Oxyfuel equipment safety guidelines the harris products. Oxy fuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the u. Oxyfuel cutting is often seen as old, boring, perhaps destined for extinction. Oxyfuel processes produce flames, sparks and a small amount of infrared. Jun 03, 20 note that an oxyfuel cut will have a heataffected zone haz that is five to 10 times larger than a plasma cut. 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. These ratios produce highly oxidizing flames, which prevent the satisfactory welding of most metals.
If you registered here since jan 29, 2020 we will email you with instructions on recreating your account. Oxyfuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the u. Oxyfuel processes are an industry standard for heating, welding, brazing, and cutting. The use of oxygen and acetylene as welding gases dates back to the 1890s. Oxyfuel cutting is a chemical reaction between pure oxygen and steel to form iron oxide. Oxy fuel cutting cannot cut nonferrous metals such as aluminum, stainless, brass or copper. Aug 27, 2015 oxy fuel welding and cutting bella troya. Global oxy fuel welding equipment market is segmented, by technology into arc welding, oxy fuel welding, resistance welding, laser beam welding, and others.
Oxyfuel welding, cutting and brazing hobart institute of. Pass a written test on safety and operation procedures on the oxy acetylene unit with a minimum of 100 accuracy. This process uses an oxycombustible flame and pure oxygen as the metal cutting jet. Hot work any operation involving open flames or producing heatsparks which includes, but is not limited to brazing, openflame soldering, oxygen cutting, grinding, arc weldingcutting, oxyfuel gas welding, hot taps, and torch applied roofing that are capable of initiating fires or explosions. Setup and shutdown procedure for oxyfuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxyfuel welding. It is a hosted solution that is cost effective, easy to use, and keeps your files organized. An oxygen cylinder with over 2,000 psi in it becomes a lethal projectile if it falls over and its cylinder valve. Mar 11, 2019 oxy acetylene welding cutting is also called oxy fuel welding cutting. Always follow these basic safety rules when working with oxy fuel equipment. Fusion welding, with or without filler metal, in which the heat for welding is produced by the combustion of a fuel gas or gasses with an admixture of oxygen. Mar 30, 2020 when standard welding tips are used, the maximum flame velocity is so 1ow that it interferes seriously with heat transfer from the flame to the work. Oxy gas cutting is used chiefly in the metal structures demolition industry. Competencies given a functional oxyfuel gas unit, instruction and demonstration of use, each student will be able to.
This process uses an oxy combustible flame and pure oxygen as the metal cutting jet. Most cost efficient process for carbon steel cutting. Welders log is one of the leading welding procedure software products available today. Find everything you need for oxy fuel welding and cutting on. In addition to the purposes of welding connecting, gas welding can also be used as preheating, brazing, cutting, and hard facing.
The processes are used with or without the application of pressure and with or without filler metal. Weld 1006 80 oxyfuel processes the anoka technical college welding technology program is designed and taught by industry professionals to provide graduates exceptional welding skills for success in the work place. The foundation for all oxyfuel processes is the triangle of combustion or fire triangle. 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. Oxyfuel processes produce flames, sparks and a small amount of. Operators must control each of these elements, which is why safety starts with a clean work area, free from combustibles. Oxf oxi oxy oxyfuel gas welding ofw a group of welding processes producing coalescence of workpieces by heating them with an oxyfuel gas flame. Oxyfuel torch standard for heating, welding, and cutting. Welding metal results when two pieces are heated to a temperature that produces a. Oxyacetylene welding is a very common welding process. Although we will discuss some basic safety tips to lessen that potential, nothing can take the place of thoroughly reading your particular equipments operator manual and following all of the safety, operation and maintenance instructions it contains. Cspec weldoffice wps cspec welding procedure software.
When opening tank valves, always open valves slowly so pressure on regulators is. Oxy acetylene welding ofw fundamentals pressure settings. Wpsamerica online welding software comply with aws d1. In this type of welding acetylene gas and oxygen are mixed in a torch so as to attain the high temperatures that are required for the welding process. Welding, whether arc welding or oxyfuel, carries with it the potential for serious accidents. In oxyfuel welding, a welding torch is used to weld metals. Welding procedure specification wps creation and management is simple, fast and accurate with automatic code checking and links to code related software modules. Oxy fuel welding is the oxyacetylene welding procedure uses a combination of oxygen and acetylene gas to deliver an elevated temperature flame. Weld 1006 80 oxy fuel processes the anoka technical college welding technology program is designed and taught by industry professionals to provide graduates exceptional welding skills for success in the work place. Oxyacetylene weldingcutting is also called oxyfuel weldingcutting. The oxyfuel cutting process is largely unchanged since its earliest days. For the hvacr or plumbing technician, the right tool for soldering and brazing pipe an airfuel or oxyfuel torch depends on the type and diameter of the pipe, its location and considerations related to cost, safety, convenience and ease of use. This course is designed to familiarize participants with the basic parts and safe operation of oxy fuel gas welding rigs.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Full text of portable oxy fuel gas systems for welding. Weldspec is a welding procedure software for engineers and managers who track and manage welding procedures to asme ix, en 288 en 156141. The highest flame temperatures of the gases are obtained at high oxygentofuel gas ratios. Mild steel is comprised of 98% iron, 1% manganese, carbon up to. The highest flame temperatures of the gases are obtained at high oxygento fuel gas ratios. The two most common welding processes we use include tig, an acronym for tungsten inert gas.
Oxyfuel oxyacetylene welding a guide to gas welding twi. The oxyfuel torch standard details much regarding the torchs performance, but it does not specify specific gas flow rates, which are left up to the manufacturers discretion. Oxyfuel welding equipment market size, 2025 industry. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Software change thursday, april 2 weldingweb will be returned to its former state on thursday, april 2. Process automation meets oxyfuel cutting the fabricator. Start studying oxyfuel welding and cutting equipment,setup, and operation. New posts this forum has 622 posts, 340 members and there are 0 members and 1 guests online. Note that an oxyfuel cut will have a heataffected zone haz that is five to 10 times larger than a plasma cut. Feb 21, 2020 when thinking about gas being used in oxy fuel cutting or welding more less isnt the way to look at it. Advantage fabricated metals performs a number of welding processes.
One advantage of the oxyfuel gas welding process is the control a welder can exercise over the rate of heat input, the temperature of the weld zone, and the oxidizing or reducing potential of. Other advantages to oxyfuel welding include the relatively low cost of equipment, the quick learning curve compared to mig or tig welding methods, and the ability to easily regulate flame temperature by adjusting the gas flow. The objective of this standard is to enable owners and operators to understand the functions of equipment used in portable and mobile oxyfuel systems for welding, cutting, heating and allied processes. Oxyfuel welding is the oxyacetylene welding procedure uses a combination of oxygen and acetylene gas to. Never cut on or apply heat directly to a concrete surface. 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. This new welding process rapidly spread around the world and changed welding forever. This article will examine those factors, as well as clarify some technical issues.
Students will be able to perform oxyfuel welding, braze welding, and brazing. Preheat flames are used to raise the surface or edge of the steel to approximately 1800f bright red color. Oxyfuel gas welding ofw a group of welding processes producing coalescence of workpieces by heating them with an oxyfuel gas flame. Flashback is the condition of the flame propagating down the hoses of an oxy fuel welding and cutting system. Oxygas cutting is used chiefly in the metal structures demolition industry. By increasing ventilation around the welding environment, the welders will have much less exposure to harmful chemicals from any source. Today, this process is used by plumbers, heating and refrigeration engineers, metal fabricators, security metalwork specialists and diyers. Elements such as chromium, nickel, molybdenum inhibit the ability to cut steel with the oxy fuel process. Oxyfuel welding and cutting equipment,setup, and operation. Oxy fuel welding, also known as gas welding or oxyacetylene welding, is a process that uses oxygen and gases such as acetylene, propylene, or propane, to weld and cut metal. Basic welding certificate and welding technology diploma at cambridgeisanti high school evening see section 80, ex. These processes involve melting of the parent metal, with or without a filler wire addition, using a flame produced at the nozzle of a welding torch. Esabs experience with oxyfuel cutting dates back to 1907. The combination of oxygen and acetylene produces a flame temperature over 6000 degrees fahrenheit making it ideal for welding and cutting.
Can be combined with plasma, or waterjet on the same part. Oxy fuel cutting is a chemical reaction between pure oxygen and steel to form iron oxide. Welding procedure software free downloads shareware central. And regardless of the cutting process, weld procedure requirements often dictate mechanical removal of the haz. One advantage of the oxyfuel gas welding process is the control a welder can exercise over the rate of heat input, the temperature of the weld zone, and the oxidizing or reducing potential of the welding atmosphere. When standard welding tips are used, the maximum flame velocity is so 1ow that it interferes seriously with heat transfer from the flame to the work. Welding with methylacetonepropadiene gas mapp gas is also an oxyfuel procedure. Your welding procedure will be instantly recognized as. Welding, whether arc welding or oxy fuel, carries with it the potential for serious accidents. Gas welding, or oxyfuel welding as it is commonly referred to, is. Elements such as chromium, nickel, molybdenum inhibit the ability to cut steel with the oxyfuel process. The foundation for all oxy fuel processes is the triangle of combustion or fire triangle.
Miller offers gas equipment to completely outfit your oxy fuel needs including outfits, regulators, torches, tips and gas mixers. Competencies given a functional oxy fuel gas unit, instruction and demonstration of use, each student will be able to. Oxyfuel cutting cannot cut nonferrous metals such as aluminum, stainless, brass or copper. 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. Prior to removing a regulator from a cylinder, personnel must close all cylinder valves, and release the gas from the regulator. Setup and shutdown procedure for oxy fuel cutting torch. Global oxyfuel welding equipment market is segmented, by technology into arc welding, oxyfuel welding, resistance welding, laser beam welding, and others. The default filename for the programs installer is wps. The american welding societys board of directors has decided that ansi z49. It also provides guidelines for the use oxyfuel systems and. Welding procedure welding procedure qualification record procedure software welding software software welding. Wearing a lab coat or welding jacket or at least sleeves is a good. Only cspecs weldsoffice offers code compliance and code rules verification supported by active code committee members. Oxyfuel gas welding is a process that joins metals by combustion of a fuel gas.
Cutting processes include oxygen and fuel gas and electrical arc gouging. However, most welding and cutting applications have industry recommended flow rates that should be. It is a process that uses oxygen and fuel gases to weld and cut steel or metallic components. This procedure shall be performed away from other welding work or sparks. Oxyfuel welding, cutting and brazing covers the process in detail, equipment, applications, procedures and safety. Part 1 1991 glossary for welding, brazing, and thermal cutting. Preheat flames are used to raise the surface or edge of the steel to. Anyone have experiance welding low temp carbon pipe with. In oxy fuel welding, a welding torch is used to weld metals. Pass a written test on safety and operation procedures on the oxyacetylene unit with a minimum of 100 accuracy. Oxy fuel processes produce flames, sparks and a small amount of. Numerically controlled cutting machines are available which use programs. Ask for cut samples and discuss the situation with your equipment provider.
Welding, cutting, brazing, soldering processes vt ehs home. This pc program can be installed on 32bit versions of windows xp7810. Oxyacetylene, commonly known as oxyfuel, is one of the oldest welding processes, though in recent years, it has become less popular in industrial applications. To prevent such a situation a flashback arrestor is usually employed. It is most frequently used for brazing or braze welding.
After completing this course, participants should be able to describe common oxy fuel gas welding applications and safety concerns associated with the use of oxy fuel gas welding equipment. 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. Concrete contains water that is trapped within the material. Do you use more oxygen or acetylene when gas welding. The primary role of the welding procedure specification wps is to provide guidance to the welder out in the field.
835 410 1168 1223 1246 36 28 643 46 448 1552 394 1078 1268 1358 925 1147 420 228 1056 282 155 1469 203 92 29 176 301 1451 538 1451 33 129 791 94 1291 1394