Knowing your cylinder size can save you precious time and heartache. Ten years ago the oxyacetylene method of welding and cut ting metals was hardly more than a laboratory process, but in the course of these few years it has. Safety in gas welding, cutting and similar processes page 5 of 11 fireexplosion caused by gas leaks acetylene, lpg and other fuel gases are highly flammable, and form explosive mixtures with air and. Some of our more popular gas welding and cutting equipment includes. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene. Competencies given a functional oxy fuel gas unit, instruction and demonstration of use, each student will be able to.
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. The oxy acetylene and other oxy fuel gas mixtures welding torch remains a mainstay heat source for manual brazing and braze welding, as well as metal forming, preparation, and localized heat treating. 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. Gap wirea wire used for correct spacing of butt joints. Wear flame resistant clothing when gas welding or cutting.
How to set up an oxy acetylene torch with pictures wikihow. However, if it is used incorrectly, serious injury can occur to you and the equipment. More hot tips always use an approved friction striker, never use matches or a cigarette lighter. If the oxy welding cutting equipment is to be operated in a dangerous or hostile environment, the userclient is responsible for conducting an appropriate risk analysis and applying suitable controls to. 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. If the oxy welding cutting equipment is to be operated in a dangerous or hostile environment, the userclient is responsible for conducting an appropriate risk analysis and applying suitable controls to mitigate those additional risks. Safety in gas welding, cutting and similar processes page 5 of 11 fireexplosion caused by gas leaks acetylene, lpg and other fuel gases are highly flammable, and form explosive mixtures with air and oxygen. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. In order to comfortably and safely see the flame when welding or cutting, welding goggles. Welding 5 psi acet5 psi oxy cutting 5 psi acet20 psi oxy. The combined shade numbers of the lenses in the eyewear and helmet should equal the value shown in the tables below see 29 cfr 1915. Safety in gas welding, cutting and similar processes. The initial cost of purchasing the equipment is less expensive than for other processes like plasma cutting. Describe the applications of oxy acetylene welding in the pipefitting trade and the type of materials that are suitable for joining using this process identify and state the function of common items on oxy acetylene welding, brazing, cutting and heating equipment identify and describe the safety precautions to be observed when using.
Fundamentals of gas cutting and welding cedengineering. In addition, oxy fuel cutting is still widely used, both in heavy industry and light industrial and repair operations. For general fabrication or welding, or when working near machinery or on scaffolding. It can be used for cutting steel, welding steel, brazing and for heating metal. Propane sizing chart pdf knowing your cylinder size can save you precious time and heartache. Check valves and flashback arrestors are safety devices for protecting workers using oxyfuel cutting and welding equipment. Oxyfuel welding and cutting oxyacetylene redirects here. This process can be done with or without help of filler material. Heres an oxy acetylene welding kit that handles a broad range of cutting, welding, and heating applications. As mentioned in the previous chapter, gas welding, using oxygen and hydrogen, dates back to the 1850s.
However, it is still widely used for a variety of applications. The spark lighter is used to ignite the oxyacetylene mixture at the tip of cutting torch. When mixed together in correct proportions within a handheld torch or blowpipe, a hot. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to. Open the valve on the acetylene cylinder no more than threefourths of a turn so it can be closed quickly in case of emergency. Keep oxy acetylenelpg cylinders at least 5 meters away from hot work area. Welding and cutting, published by the american welding society, box 351040, miami, fl 335. Pdf welding and cutting steel oxyacetylene and other. 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.
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. Heres an oxyacetylene welding kit that handles a broad range of cutting, welding, and heating applications. Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape. Osha safety and health standards, 29 cfr 1910, available from u. Factors affecting quality in oxyfuel cutting operators manual 0558006464 06 2006. Welding, cutting, and brazing welding is a process that joins materials. The oxyacetylene flame produces an intense bright light that causes discomfort and possible injury to the eyes. Welding and cutting steel oxy acetylene and other methods. Oxy fuel equipment is versatile, lending itself to welding, brazing, braze welding, silver soldering, metal heating for bending and forming and oxy fuel cutting. Solid brass torch handle, cutting attachment and regulators. Welding and cutting steel oxyacetylene and other methods. In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module.
Oxyfuel cutting is one of the most commonly used processes in welding, and for good reason. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylenefeeding these gases through hoses to a handheld torch, producing an extremely hot and. This instruction should be read in conjunction with. Eye protection against radiant energy during welding and cutting in shipyard employment of the lens in the helmet may be reduced. Acetylene pressure oxygen pressure metal tip size thickness victor cutting equipment. Even small leaks can cause a flash fire or explosion, particularly if they are leaking into a poorly ventilated room or confined space where. 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 oxyacetylene torch can be used for various tasks. For the song, see welding, oxy welding, or gas welding in the u. This heat is further used to melt interface surfaces of welding plates which are held together to. Apr 16, 2017 gas welding is a type of liquid state welding process in which fuel gases burns to generate heat. A check valve is a device that is designed to prevent the unintentional backflow of. 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. Fusion weldinga welding process that joins metals by heating them to be a.
This document is not an application manual and does not contain a complete. This heat is further used to melt interface surfaces of welding plates which are held together to form a joint. 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. Electric shock ensure the cables have proper insulation and connector as well as termination joints are safe for the purpose. Mediumduty oxyacetylene cutting and welding outfit 770 502. Site engineer cylinder near the hot work area keep oxy acetylenelpg cylinders. The combined shade numbers of the lenses in the eyewear and helmet. The equipment can be used for a wide range of processes, not just cutting.
Fusion weldinga welding process that joins metals by heating them to be a melting point and allowing them to fuse or flow together. Chapter 1 from the welding handbook, tenth edition, volume 1, welding. Oxyacetylene cutting safety occupational safety and. Pdf oxyfuel welding and cutting sewalem gezie academia.
It is an invaluable aid to industry as well as in schools and universities. The oxy acetylene handbook is a basic handbook or manual on oxy acetylene welding and cutting and their related processes. Smith regulators are available in economy and premium grades for hobbyists and pros. 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. In order to comfortably and safely see the flame when welding or cutting, welding goggles must be worn. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker.
In this video we will discuss about what is oxygen acetylene welding. Do not open acetylene cylinder valves more than 1 turn 14 to is usually enough. It uses extreme heat to function, and setting it up properly is one of the. Gas welding is a type of liquid state welding process in which fuel gases burns to generate heat. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Never use matches or a cigarette lighter to ignite the oxyacetylene torch. Describe the applications of oxyacetylene welding in the pipefitting trade and the type of materials that are suitable for joining using this process identify and state the function of common items on oxy. More hot tips always use an approved friction striker, never use matches or. This document contains general information about the topic discussed herein. Pass a written test on safety and operation procedures on the oxy acetylene unit with a minimum of 100 accuracy. It uses extreme heat to function, and setting it up properly is one of the most important steps in using it safely.
To begin oxygenacetylene welding or cutting, open the cylinder valves slowly by means of the cylinder keys. Cylinder sizing charts trico welding supplies, inc. For a typical oxygas cutting outfit, also referred to as a cutting rig figure 41, you need. In this process, mostly oxy acetylene gas is used as fuel gas. Oxyfuel oxyacetylene welding a guide to gas welding. Aug 30, 2019 an oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal.
The chemical action of the oxyacetylene flame can be adjusted. Propane, propylene, or oxy acetylene, welders supply has a regulator for your rig. Hot work is any temporary or permanent operation that involves open flames or produces heat andor sparks. May 08, 2018 what are the advantages of oxy fuel cutting. Guidelines are given on the principal health and safety considerations for oxyacetylene welding to ensure safe welding practices. The other equipments serves the same function as in case of oxyacetylene gas welding. Welding, cutting, and brazing welding is a process that joins materials together by melting a metal work piece along with a filler metal to form a strong joint. This includes, but is not limited to, brazing, cutting, grinding, soldering, torchapplied roofing.
An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Eye protection against radiant energy during welding and. Shows proper setup and operation of oxyacetylene cutting torch. Cutting air carbon arc cutting oxyacetylene cutting process name.
Fundamentals of gas cutting and welding ced engineering. Oxy fuel cutting is one of the most commonly used processes in welding, and for good reason. When mixed together in correct proportions within a handheld torch or. Locate the emergency stop switch for immediate power isolation. The oxyacetylene handbook is a basic handbook or manual on oxyacetylene welding and cutting and their related processes. This document is not an application manual and does not contain a complete statement of all factors pertaining to that topic. Oxyacetylene cutting safety in agriculture osha standard 1910. Oxygen acetylene welding easily understand youtube.
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