What is the name of the tool used to produce a spark for lighting the torch. The tip of the cutting torch has a larger centre opening from which a jet of oxygen comes to cut the metal. Oxyfuel cutting uses acetylene and oxygen to preheat metal to red hot and then uses pure oxygen to burn away the preheated metal. Safety with oxyacetylene welding or cutting irish oxygen. Cutting oxygen preheat flame slag cutting tip reaction point cutting direction 1. Share copy and redistribute the material in any medium or format. The required temperature is provided by the combustion of a fuel gas and oxygen minimum 99. Oxyacetylene cutting process questions answer the following questions. Coxreels 1275w series manual twinline oxyacetylene hose reel with front crank includes 38in.
However, if it is used incorrectly, serious injury can occur to you and the equipment. Dec 21, 20 flame settings there are three distinct types of oxyacetylene flames, usually termed. How to set the oxy acetylene regulators tech team products. Set your acetylene to between 57 psi pounds per square inch. A safety hood must be worn to protect your head and hair. Home ordnance documents and other related manuals section iv.
Oxygenacetylene cutting definition is gas cutting with oxygen and acetylene. Oxygasoline is primarily used for cutting heavy stuff. A credit bearing skills programme offered on a fulltime 5 days. Acetyleneoxygen use the cutting torch jennifer viamille. The oxy acetylene torch can be used for various tasks.
It is unstable in its pure form and thus is usually handled as a solution. With a two hose cutting torch, preheat pressure is set by the cutting oxygen. Acetylene is dissolved in the acetone solution and dispersed throughout the porous medium. Oxy acetylene welding set up and pressure settings chart. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker packed in a heavy duty molded storage case. In modern steelage the steelmakers cut iron and steel by oxy acetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly. The oxy acetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame. Find great deals on ebay for oxygen acetylene and oxygen acetylene tanks. The oxy acetylene torch is a safe tool if used properly. The cutting torch is provided with a high pressure valve in from oxygen and acetylene control valves. Safely cutting with oxygenacetylene inspection inspect all areas of the equipment including hoses, gauges. The torch body we use for welding is a standard torch body. Your email address will never be sold or distributed to a third party for any reason. For 7525 gas mixture, it sounds like youre in short circuit transfer mode, so your shielding gas should be somewhere around 25 cfh.
One of the most commonly used applications of acetylene gas is oxyacetylene welding, oxy welding, or gas welding. This is part two of three parts necessary for his certification. Oxygenacetylene cutting definition of oxygenacetylene. Refer to the victor acetylene cutting tip chart in appendix a or welding nozzle flow data in appendix b for the recommended pressures. Acetylene pressures are for tips with light preheating flames for use on clean plate. If a leak occurs, close the container valve and blow down the system in a. Does anyone know of a oxyacetylene cutting ready reference. There were no concerns about the fuel detonating if mishandled either. Victor series 3 acetylene cutting tips victor series 3 type 101 general purpose hand and machine torch cutting data compiled using mild steel as test material. If you suspect the presence of a gas, contact your supervisor to have it checked out before proceeding with any work. The first we must clean the nozzle, because if the head of the nozzle dirty will cause flame bad. The principle of the cutting process is shown in figure. Flame settings there are three distinct types of oxyacetylene flames, usually termed. Apr 25, 2012 acetylene oxygen use the cutting torch jennifer viamille.
Describe the proper sequence of steps in preparing the oxyacetylene system for lighting the cutting torch. The cutting torch provided is the standard 1890 type which uses anm or pnm type nozzles. Inspect the cone end for missing or damaged orings. In this article, you will learn the basics of setting up, using and extinguishing an oxyacetylene cutting torch. When the iron exceeds the combustible temperature, it starts to combust by the cutting oxygen, and reaction point is.
Cte online lesson planner oxyacetylene cutting torch. Contents 4 the school of the art institute of chicago 6 getting ready. Proper care of oxyacetylene cutting and welding equipment imca. Gap wirea wire used for correct spacing of butt joints. The oxyacetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame.
When the valve of a charged acetylene cylinder is opened, the acetylene comes out of the solution and passes out in the gaseous form. How to set the oxy acetylene regulators im going to tell you how to set the pressure regulators and probably get into torch tips and a few things like that for oxy acetylene. Use the diagram provided to compare and contrast what is similar, and what is different the oxyacetylene. Cutting tips and nozzles a dangerous condition, resulting in a fire or flashback. Oxy acetylene welding ofw fundamentals pressure settings. How to safely cut with oxygenacetylene cat, caterpillar, their respective logos, caterpillar yellow and. If iron or steel is heated to its kindling temperature. In this article, you will learn the basics of setting up, using and extinguishing an oxy acetylene cutting torch. Normal air contains 21% of oxygen and the way in which common materials burn in it is well known. Pure acetylene is odorless, but commercial grades usually have a marked odor due to impurities.
In addition to the purposes of welding connecting, gas welding can also be used as preheating, brazing, cutting, and hard facing. Describe the three types of flames and their effects on the metal to be welded. How to operate an oxy acetylene cutting torch i am a welderfabricator by trade. Under the guidance of the instructor the student will safely light the torch to obtain a neutral cutting flame. This book will highlight the welding and cutting processes. This lesson will address the safety and operating procedures necessary for the student to set proper working pressures on a oxyacetylene cutting torch. Always clean both oxygen and acetylene lines individually before lighting the torch. Oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of. Oxygen and acetylene use and safety ar training updated 2012 dmme division of mineral mining. Rule of thumb multihole cutting tips, oxy acetylene recommended oxyacetylene cutting tip pressures vary with size. This means if acetylene reaches 30 psi in a free state, it can explode by itself without a spark or flame being present. Oxyacetylene welding andor cutting produces intense heat, and special precautions need to be taken to prevent deadly fires and explosions. I need some type of reference for a maintenance department.
Fusion weldinga welding process that joins metals by heating them to be a melting point and allowing them to fuse or flow together. Oxygen and acetylene welding kit harbor freight tools. You know the high pressure and the oxidizing problem with oxygen if theres any carbon present. Generally, hc gases are used as fuel gas in oxyfuel gas cutting. Describe the three types of flames and their effects on the metal to be. Acetylene, dissolved gas safety data sheet sds p4559. How to operate an oxyacetylene cutting torch snapguide. This document has been prepared by boc limited abn 95 000 029 729 boc, as general information. Oxygen acetylene cutting definition is gas cutting with oxygen and acetylene. Most popular advantage exclusives top rated price low to high price low to high price high to low price high to low brand a z brand z a. Here at, we are committed to protecting your privacy. As i recall, popping loud pop that puts out the torch happens if you dip the cone into the molten puddle or get too near it. Regulators are plugged to ensure gauges are not broken and hoses are 10m in length to ensure good access. Personal protective equipment is mandatory for all employees while welding andor cutting.
Use the diagram provided to compare and contrast what is similar, and what is different the oxy acetylene welding, and oxyfuel cutting processes. The mixer is where you will attach welding tips, cutting attachment, and the rosebud heating torch. Adjust the oxygen regulator screw by turning it clockwise until the recommended pressure is achieved. How to use a oxygen acetylene cutting torch snapguide. In planning the job, have the tanks firmly secured to prevent tipping over, the hose should be behind you so as to protect it from damage due to flying sparks. Oxy acetylene torches have an attachment for cutting, which can be attached to the welding torch. It uses extreme heat to function, and setting it up properly is one of the most. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene.
Cutting with the oxyfuel process is just the opposite from of welding. Oxyacetylene gas cutting techniques manual manipulation, angle, burned edges, flame and pressure setting. Fundamentals of gas cutting and welding cedengineering. This complete oxyacetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. Acetylene is shipped in a cylinder packed with a porous mass material, and a liquid solvent, commonly acetone. Bws propane or natural gasoxygen cutting tips airco concoa acetylene oxygen part no. Inspect the cone end, coupling nut, and torch head for oil, grease, or damaged parts.
Caution to prevent the blowing of molten slag back into the. We use cookies to improve your browsing experience and help us improve our websites. This complete oxy acetylene welding kit is designed to handle a broad range of cutting, welding, and heating applications. I used to be pretty good at it back in high school welding class, 20 years ago. The cutting torch cuts mild steel, from thin sheet, beam or plate up to 58 thick. Neutral carburizing or excess acetylene oxidizing or excess oxygen the type of flame produced depends upon the ratio of oxygen to acetylene in the gas mixture which leaves the torch tip. Oxyacetylene welding acetylene gas plant, acetylene plant. This colorless gas is widely used as a fuel and a chemical building block. Oxyacetylene torches have an attachment for cutting, which can be attached to the welding torch. This central opening surrounded by a set of orifices generally four which supply the oxygen acetylene mixture for preheating. Move the torch in a straight line to keep a straight cut, and move the torch at a uniform speed at which the flame is cutting through the metal. Acetylene, dissolved safety data sheet p4559 this sds conforms to u. Turn your oxygen valve on all the way, then turn your acetylene valve a 1615 of a turn. What are the visual safety checks for the cutting tip.
Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape. Theoretically, the heat created by the burning iron. An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Cleaning tools including but not limited to wire brushes, chipping hammer, and chisels. Open regulator oxygen and acetylene, set until the pressure matching with what do you want or for acetylene 5 to 7 psi and oxygen 7 to 10 psi. Oxy fuel cutting ofc processes sever metal by utilizing the chemical reaction of oxygen with metal at elevated temperatures. It can be used for cutting steel, welding steel, brazing and for heating metal. As a teenager in the 50s i burned cars apart in a wrecking yard with oxypropane, it works very well. Welding cutting goggles with the proper dark lens shade must be worn. Fundamentals of gas cutting and welding ced engineering. This particular kit is for use with oxygen and acetylene gases.
Flashbacks and backfires flashbacks are commonly caused by a reverse flow of oxygen into the fuel gas hose. How to set up an oxy acetylene torch with pictures wikihow. The course will address all persons in the manufacturing industry to achieve advanced skills in gas cutting required by using the oxyacetylene process. Flashbacks and backfires flashbacks are commonly caused by a reverse flow of oxygen into the fuel gas hose continue reading proper care of oxyacetylene cutting. The course will address all persons in the manufacturing industry to achieve advanced skills in gas cutting required by using the oxy acetylene process.
In planning the job, have the tanks firmly secured to prevent tipping over, the hose should be behind you so as to protect it. Because this is achieved by oxidation, it is only effective. One of the guys in the shop insists on using tell torch with the acetylene pressure set above 15psi. Oxy acetylene cutting safety in agriculture osha standard 1910. Advanced welding supply company industrial gas information acetylene pressure temperature oxygen pressure 355. Cutting method that melts and remove iron by the oxidation reaction heat of the iron itself. Oxygenacetylene weldingcutting underground page 1 of 3 job steps potential hazards safe job procedures safety precautions before any work begins, obtain a hot work permit as outlined in the hot work permit procedure. This lesson will address the safety and operating procedures necessary for the student to set proper working pressures on a oxy acetylene cutting torch. For only cutting and heating propane will do the job and its safer than acetylene too. Cleaning of cuts including removal of scale, spatter, soot and removal of sharp edges. One of the most commonly used applications of acetylene gas is oxy acetylene welding, oxy welding, or gas welding. How to operate an oxyacetylene cutting torch i am a welderfabricator by trade.
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