Oxy acetylene welding and cutting pdf

Gap wirea wire used for correct spacing of butt joints. 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. 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 most important steps in using it safely. 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. Never use matches or a cigarette lighter to ignite the oxyacetylene torch.

Propane sizing chart pdf knowing your cylinder size can save you precious time and heartache. 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. The oxy acetylene handbook is a basic handbook or manual on oxy acetylene welding and cutting and their related processes. Gas welding is a type of liquid state welding process in which fuel gases burns to generate heat.

To begin oxygenacetylene welding or cutting, open the cylinder valves slowly by means of the cylinder keys. Check valves and flashback arrestors are safety devices for protecting workers using oxyfuel cutting and welding equipment. The oxyacetylene torch can be used for various tasks. 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. Safety in gas welding, cutting and similar processes. The other equipments serves the same function as in case of oxyacetylene gas welding. Propane, propylene, or oxy acetylene, welders supply has a regulator for your rig. Pdf welding and cutting steel oxyacetylene and other. Site engineer cylinder near the hot work area keep oxy acetylenelpg cylinders. Welding and cutting steel oxyacetylene 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.

Open the valve on the acetylene cylinder no more than threefourths of a turn so it can be closed quickly in case of emergency. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to. Chapter 1 from the welding handbook, tenth edition, volume 1, welding. Pdf oxyfuel welding and cutting sewalem gezie academia.

Knowing your cylinder size can save you precious time and heartache. Welding, cutting, and brazing welding is a process that joins materials. It uses extreme heat to function, and setting it up properly is one of the. Eye protection against radiant energy during welding and cutting in shipyard employment of the lens in the helmet may be reduced. This heat is further used to melt interface surfaces of welding plates which are held together to form a joint. Cutting air carbon arc cutting oxyacetylene cutting process name. Cylinder sizing charts trico welding supplies, inc. Welding 5 psi acet5 psi oxy cutting 5 psi acet20 psi oxy. Aug 30, 2019 an oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Osha safety and health standards, 29 cfr 1910, available from u.

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. Even small leaks can cause a flash fire or explosion, particularly if they are leaking into a poorly ventilated room or confined space where. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylenefeeding these gases through hoses to a handheld torch, producing an extremely hot and. By varying the relative amounts of acetylene and oxygen, a welder can produce different flame atmospheres and temperatures as he requires. This process can be done with or without help of filler material. Apr 16, 2017 gas welding is a type of liquid state welding process in which fuel gases burns to generate heat. For a typical oxygas cutting outfit, also referred to as a cutting rig figure 41, you need. 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. This document is not an application manual and does not contain a complete statement of all factors pertaining to that topic. Some of our more popular gas welding and cutting equipment includes. Welding and cutting, published by the american welding society, box 351040, miami, fl 335. 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.

Oxyfuel welding and cutting oxyacetylene redirects here. Wear flame resistant clothing when gas welding or cutting. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Electric shock ensure the cables have proper insulation and connector as well as termination joints are safe for the purpose. Heres an oxyacetylene welding kit that handles a broad range of cutting, welding, and heating applications. 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. The equipment can be used for a wide range of processes, not just cutting. In order to comfortably and safely see the flame when welding or cutting, welding goggles must be worn. In this process, mostly oxy acetylene gas is used as fuel gas. May 08, 2018 what are the advantages of oxy fuel cutting. For the song, see welding, oxy welding, or gas welding in the u.

However, it is still widely used for a variety of applications. Fusion weldinga welding process that joins metals by heating them to be a. 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. Solid brass torch handle, cutting attachment and regulators. It can be used for cutting steel, welding steel, brazing and for heating metal. Keep oxy acetylenelpg cylinders at least 5 meters away from hot work area. Factors affecting quality in oxyfuel cutting operators manual 0558006464 06 2006. 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. Oxy fuel cutting is one of the most commonly used processes in welding, and for good reason.

Oxyfuel cutting is one of the most commonly used processes in welding, and for good reason. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker. Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape. Eye protection against radiant energy during welding and. Guidelines are given on the principal health and safety considerations for oxyacetylene welding to ensure safe welding practices. Accessory accessory processes oxyfuel welding and cutting. Oxyacetylene cutting safety occupational safety and. 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.

This document is not an application manual and does not contain a complete. Locate the emergency stop switch for immediate power isolation. 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. Hot work is any temporary or permanent operation that involves open flames or produces heat andor sparks. 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. This includes, but is not limited to, brazing, cutting, grinding, soldering, torchapplied roofing.

Fusion weldinga welding process that joins metals by heating them to be a melting point and allowing them to fuse or flow together. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting. Oxyfuel oxyacetylene welding a guide to gas welding. A check valve is a device that is designed to prevent the unintentional backflow of. For general fabrication or welding, or when working near machinery or on scaffolding.

It is an invaluable aid to industry as well as in schools and universities. Competencies given a functional oxy fuel gas unit, instruction and demonstration of use, each student will be able to. More hot tips always use an approved friction striker, never use matches or a cigarette lighter. In order to discuss the various aspects of welding, cutting and brazing safety, first we need to cover the basics in this first module. The oxyacetylene torch is a safe tool if used properly. More hot tips always use an approved friction striker, never use matches or. In addition, oxy fuel cutting is still widely used, both in heavy industry and light industrial and repair operations. Fundamentals of gas cutting and welding cedengineering. Oxygen acetylene welding easily understand youtube. Welding and cutting steel oxy acetylene and other methods. Heres an oxy acetylene welding kit that handles a broad range of cutting, welding, and heating applications. Acetylene pressure oxygen pressure metal tip size thickness victor cutting equipment.

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. 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. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Smith regulators are available in economy and premium grades for hobbyists and pros. Mediumduty oxyacetylene cutting and welding outfit 770 502. Pass a written test on safety and operation procedures on the oxy acetylene unit with a minimum of 100 accuracy. As mentioned in the previous chapter, gas welding, using oxygen and hydrogen, dates back to the 1850s. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c.

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. Shows proper setup and operation of oxyacetylene cutting torch. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene. This heat is further used to melt interface surfaces of welding plates which are held together to. 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. The initial cost of purchasing the equipment is less expensive than for other processes like plasma cutting. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly. The chemical action of the oxyacetylene flame can be adjusted.

This document contains general information about the topic discussed herein. In this video we will discuss about what is oxygen acetylene welding. Oxyacetylene cutting safety in agriculture osha standard 1910. In order to comfortably and safely see the flame when welding or cutting, welding goggles.

Fundamentals of gas cutting and welding ced engineering. How to set up an oxy acetylene torch with pictures wikihow. An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. The combined shade numbers of the lenses in the eyewear and helmet. When mixed together in correct proportions within a handheld torch or blowpipe, a hot.