It uses extreme heat to function, and setting it up properly is one of the most. Oxyfuel equipment is versatile, lending itself to welding, brazing, brazewelding, silver soldering, metal heating for bending and forming and oxyfuel cutting. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. All hose in use, carrying acetylene, oxygen, natural or manufactured fuel gas, or any gas or substance which may ignite or enter into combustion, or be in any way harmful to. When using oxyacetylene a special torch or cutting blowpipe is necessary. Combustion of acetylene with oxygen produces a flame of over 3,600 k 3,330 c. Oxygen acetylene welding, or oxy acetylene welding, is a process for joining metals that was introduced in 1903 by thomas wilson.
The mixer is where you will attach welding tips, cutting attachment, and the rosebud heating torch. However, if it is used incorrectly, serious injury can occur to you and the equipment. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to. Fundamentals of gas cutting and welding ced engineering. French engineers edmond fouche and charles picard became the first to develop oxygenacetylene welding in 1903. A practical manual of oxyacetylene welding and cutting with a treatise on acetylene and oxygen, by p. Welding nozzle flow data metal thickness tip size drill size oxygen pressure psig acetylene. Before and while lighting the flame, keep the tip pointed away from the body. Video for my high school students to follow as they learn the process of using the oxyacetylene torch. No welding cutting is allowed when methane concentrations meet or exceed 1. This combination makes a gas that burns at an incredible 5500 degrees fahrenheit. Oxygen and acetylene in approximately equal proportions are burnt at the small. Product title oxygen acetylene welding kit type cutting torch weld. Lighting, adjusting and shutting down an oxygenacetylene torch is easy especially when following the proper procedures.
Oxy acetylene welding oxy acetylene, commonly known as oxyfuel, is one of the. Welding manuals stick mig tig oxy acetylene plasma. Several gas combinations can be utilised for producing a hot flame for welding metals. Oxy acetylene welding is a welding process manually, in which the surfaces to be joined, which is warming to melt by a gas flame oxyacetylene with or without filler metal, where the connection process without emphasis. May 14, 2017 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. Do not open the acetylene valve more than one and one half turns. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylenefeeding these gases through hoses to a handheld torch, producing an.
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. For more information on welding gases and the welding process visit. Its a shame, because oxy acetylene welding teaches you how to manipulate a heat source better than any other type of welding. Nfpa standard 51, oxygen fuel gas systems for welding and cutting, obtainable sames as item a.
Acetylene is lighter than air, and may spread long distances. In canada, the product mentioned above is considered hazardous under the workplace hazardous materials information system whmis. May displace or reduce oxygen available for breathing especially in confined spaces. The oxy acetylene torch is a safe tool if used properly. Oxyacetylene cutting safety in agriculture osha standard 1910. Oxyacetylene welding oxyacetylene, commonly known as oxyfuel, is one of the. Oxygen and acetylene together in a flame provide the heat necessary to melt most metals. At this point, the gas welding rod copper coated steel is dipped into the puddle. Always turn the acetylene cylinder so the valve outlet will point.
Cylinder sizing can be a little daunting until you get the hang of it and our cylinder sizing charts make short work. This complete oxy acetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. Lincoln electric cut welder kit with torch, oxygen and acetylene regulators, 316 in. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c.
Oxyacetylene is the hottest burning common fuel gas. Turn off the valve on the cutting torch for the oxygen first, then the acetylene. Video an introduction to gas welding oxyacetylene oxyacetylene gas welding is commonly used to permanently join mild steel. Acetylene poses an extreme fire hazard when accidentally released. A mixture of oxygen and acetylene, burns as an intense focussed flame, at approximately 3,500 d. Common mixtures of gases are oxygen and acetylene, oxygen and hydrogen, oxygen and other fuel gas, and air and acetylene. Propane, propylene, or oxy acetylene, welders supply has a regulator for your rig. Fundamentals of gas cutting and welding cedengineering. Setup and shutdown procedure for oxy fuel cutting torch. In addition to the purposes of welding connecting, gas welding can also be used as preheating, brazing, cutting and hard facing. The oxyacetylene torch can be used for various tasks. How to set up an oxy acetylene torch with pictures wikihow.
These highly combustible gases call for extraordinary safety. Oxyacetylene welding oxyacetylene oa welding is one of the many types of welding supported by the prl. This checklist helps employers and employees in general industry and construction comply with the occupational safety and health administration oshas standards for welding, cutting, and brazing. Provide adequate fire protection during emergency response situations. Heating tip uses a tremendous amount of oxygenacetylene. Always have the spindle key in the acetylene cylinder valve. A practical manual of oxy acetylene welding and cutting with a treatise on acetylene and oxygen, by p. Welding 5 psi acet5 psi oxy cutting 5 psi acet20 psi oxy. Turn on acetylene regulator and adjust to 35 psi 15 psi maximum. Cylinder sizing can be a little daunting until you get the hang of it and our cylinder sizing charts make short work of learning and knowing the cylinders you have on hand. Oxygen acetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. The chemical action of the oxyacetylene flame can be adjusted by changing the ratio of the volume of oxygen to acetylene, using the valves on the torch or. With this process, oxygen as well as acetylene are fed from holding tanks to a torch and then when needed ignited. No weldingcutting is allowed when methane concentrations meet or exceed 1.
Feb 15, 2019 video for my high school students to follow as they learn the process of using the oxy acetylene torch acetylene welding 1. Heating tip uses a tremendous amount of oxygen acetylene. This complete oxyacetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. At no time should the withdrawal rate of an individual acetylene cylinder exceed 17 of the cylinder contents per hour. It can be used for cutting steel, welding steel, brazing and for heating metal. Knowing your cylinder size can save you precious time and heartache. Continue to add oxygen until neutral flame is established. It is a welding process that melts and joins the metals by heating them with a flame caused by a reaction of fuel gas and oxygen.
Many gases are flammable, explosive, toxic, or a combination. 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. Acetylene is an asphyxiant and presents a significant health hazard by displacing the oxygen in the atmosphere. How to store cylinders store cylinders upright and secure them with a chain, strap, or cable to a stationary building support or to a proper. Always turn acetylene on first when igniting torch. The oxygenacetylene mixture is used to a much greater extent than the other and has a prominent place in the welding industry. The valve of a fuel gas cylinder shall not be cracked where the gas would reach welding work, sparks, flame, or other possible sources of ignition. Oxyfuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the u. Because of the need for supplemental oxygen from the atmosphere, the acetylene oxygen flame cannot be used inside of pipes or structures subjected to oxygen depletion from gas welding. Adjust acetylene to bring flame back down to almost touching the tip.
Oxygen and acetylene in approximately equal proportions are burnt at the small jets. Unfortunately, gas welding isnt taught as regularly as it used to be. This means if a oxygen bottle is leaking, the gas will settle. 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. Acetylene may decompose explosively at elevated temperatures and pressures. The flux may be used to deoxidize and cleanse the weld metal. Lighting, adjusting and shutting down an oxygenacetylene torch is easy. The flux melts, solidify and forms a slag on the resultant weld bead. Acetylene pressures are for tips with light preheating flames for use on clean plate. Oxy acetylene welding ofw fundamentals pressure settings.
Do not saturate your clothing with oxygen or acetylene. Oxygen and acetylene welding kit harbor freight tools. Hose, for cutting welding and brazing questions page 2. Pass a written test on safety and operation procedures on the oxy acetylene unit with a minimum of 100 accuracy. Oxyacetylene torcheshow to use use of a cutting torch is not something that just anybody should do without training.
Some of our more popular gas welding and cutting equipment includes. Together, oxygen and acetylene gas mixtures create one of the hottest flames known up to 6,330 f 3499 c. If there is too much acetylene, flame breaks away from the tip. Cylinder sizing charts trico welding supplies, inc. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker packed in a heavy duty molded storage case.
Apr 03, 2017 unfortunately, gas welding isnt taught as regularly as it used to be. The flame heats the base metal to its fluid or puddle state. The oxyacetylene flame at 3100c is the hottest flame available for welding mild steel. A mixture of oxygen and acetylene, burns as an intense focussed flame, at approximately 3,500 degrees centigrade. An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. The oxyacetylene torch is a safe tool if used properly. By varying the relative amounts of acetylene and oxygen, a welder can produce different flame atmospheres and temperatures as he requires.
The cuttingnozzle has a number of small jets and a space around the central large jet for oxygen pressure. Lincoln electric cut welder kit with torch, oxygen and. The chemical action of the oxy acetylene flame can be adjusted. Acetylene valve should be opened 14 turn and oxygen valve should be opened all the way. This combined with a neutral welding atmosphere and suitable filler. Nfpa standard 51, oxygenfuel gas systems for welding and cutting, obtainable sames as item a. Guidelines are given on the principal health and safety considerations for oxyacetylene welding to ensure safe welding practices. Oxygen is an accelerant, it causes every thing it comes in contact with to burn hotter and faster. Oxygen and acetylene use and safety ar training updated 2012 dmme division of mineral mining. Learn about the safety of central welding supplys acetylene cylinders. In fact, the oxyacetylene flame burns at 6000 f, and is the only gas flame that is hot enough to melt all commercial metals. How to properly light, adjust and shut down an oxyacetylene torch harris products group. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene. Gas welding or oxygenacetylene welding is made possible because there are some gasses that burn at extremely high temperatures.
The oxy acetylene torch can be used for various tasks. It is extremely versatile, and with enough skill and practice you can use this type of welding for virtually any metal. 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. Oxy acetylene cutting safety in agriculture osha standard 1910. Pass a written test on safety and operation procedures on the oxyacetylene unit with a minimum of 100 accuracy. Norris cylinders monolithic porous mass safety training. The chemical action of the oxyacetylene flame can be adjusted. Welding gas cylinder size chart for high pressure, acetylene, propylene and propane. Setup and shutdown procedure for oxyfuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxyfuel welding.
735 1568 404 1158 1583 1069 293 1053 452 101 1542 178 1102 771 1170 390 291 279 952 1463 1502 909 1615 916 274 186 833 235 634 401 216 697 1410 129 1101 1102