This complete oxyacetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. Acetylene pressures are for tips with light preheating flames for use on clean plate. Oxyacetylene welding uses a mixture of acetylene gas and oxygen gas to feed the welding torch. Fundamentals of gas cutting and welding cedengineering.
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. Oxygen and acetylene use and safety ar training updated 2012 dmme division of mineral mining. Oxyacetylene is the hottest burning common fuel gas. The cylinder is filled with a porous mass and acetone. Learn about the safety of central welding supplys acetylene cylinders.
Propane, propylene, or oxy acetylene, welders supply has a regulator for your rig. Oxyacetylene welding by matt scott introduction oaw is a welding process that heats the base metal with a controlled mixture of acetylene and oxygen gas. If there is too much acetylene, flame breaks away from the. Cutting with the oxyfuel process is just the opposite from of welding. Cylinder sizing charts trico welding supplies, inc.
Heat the edges to the melting point let the edges solidify into a single unit. In addition to these easy to follow instructions, you must always be sure to follow the torch manufacturers operating procedures. Oxygen and acetylene use and safety virginia department of. This gas mixture also provides the highest flame temperature of available fuel gases, however acetylene is generally the most expensive of all fuel gases. Tweak the pressure regulator valve until the regulator pressure is constant at. The mixer is where you will attach welding tips, cutting attachment, and the rosebud heating torch. Some of our more popular gas welding and cutting equipment includes. Oxy acetylene equipment is portable and easy to use. Welding manuals stick mig tig oxy acetylene plasma. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene.
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. The cylinders should be fitted with regulators, to control the pressure and flow of gases. Oxygen and acetylene together in a flame provide the heat necessary to melt most metals. Product title biltek victorstyle oxygen acetylene welding cutting. Lincoln electric portatorch kit with oxygen and acetylene tanks and 316 in. No weldingcutting is allowed when methane concentrations meet or exceed 1. Video an introduction to gas welding oxyacetylene oxyacetylene gas welding is commonly used to permanently join mild steel. Heating tip uses a tremendous amount of oxygenacetylene. Nfpa standard 51, oxygenfuel gas systems for welding and cutting, obtainable sames as item a.
Because this is achieved by oxidation, it is only effective. Norris cylinders monolithic porous mass safety training. Oxy acetylene hoses the hose for the supply of oxygen from the pressure regulator to the welding torch is coloured blue and has right handed thread connections, whereas the acetylene hose is coloured red and has left handed thread connections with chamfers or grooves on the nuts. Setup and shutdown procedure for oxyfuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxyfuel welding. The oxyacetylene torch can be used for various tasks. Equalpressure typesupplies oxygen and acetylene at approximately equal pressures through a mixer. The flux may be used to deoxidize and cleanse the weld metal. Welding gas cylinder size chart for high pressure, acetylene, propylene and propane. Smith regulators are available in economy and premium grades for hobbyists and pros. Acetylene valve should be opened 14 turn and oxygen valve should be opened all the way. Cylinders should not be able to be knocked or pulled over. General hose identification rule is red for fuel gas see paragraph 1 green for oxygen, and black for inert gases. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker packed in a heavy duty molded storage case.
Fundamentals of gas cutting and welding ced engineering. Advanced welding supply company industrial gas information acetylene pressure temperature oxygen pressure 355. If there is too much acetylene, flame breaks away from the tip. Fusion weldinga welding process that joins metals by heating them to be a melting point and allowing them to fuse or flow together. If you have a cylinder cart, place both the oxygen and acetylene cylinders into it. Pure oxygen, instead of air, is used to increase the. Cylinder sizing can be a little daunting until you get the hang of it and our cylinder sizing charts make short work. Always turn acetylene on first when igniting torch. The flux melts, solidify and forms a slag on the resultant weld bead. 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. This combined with a neutral welding atmosphere and suitable filler.
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 5700. Oxyfuel oxyacetylene welding a guide to gas welding. The electric arc takes the place of the heating flame of the oxyacetylene cutter. 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. Harbor freight tools quality tools at discount prices. Product name acetylene cas number 74862 product code msds no. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Working pressure limits for welding hose is 200 psig maximum. The covered electrodes of mild steel come in 4 sizes and are of tubular construction. Oxyacetylene welding manual more oxygen is introduced the flame propagation is much greater, so that when an excess of oxygen is used, there. If additional flow capacity is required, use an acetylene manifold system of sufficient size to supply the necessary volume. Cutting tips for agriculture repair lighting the torch in the ag shop or in the.
Turn off the valve on the cutting torch for the oxygen first, then the acetylene. Fasten oxygen and acetylene cylinders in an upright position. Always have the spindle key in the acetylene cylinder valve. Video for my high school students to follow as they learn the process of using the oxyacetylene torch. Unfortunately, gas welding isnt taught as regularly as it used to be. Welding 5 psi acet5 psi oxy cutting 5 psi acet20 psi oxy. Oxyacetylene welding is the most commonly used gas welding technique. A mixture of oxygen and acetylene, burns as an intense focussed flame, at approximately 3,500 degrees centigrade. Oxygen acetylene welding, or oxy acetylene welding, is a process for joining metals that was introduced in 1903 by thomas wilson. However, if it is used incorrectly, serious injury can occur to you and the equipment.
Lighting, adjusting and shutting down an oxygenacetylene torch is easy especially when following the proper procedures. It is extremely versatile, and with enough skill and practice you can use this type of welding for virtually any metal. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to. Oxyfuel cutting uses acetylene and oxygen to preheat metal to red hot and then uses pure oxygen to burn away the preheated metal. See all 26 photos to set the flame, open the acetylene valve on the torch body about 1. 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. Acetone absorbs 50 times its own weight in acetylene and stabilizes it low pressure acetylene, cont.
Acetylene maroon cylinder is a highly flammable gas in both air and oxygen. Pass a written test on safety and operation procedures on the oxyacetylene unit with a minimum of 100 accuracy. For welding purposes, the hoses to be used should be strong. At no time should the withdrawal rate of an individual acetylene cylinder exceed 17 of the cylinder contents per hour. Oxyacetylene welding oxyacetylene oa welding is one of the many types of welding supported by the prl. 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. In this process, oxygen gas and electrodes are used to cut roughly mild steel, lowalloy steel, stainless steel, copper, bronze, brass, monel, metal etc.
How to set up an oxy acetylene torch with pictures wikihow. The flame heats the base metal to its fluid or puddle state. 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. At this point, the gas welding rod copper coated steel is dipped into the puddle. Oxyfuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the united states and oxyfuel cutting are processes that use fuel gases or liquid fuels such as gasoline and oxygen to weld or cut metals.
Continue to add oxygen until neutral flame is established. Welding is aprocess of joining two metals by heating them to melting point. If not, they should be securely fastened with a chain to a workbench, a wall, or a post. Transporting, moving, and storing compressed gas cylinders. Welding nozzle flow data metal thickness tip size drill size oxygen pressure psig acetylene. Flexible hoses are used to connect the regulators to the torch or blowpipe. For more information on welding gases and the welding process visit. These highly combustible gases call for extraordinary safety.
The welding head is the torch component that contains a mixer or injector, the mixing throat, and the welding tip to control the flame. The oxyacetylene torch is a safe tool if used properly. As a welding torch, the basic operation of an oxyacetylene unit is blending two gases, oxygen and acetylene, together in the right proportion to create a proper. It comprises oxygen and acetylene gases stored under pressure in steel cylinders. A common inside diameter of oxyfuel gas hose is 14 inch. Xtremepowerus portable welding torch kit with oxygen and acetylene tanks and 316 in.
See all 26 photos for light welding like this, 5 psi is a good starting place for both oxygen and acetylene. Oxygen and acetylene welding kit harbor freight tools. If not stopped, the fire can travel through and damage the torch, hoses and explode the cylinder. When mixed together in correct proportions within a handheld torch or blowpipe, a relatively hot flame is produced with a temperature of about 3,200 deg. 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.
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