arc welding smaw nc ii shielded metal arc welding nc ii ships catering services nc i ships catering services nc ii ships catering services nc iii slaughtering operations nc ii structural erection nc ii. Shielded metal arc welding smaw this welding process goes by a variety of names, including flux shielded arc welding and manual metal arc welding. K to 12 tle industrial arts shielded metal arc welding smaw curriculum guide may 2016.
The major equipment for smaw is the power source which may be a welding transformer, a d. The electrodes rods that are used have a coating called flux. K to 12 basic education curriculum junior high school. One routine use of smaw is for joining pipe of various thicknesses and diameters. An introduction to smaw shielded metal arc welding. K to 12 technology and livelihood education industrial arts shielded metal arc welding exploratory twg on k to 12 curriculum guide version january 31, 2012 6 the learning modules and lessons there is a learning module for each exploratory course. It is expected that your tle students, after using the learning module on. This welding process can use either alternating current ac or direct current dc. Shielded metal arc welding smaw part a agricultural equipment technician first period 320102ca electric welding and oxyfuel cutting.
This module contains training materials and activities for you to complete. Welding procedure data sheets shall require a new welding procedure specification and or welding procedure data sheet. Applying shielded metal arc welding smaw techniques. Shielded metal arc welding smaw, or manual metal arc welding was first invented in russia in 1888. This process is also preferred for outdoor welding. The module is part of a welding curriculum that has been designed to be totally integrated with missouris vocational instruction management system. Mar 30, 2016 this video explains how the shielded metal arc welding stick, smaw process works, and gives you an introduction on how to stick weld for beginner welders. It involved a bare metal rod with no flux coating to give a protective gas shield. This module is an exploratory and introductory course which leads you to shielded metal arc 1 work national certificate level ii nc ii. As electricity passes through the electrode, the flux forms a gas, which shields the electric arc in the space between the electrode and the metal being welded, preventing. An introduction to the shielded metal arc welding process. The selection of equipment depends upon the provision for initial investment and the range of materials to be handled. This module covers one of the mini courses being offered in industrial arts metal works with emphasis on shielded metal arc welding smaw.
Pdf shielded metal arc welding smaw part a agricultural. Shielded metal arc welding smaw 1k to 12 technology and livelihood educationtable of contentspagewhat is this module. Shielded metal arc welding smaw, also known as manual metal arc welding mma or mmaw, flux shielded arc welding or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld. Smaw is the most commonly used welding method, often used for repair jobs on farms, construction sites, and industrial equipment sites. Shielded metal arc welding smaw has been the welding. An ivyvilos production featuring welding instructor, brian barnes. The process uses shielding from an externally supplied. The unit of competency weld carbon steel pipes using smaw contains knowledge, skills and attitudes required for shielded metal arc welding nc ii.
Jun 16, 20 shielded metal arc welding smaw 2k to 12 technology and livelihood educationwelcome to the course of shielded metal arc work smaw. Welding procedure specification shielded metal arc. Shielded metal arc welding nc ii course description this course is designed to enhance the knowledge, skills and attitutes of smaw welder in accordance with industry standards. Electrode diameter is based on the thickness of the base metal, the welding position and the type of joint to be welded. Shielded metal arc welding smaw nc ii is a short tesda course in the philippines that will train you in welding carbon steel plate and pipe components as specified by layout, blueprints, diagrams, work order, welding procedure or oral instructions using shielded metal arc welding equipment. This module is an exploratory and introductory course which leads you to shielded metal arc work national certificate level ii nc ii 1. Shielded metal arc welding, otherwise known as manual metal arc welding or flux shielded arc welding, is a process that uses a fluxcoated electrode to form the weld. Shielded metal arc welding smaw is often referred to as stick welding. Guidelines for shielded metal arc welding smaw warning this document contains general information about the topics discussed herein. This rod or electrode can be made from a variety of metals and flux components, making the. Ivy techs school of advanced manufacturing and industrial technology.
This module is an exploratory and introductory course which leads you to shielded metal arc work national certificate level ii nc ii1. The consumable, a fluxcovered electrode, produces both a shielding gas and protective slag covering, which are required when welding in these adverse environments. May 10, 2018 shielded metal arc welding smaw is the simplest and used for many joining processes. This installation, operation, and maintenance of arc welding equipment and the. In this arc welding process, the electric current passes through a consumable electrode, usually in the form of a thin stick. More than 50% of industrial and maintenance welding currently is performed by this welding process. The shielded metal arc welding smaw certificate program is designed to qualify students in the shielded metal arc welding processes on either plate or pipe in accordance to the american welding society aws or the american petroleum institute api welding procedures. This module will introduce you to shielded metal arc welding, or smaw. If the part is to be repaired, what skills will be necessary to complete the job. However, creating a good weld is not always easy, especially for a beginner.
Welcome to the course of shielded metal arc work smaw. Electrode is connected with one terminal of the power source and the work is connected with the other terminal of the power source. This guide is intended to assist vocational educators in teaching an eightunit module in shielded metal arc welding. Shielded metal arc welding smaw, also referred to as stick welding, is a simple and versatile welding technique predominantly used in field operations, including maintenance and repair, structural steel, and industrial fabrication. Shielded metal arc welding nc ii 320 hours shielded metal arc welding nc i 25. Shielded metal arc welding smaw for field operations.
Model curriculum manual metal arc weldingshielded metal arc. Development of learning modules manual shield metal arc. Learning module pdf published on 2014 august 26th description this learning material contains activities, exercises that will help deepen students understanding on entrepreneurship and characteristics that. Emphasis placed on power sources, electrode selection, oxyfuel cutting, and various joint designs. Lmmsat tesda qa system shielded metal arc welding nc ii date developed. In this module you will learn more about entrepreneurship and the entrepreneurial competencies related to shielded metal arc welding smaw. Transmission line installation and maintenance nc ii 640 hours electrical installation and maintenance nc ii k to 12 basic education curriculum junior high school technology and livelihood education and senior high school. Corrosionpedia what is shielded metal arc welding smaw. Shielded metalarc welding smaw is the simplest and used for many joining processes.
This document is not an application manual and does not contain a complete statement of all factors pertaining to those topics. Aug 18, 2016 shielded metal arc welding smaw this welding process goes by a variety of names, including flux shielded arc welding and manual metal arc welding. Shielded metal arc welding smaw is the most common form of arc welding. Known for creating superstrong welds, smaw is ideal for very thick metals. Shielded metal arc welding smaw nc ii in the philippines. Shielded metal arc welding 3 residual stresses into the weld and can cause cracking as the weld cools and contracts. For common mild steel arc welding, depending on the amount and length of exposure to these fumes, most immediate or short term effects are temporary, and include symptoms of burning eyes and skin, dizziness, nausea, and fever. It covers competencies such as settingup welding equipment, preparing weld materials, fitting up weld materials, welding. Welding circuit for shielded metal arc welding smaw. Shielded metal arc welding definition and general description shielded metal arc welding smaw is an arc welding process in which coalescence of metals is produced by heat from an electric arc that is maintained between the tip of a consumable covered electrode and the surface of the base metal in the joint being welded. They are commonly found in 9, 14 and 18inch lengths. Shielded metal arc welding smaw nc i is a short tesda course in the philippines that will train you in welding carbon steel plates components as specified by layout, blueprints, diagrams, work order, welding procedure or oral instructions using smaw welding equipment.
In spite of the use of welding shield an operator may develop eye pain if he welds continuously for long shifts say 6 to 10 hours. Apr 26, 20 ivy techs school of advanced manufacturing and industrial technology. Molten metal travels from the electrode via the electrical arc and is deposited into the work piece. These courses can be offered concurrently as ceu courses. Model curriculum manual metal arc weldingshielded metal.
During the welding process the flux forms a gas shield that protects the weld puddle from atmospheric contamination. Leggings are made from leather to protect the legs and feet. It covers 4 common competencies in that a grade 7grade 8 technology and livelihood education tle student like you ought to possess. Shielded metal arc welding smaw is a fusion welding process that uses a consumable, fluxcoated electrode to create an arc between the electrode and the work piece.
Introduction to shielded metal arc welding youtube. Informally, it is also referred to as stick welding. Smaw is commonly known as stick welding or manual arc welding also 4. Shielded metal arc welding stick welding smaw metal inert gas mig. Aug 05, 2014 shielded metal arc welding, otherwise known as manual metal arc welding or flux shielded arc welding, is a process that uses a fluxcoated electrode to form the weld. Shielded metal arc welding smaw, also known as manual metal arc welding mma or mmaw, flux shielded arc welding or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld an electric current, in the form of either alternating current or direct current from a welding power supply, is used to form an electric arc.
Syllabus introduction to shielded metal arc welding smaw. The way by which heat is generated in this shielded metal arc welding process. Welding procedure specification shielded metal arc weldingsmaw. Ork smaw shielded shielded metal metal arc arc work smaw livelihood k to w 12 technology and livelihood education k to 12 technology education 91 91 6. Oct 31, 2018 shielded metal arc welding smaw is a fusion welding process that uses a consumable, fluxcoated electrode to create an arc between the electrode and the work piece. Protective sleeves are made from leather to protect the arms. How to use this competency based learning material welcome to the module in welding carbon steel pipes using smaw.