However, if it is used incorrectly, serious injury can occur to you and the equipment. Oxyfuel oxyacetylene welding a guide to gas welding twi. Gas welding and cutting oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by application of heat created by gas flame. Media in category oxy acetylene welding the following 37 files are in this category, out of 37 total. The processes are used with or without the application of pressure and with or without filler metal. To provide safety guidance in the use in performing oxyacetylene welding. Experience gained from user contact and welding training of crewmembers showed that. Chapter 1 from the welding handbook, tenth edition, volume 1, welding science and technology, has been selected by the aws product development committee as a service to indust.
A mixture of oxygen and acetylene, burns as an intense focussed flame, at approximately 3,500 degrees centigrade. Students will master a variety of welding competencies including oxyfuel cutting and welding including shielded metal arc welding. Fundamentals of welding, unit 2, assignment sheet 1complete the student safety pledge. Do not open the acetylene valve more than one and one half turns. However, i just got a torch from racecarldad and may try my hand at oxyacetylene welding, just to see hot to do it. Choose from 65 different sets of welding test oxyfuel flashcards on quizlet. Although we will discuss some basic safety tips to lessen that potential, nothing can take the place of thoroughly reading your particular equipments operator manual and following all of the safety, operation and maintenance instructions it contains. Oxyfuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the u. It has been published to assist industry by clarifying and explaining worksafes position on these common questions.
The oxyfuel process uses oxygen and what other types of gases. However, the slightly reactive metals do require the use of fluxes to protect the molten pool from the gaseous atmosphere. Oxyfuel process uses heat created by combustion of fuel commonly acetylene to melt the base material and create fusion bond with or without a filler material. What is the most common gas used for oxyfuel welding. Oxf oxi oxy oxyfuel gas welding ofw a group of welding processes producing coalescence of workpieces by heating them with an oxyfuel gas flame. However oa will allow you to do a lot of welding at a reasonable price, including alum. Migmag welding 30 flux cored electrodes 33 tig welding 34 oxyfuel gas cutting 37 plasma cutting 44 safety always 46 conversion data inside back cover air products welders. Oxyacetylene welding oaw the oxyacetylene welding process uses a combination of oxygen and acetylene gas to provide a high temperature flame. Cylinders an approved dot portable container used for transportation and storage of compressed gas. I have used a torch for brazing but i have never welded with steel rod. This file contains additional information such as exif metadata which may have been added by the digital camera, scanner, or software program used. The oxyacetylene torch is a safe tool if used properly. Acetylene acetylene is the primary fuel for oxyfuel welding and is the fuel of choice for repair work and general cutting and welding, acetylene generator as used in bali by a reaction of calcium carbide with water. With a chapter on the cutting of metals with the blowpipe paperback pdf, please refer to the web link beneath and save the document or have accessibility to additional information which are in conjuction with a practical manual of autogenous.
I really dont think see how a torch could weld with the penetration and strength of a mig weld. Oxyfuel combustion is the process of burning a fuel using pure oxygen instead of air as the primary oxidant. A combination of fuel and oxygen, especially when used in welding etc. Weldingoxy fuel wikibooks, open books for an open world. It can be used for cutting steel, welding steel, brazing and for heating metal. Gas welding and cutting oxy fuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by application of heat created by gas flame. Other welding techniques that are effective for aluminum include tig tungsten inert gas welding and mig metal inert gas welding. Oxyacetylene welding and oxyfuel cuttingall job sheets require students to clean up their work areas and return tools and equipment to proper storage. Tig welding 10 plasma welding 17 welding sheet 18 welding plate 20 welding pipes 22 defects in welds 24 the right gas. Portable oxyfuel gas equipment version 1 march 2007 this document has been compiled from the most common asked questions to worksafe on portable oxyfuel gas cutting and welding equipment. Oxyacetylene welding is a very common welding process that dates back to 1890s, wherein oxygen and acetylene are used as the two major welding gases. The oxyacetylene torch can be used for various tasks. This article will examine those factors, as well as clarify some technical issues.
For the hvacr or plumbing technician, the right tool for soldering and brazing pipe an airfuel or oxyfuel torch depends on the type and diameter of the pipe, its location and considerations related to cost, safety, convenience and ease of use. Oar 43700222532 defines cylinders in the following way. However, it is still widely used for a variety of applications. Esabs experience with oxyfuel cutting dates back to 1907. In welding steel, the gas flame provides enough protection to eliminate the use of fluxes.
Mediumduty oxyacetylene cutting and welding outfit 770 502. Oregon plus os fact sheet fact sheet oxyfuel gas cylinder. Portable oxyfuel gas equipment university of tasmania. Check oxy fuel system for leaks with an approved leak detection solution or leak detector. Oxyacetylene, commonly known as oxyfuel, is one of the. The welding course of study provides students with an opportunity to learn about the industry as it relates to welding. Video an introduction to gas welding oxyacetylene oxyacetylene gas welding is commonly used to permanently join mild steel. Part 1 1991 glossary for welding, brazing, and thermal cutting. Oxyfuel welding, heating and cutting process manual installation and operation instructions before installing or operating, read and comply with these instructions controls corporation of america 1501 harpers road virginia beach, va 23454 to order call 18002250473 or 7574228330 fax 7574223125 april 2001 supersedes. Learn welding test oxyfuel with free interactive flashcards. Upon successful completion of the course, the learner will be proficient in the following key areas. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Oxy acetylene gas welding pdf gas metal arc welding mig.
When mixed together in correct proportions within a handheld torch or blowpipe, a relatively hot flame is. Oxy fuel equipment is versatile, lending itself to welding, brazing, braze welding, silver soldering, metal heating for bending and forming and oxy fuel cutting. Since the nitrogen component of air is not heated, fuel consumption is reduced, and higher flame temperatures are possible. Oxyacetylene torches can be used for a variety of processes, and is one of the many things that can be used to weld aluminum. Australian standards as 4839 safe use of portable oxyfuel gas systems special note no personnel are to use this equipment prior to obtaining. Oxyfuel welding, heating and cutting process manual installation and operation instructions before installing or operating, read and comply with these instructions controls corporation of america 1501 harpers road virginia beach, va 23454 to order call 18002250473 or 7574228330 fax 7574223125 april 2001. Process and safety, ontario regulation 15304 pdf unit 2 introduction to oxyacetylene welding, unit 3. A variety of fuel gases can be used in this task, such as propane, acetylene, natural gas, compressed gasoline fumes or anything else. Following the inspection and installation of the regulators and hoses, the checklist is divided into two sections. The purpose of the welding handbook for maritime welders is to provide guidance in modern welding and related processes and to provide the welder with a source of practical information on the right solution to specific onboard welding problems. Program standards are aligned to the requirements of. For example, oxyfuel welding of most nonferrous metals, cast irons. Goggles or equivalent with the correct shade lens must be worn when welding or cutting. Safe operating procedures sop 15 oxy acetylene cutting.
Oxyfuel cutting is a chemical reaction between pure oxygen and steel to form iron oxide. Do not use this system unless you have received authorization from the shop manager. If fuel gas were to leak from the unit, smoking could provide ignition and cause a fire or an. Introduction to gas welding and cutting a pdh online.
Fusion welding, with or without filler metal, in which the heat for welding is produced by the combustion of a fuel gas or gasses with an admixture of oxygen. The fuel gas commonly acetylene, when mixed with proper proportion of oxygen in a mixing chamber of welding torch, produces a very hot flame of about 57005800f. Oxy fuel torch uses weldingfab general discussion i. Safety for oxyacetylene welding printed copies of this document are uncontrolled. For detailed information about how to achieve better cut quality with oxyfuel cutting, download the free pdf file below. Do not smoke or allow anyone else to smoke near the oxyfuel gas welder. Welding, whether arc welding or oxyfuel, carries with it the potential for serious accidents. Oxy fuel refers to an oxygen and fuel gas mixture being burned rapidly from compressed sources, such as large acetylene cylinders or more commonly, a propane tank one you may find on a barbecue. Information is provided on the operation and maintenance of oxyacetylene and oxymapp equipment. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylenefeeding these gases through hoses to a handheld torch, producing an extremely hot and easytocontrol flame.