This is a special welding technique used for butt welding of steel pipes. Use features like bookmarks, note taking and highlighting while reading oxy acetylene welding manual. Copper spiral mixer designed for uniform, freeflowing flame. Accidental release measures continued this is an extremely flammable gas. It is an invaluable aid to industry as well as in schools and universities. With this process, oxygen as well as acetylene are fed from holding tanks to a torch and then when needed ignited. When choosing a life vocation, one generally views the possibilities it has to offer and delves deeply into. This oxyacetylene welding tip features a copper spiral mixer designed for.
Differences between oxygen and acetylene cylinders are listed. Open the acetylene torch valve about onefourth turn. 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. This paper presents the factors that may cause pollution of the work environment when working with the oxyacetylene flame welding process. Chemistry of oxy acetylene process the most common fuel used in welding is acetylene. In todays workshops oaw is often a last choice for use, as it is a manual and slow process. In fact, the oxyacetylene flame burns at 6000 f, and is. Both oxygen and acetylene are combustible, but more important, there are a lot of places you just dont want an open flame. Acetylene is a fuel gas composed of carbon and hydrogen c 2 h 2, generated by the action of calcium carbide, a gray stonelike substance, and water in a generating unit. Oxygen acetylene welding oaw at the end of this presentation you will be able to.
Gas welding or oxygenacetylene welding is made possible because there are some gasses that burn at extremely high temperatures. It is therefore necessary that proper safety and operating procedures be understood prior to the use of such apparatus. The oxy acetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame. How to select and set upan oxyacetylene welding rig, selecting an oxyacetylene welding rig. In fact, the process uses fuel gases and oxygen to weld and cut metals, respectively. It is extremely versatile, and with enough skill and practice you can use this type of welding for virtually any metal. Harris 23a903 oxyacetylene weld tip1600870 the home depot. Fundamentals of gas cutting and welding ced engineering. As mentioned in the previous chapter, gas welding, using oxygen and hydrogen, dates back to the 1850s. Oxy acetylene welding manual kindle edition by campbell, lorn. A oates and a great selection of related books, art and collectibles available now at. Oxygen acetylene welding, or oxy acetylene welding, is a process for joining metals that was introduced in 1903 by thomas wilson.
The most significant route of overexposure for this product is by inhalation. A practical manual of oxyacetylene welding and cutting with a treatise on acetylene and oxygen, by p. Part 2 outside corners with filler and fillets duration. Use features like bookmarks, note taking and highlighting while reading oxyacetylene welding manual. Safety for oxyacetylene welding thompson rivers university. Oxyacetylene is the hottest burning common fuel gas. It is the hottest flame temperature when compared to mapp gas, propylene and propane and natural gas 2,910c, 2,895c, 2,800c and 2,780c respectively. The oxyacetylene torch can be used for various tasks. Product name acetylene cas number 74862 product code msds no. Jan 25, 2017 oxy acetylene welding is a very common welding process that dates back to 1890s, wherein oxygen and acetylene are used as the two major welding gases.
Approximately 20% of acetylene is supplied by the industrial gases industry for oxyacetylene gas welding and cutting due to the high temperature of the flame. Oxyfuel cutting uses acetylene and oxygen to preheat metal to red hot and then uses pure. Please read this booklet thoroughly and carefully before attempting to operate oxy fuel welding and cutting apparatus. Oxyacetylene welding manual kindle edition by campbell, lorn. This welding tip is an ideal replacement tip for the heavy duty welding kit. The oxyacetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame. Personal protective equipment applicable to oxyacetylene welding is selected and checked for serviceability. Gas welding generally fell out of favor for opposite reasons. Acetylene generator note acetylene generator equipment is not a standard included in this manual for information only a. Oxy fuel 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. The oxyacetylene torch is a safe tool if used properly. Airacetylene welding article about airacetylene welding by the free dictionary.
Upon successful completion of the course, the learner will be proficient in the following key areas. Oxyacetylene welding oxyacetylene oa welding is one of the many types of welding supported by the prl. Cutting with the oxyfuel process is just the opposite from of welding. All acetylene welding and cutting tips and welding nozzles of welding machines must be cleaned with cleaners and polished with scotchbrite, every time they are used. Test all connections for leaks using nondetergent soap ivory and water solution. Oxy fuel equipment is versatile, lending itself to welding, brazing, braze welding, silver soldering, metal heating for bending and forming and oxy fuel cutting. Combustion of acetylene with oxygen produces a flame of over 3,600 k 3,330 c. Get info of suppliers, manufacturers, exporters, traders of gas welding kit for buying in india. Fundamentals of gas cutting and welding cedengineering. It can be used for cutting steel, welding steel, brazing and for heating metal. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene. The oxyacetylene handbook is a basic handbook or manual on oxyacetylene welding and cutting and their related processes. Oxy acetylene welding is the welding process of heating two pieces of metal to melting point, bringing the parts together and while still in a molten stage hammered together to form a joint. Welding manuals stick mig tig oxy acetylene plasma.
This specification prescribes requirements for the classification of bare magnesium all welding electrodes and rods for use with the gas metal arc, gas tungsten arc, oxyfuel gas, a. Gas welding torch, hoses, gas regulators and flame traps are described. Basic welding processes are described andillustrated in this manual. They are great for general welding and brazing with acetylene andor hydrogen. This combination makes a gas that burns at an incredible 5500 degrees fahrenheit. This complete oxy acetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. Work area is prepared to support efficient welding with oxyacetylene equipment. Open the valve on the acetylene cylinder no more than threefourths of a turn so it can be closed quickly in case of emergency. Gap wirea wire used for correct spacing of butt joints. One of the most commonly used applications of acetylene gas is oxyacetylene welding, oxy welding, or gas welding. In order to comfortably and safely see the flame when welding or cutting, welding goggles must be worn.
Oxygenacetylene welding, or gas welding, is a process which relies on. This oxyacetylene welding tip features a copper spiral mixer designed for a uniform, freeflowing flame. Find here online price details of companies selling gas welding kit. Oxy acetylene gas welding kits the welders warehouse. Protection of all personnel and the area must be maintained. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker packed in a heavy duty molded storage case. A practical handbook describing the welding and cutting of metals by the oxy acetylene and metalic arc process by j. Two of these techniques are used to weld flat joints and one is used for allposition welding. There are three main techniques used in oxyfuel welding. Apr, 2016 intro to oxyacetylene welding part 1 duration. The edges of the pipes are bevelled at 70 and butted together with a gap of approximately 2.
The 2 best ways are air acetylene and oxy acetylene. However, it is still widely used for a variety of applications. Harris products welding tips are fully swagged assuring smooth bore for a long cone and positive flame control and provide superior results. Acetylene generator equipment is not a standard included in this manual for information only. The chemical action of the oxyacetylene flame can be adjusted. It is the only gas mixture hot enough to melt steel.
Weld requirements are identified from specifications or given information. Hazard identification continued symptoms of overexposure by route of exposure. How to select and set upan oxy acetylene welding rig, selecting an oxy acetylene welding rig. 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. Download it once and read it on your kindle device, pc, phones or tablets. 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. Every effort has been extended in the preparation of this book to make it a textbook on the manual application of the oxyacetylene processes that. The columbus metal shop is a general access facility set up to provide instruction and material resources for the schools students, faculty, and staff. A gaswelding process in which the heat is obtained from the combustion of acetylene and air explanation of airacetylene welding. Gas welding is probably the oldest of the welding processes and gas welding equipment is arguably the most versatile. Acetylene is colorless, but has a distinctive odor that can be easily detected. However, if it is used incorrectly, serious injury can occur to you and the equipment. The oxy acetylene flame produces an intense bright light that causes discomfort and possible injury to the eyes. Oxyacetylene cutting safety in agriculture osha standard 1910.
Oxyacetylene cutting safety occupational safety and. Learning how to weld using this process will give a complete overview of welding. Oxygen, acetylene, argon, and argon02 tanks must be chained at all times, while the protector cap is removed. Every effort has been extended in the preparation of this book to make it a textbook on the manual application of the oxy acetylene processes that. Weve worked hard to produce gas welding kits to suit as many applications, and pockets, as possible. Shop a large range of oxygen and acetylene welding torch kit at msc industrial supply.
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. Temperatures from the combustion of oxygen o2 gas and ethyne, or acetylene c2h2 gas can reach 3,340 degrees celsius, which is hot enough to cut through steel. The same type of oxyfuel welding apparatus is used in all cases, but the torch welding tip size could be changed depending on the amount of btu heat output. This complete oxyacetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. Experience gained from user contact and welding training of crewmembers showed that. When finished welding shut off the main valves, bleed. Acetylene is the best and most versatile fuel gas for welding, straightening, bending, forming, hardening or tempering. While welding, the pipes are rotated constantly so as to weld the seam in the horizontal position only.
Welding 5 psi acet5 psi oxy cutting 5 psi acet20 psi oxy. What temperature do oxyacetylene welding torches burn at. One of the most commonly used applications of acetylene gas is oxy acetylene welding, oxy welding, or gas welding. A practical handbook describing the welding and cutting of metals by the oxyacetylene and metalic arc process by j. The oxy acetylene handbook is a basic handbook or manual on oxy acetylene welding and cutting and their related processes. Prepare materials for oaw assemble and setup oaw equipment select welding equipment, settings and consumables. More hot tips always use an approved friction striker, never use matches or a cigarette lighter. Oxygen and acetylene welding kit harbor freight tools. 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.
Info ebook and manual reference the oxy acetylene handbook a manual on oxy acetylene welding and cutting procedures second edition printable 2019 the most popular ebook you must read is the oxy acetylene handbook a manual on oxy acetylene welding and cutting procedures second edition printable 2019. A practical manual of oxy acetylene welding and cutting with a treatise on acetylene and oxygen, by p. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c.
The preferred fuel gas for flame gouging is acetylene because of its high. During all oxyacetylene welding and cuttingproccesses, operators must use safety goggles to protect the 9 openacetylene torch valve 14 turn and light. Typical gas pressures and flow rates for work on cmn steels are given. Oxygen and acetylene together in a flame provide the heat necessary to melt most metals. Do not open acetylene cylinder valves more than 1 turn 14 to is usually enough. Oxygen acetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Wind up the hoses when finished shutting everything.
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