The oxyfuel welding course covers the welding of ferrous and nonferrous metals. It is extremely versatile process and has tremendous power of creating, repairing and destroying the work of man. The course concludes with discussing types of welding surfacing techniques. Further information can be obtained in the welding institute technical note 7 safety in welding and cutting. Oxygen fuel cutting and welding by ryan saucier oxygen fuel cutting torches can be used to cut, pierce and gouge mild steel. Welding and cutting, published by the american welding society, box 351040, miami, fl 335. By michelle rae uy 24 january 2020 knowing how to combine pdf files isnt reserved. Make sure the metal is clean, dry, and free of any grease or oil. Oxyfuel operations is available in online technical training and course manual formats. Oxyfuel welding and cutting the oxyfuel system is an auxiliary technique to welding developed since 1903 and used to date in many industrial applications. Oxyfuel cutting is a chemical reaction between pure oxygen and steel to form iron oxide.
Apparatus includes regulators, hoses, connections fittings, torches, manifolds and safety devices. The term oxyfuel is used to denote a combination of oxygen and a fuel gas, means its a process in which oxygen and a fuel combustible gas both are required. Sparks can fly off from the welding or cutting operations. Oxyfuel process uses heat created by combustion of fuel commonly acetylene to melt the base material and create fusion bond with or without a filler material. Describes oxygen cutting as well as brazing and soldering.
Oregon plus o fact sheet fact sheet oxygen and fuel. An introduction to oxyfuel welding and cutting, including history and future in welding, safety, setup and maintenance of oxyfuel welding and cutting equipment and supplies. Pure oxygen, instead of air, is used to increase the. Includes information about forehand and backhand welding, outofposition welding, welding thick materials, welding aluminum, oxyfuel cutting, brazing, soldering. Of course, getting to show off flying sparks while you work is a nice bonus. If you have an aluminum welding project coming up, learn how you can use an oxyacetylene torch. 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. See the companion oxyfuel gas cylinder storage fact sheet for information on proper container storage. It is used for welding, cutting, brazing, and soldering. Jun 25, 2018 media in category oxy fuel welding and cutting equipment the following 18 files are in this category, out of 18 total. As with arc welding, oxy welding processes require that operators protect their eyes from damage caused by rays, sparks and flying scale. Increase regulator pressures if longer hose or smaller i.
Mediumduty oxyacetylene cutting and welding outfit 770 502. An oversized pdf file can be hard to send through email and may not upload onto certain file managers. The pdf format allows you to create documents in countless applications and share them with others for viewing. Describe explain oxyfuel welding and cutting safety. Oxy fuel equipment is versatile, lending itself to welding, brazing, braze welding, silver soldering, metal heating for bending and forming and oxy fuel cutting. Gases oxygen, acetylene and liquefied petroleum gas lpg. Gas welding is still used for side of metal, cut by oxygen propane cutting torch metalbased artwork and in smaller home based shops, as well as situations. In oxyfuel welding, a welding torch is used to weld metals. Oxyacetylene welding school of the art institute of chicago. Victor is a global brand of gas equipment products for.
Basic gas welding and cutting department of training and. There are many hazards to be considered when using oxyfuel welding, cutting, brazing and heating equipment. Oxygenfuel gas welding and cutting, when welding, cutting, brazing, soldering, or flame coating thermal spraying. There are several potential hazards present when using oxyfuel equipment. Welding gas pressures using oxyacetylene are set in accordance with the manufacturers recommendations. Oregon plus o fact sheet fact sheet oxygen and fuelgas. Prior to beginning welding or cutting operations, workers must check that the cylinders, regulators, backflow prevention device, flame arrestors, hoses, clamps, and torches are in good working condition. Preheat flames are used to raise the surface or edge of. A free powerpoint ppt presentation displayed as a flash slide show on id. You can use the tools in paint to add something to a different document. Check and be sure the area is safe before doing any welding or cutting. Pure oxygen, instead of air, is used to increase the flame temperature to allow localized melting of the work material.
Regulator pressures are for 50 ft m or less of 38 in. Scope and application oxyfuel gas welding and cutting 12. Oxy acetylene welding is a very important piece of equipment for any shop. Listed pressure for 3hose machine cutting torches only. Cutting, weldingbrazing and heating tip flow and pressure data. How to shrink a pdf file that is too large techwalla. Scope and application oxyfuel gas welding and cutting 125. The combination text and workbook approach allows students to work at their own pace. Oxyfuel welding commonly called oxyacetylene welding or oxy welding or in the u. This guide contains important information related to the safe and efficient operation of oxyfuel welding, cutting, and heating apparatus. This article explains what pdfs are, how to open one, all the different ways.
Module 2 thermal processes unit 1 introduction to thermal processes and safety unit 2. Operation of oxy fuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot metal. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps. Depending on the type of scanner you have, you might only be able to scan one page of a document at a time. Proper safety precautions must be taken when using such equipment.
The torch flame, flying sparks, hot workpiece, and hot equipment can cause fires and burns. Read, understand, and implement all safety precautions prior to performing any welding, cutting, heating or brazing operation. When using an oxygenfuel gas process to perform welding or cutting, the operator must wear proper goggles or a full face. However, it is still widely used for a variety of applications. In oxy acetylene welding, the flame produced by the combination of gases melts the. Welding such containers should only be done by personnel familiar with the american welding society practice recommendation aws a 6065. Osha safety and health standards, 29 cfr 1910, available from u. Uniformity is a quality attribute indicating good workmanship.
French engineers edmond fouche and charles picard became the first to develop oxygenacetylene welding in 1903. 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. Never do welding or cutting on containers that have held flammable or toxic substances. Accessory accessory processes oxyfuel welding and cutting. Describe the oxyfuel cutting process and how it is applied in the.
Read all instruction, save these instruction safety, set. Fundamentals of gas cutting and welding ced engineering. Apr 10, 2018 oxyfuel gas welding, cutting, heating see attachment 3 for safety guidance on blended gas torch systems arc welding and cutting resistance welding plasma cutting brazing pipe sweatingflame soldering heat treating grinding any work requiring use of a torch. Oil or grease must not come into contact with oxygen cylinders, valves, regulators or other fittings. Nov, 2019 oxyfuel welding ofw is also known as gas welding or oxyfuel gas welding. It is essential that operators using the oxy acetylene welding or cutting. Module 2 unit 6 industrial insulation phase 2 2 oxyfuel cutting revision 2. Generally, hc gases are used as fuel gas in oxyfuel gas cutting. Welcome to a better way of cutting, welding, brazing and. Welding unit 6 oxyfuel cutting unit 7 plasma arc cutting.
Flame cutting is used to make the edges of the work pieces and for sheet cutting films of metal from. If your pdf reader is displaying an error instead of opening a pdf file, chances are that the file is c. It is, therefore, necessary that proper safety and operating procedures are understood prior to using such apparatus. Also explore over 10 similar quizzes in this category. 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.
May 08, 2018 oxyfuel cutting is an excellent solution for construction sites and field repair work because of its low cost and diverse application on metal of varying degrees of thickness. In addition, oxyfuel cutting is still widely used, both in heavy industry and light industrial and repair operations. Upon successful completion of the welding certificate, the student will be able to demonstrate skills in smaw shielded metal arc welding, ofw and ofc oxy fuel welding and cutting, plasma cutting, gmaw gas metal arc welding, and gtaw gas tungsten arc welding on mild steel, stainless steel, and aluminum in all positions and all joint configurations. Feb 05, 2019 media in category oxy fuel welding and cutting the following 29 files are in this category, out of 29 total. By varying the relative amounts of acetylene and oxygen, a welder can produce different flame atmospheres and temperatures as he requires. Oxy fuel fellow in another forum asked about stainless welding, and on the subject of flame setting. However, if errors are found, please report them to email protected. The old books typically say a 1x reducing, and i have found this to usually work the best. A proportionally equal mixture of oxygen and acetylene is burned at a temperature of 5,589. The installation, operation and maintenance of arc welding equipment and the employment of. One of the fun things about computers is playing with programs like paint.
The impact of teaching oxyfuel welding on gas 2 metal arc. Use of oxygen and fuelgas equipment follow the manufacturers instructions when setting up, using, and shutting down oxygen. Most electronic documents such as software manuals, hardware manuals and ebooks come in the pdf portable document format file format. Video transcript oxyfuel cutting 1 the content within this transcript has been created utilizing a thirdparty software company which complies with all federal accessibility laws and international standards for web accessibility, providing a measured accuracy rate of 99. In oxyfuel cutting, a cutting torch is used to heat up ferrous metal to kindling temperature. Fundamentals of gas cutting and welding cedengineering.
Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. Oxyfuel welding commonly called oxyacetylene welding, oxy welding, or gas welding in the u. This means it can be viewed across multiple devices, regardless of the underlying operating system. Flame cutting is used to make the edges of the work pieces and for sheet cutting films of metal from 1 to 12 millimeters thin, pipes, steel bars, and other ferrous. Perform entry level oxyfuel welding and cutting operations.
Oxy acetylene welding is a very important piece of. Introduction to gas welding and cutting a pdh online. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. I paid for a pro membership specifically to enable this feature. Pdf file or convert a pdf file to docx, jpg, or other file format. Pure oxygen, instead of air, is used to increase the flame temperature to allow. Oxyfuel welding equipment oxyfuel welding equipment, also known as oxygen acetylene welding, is relatively inexpensive, portable, and versatile aws, 2004.
Welding the pieces will typically require the use of a bronzing rod. To begin oxygen acetylene welding or cutting, open the cylinder. Oxyfuel torch standard sixth edition this standard applies to oxyfuel gas torches and cutting attachments used for cutting, welding, scarfing, heating, and other similar processes. The welder will modify the speed of welding travel to maintain a uniform bead width. Oxyfuel gas welding introduces students to the fundamentals of gas welding and cutting processes with simple, easytounderstand instruction. Oxyfuel gas welding and cutting 12511014 subdivision q 4370020000 scope and application these rules apply to safe practices for users of oxyfuel gas for welding, cutting, soldering, brazing, thermal spraying, related materials and equipment. Adobe designed the portable document format, or pdf, to be a document platform viewable on virtually any modern operating system.
A pdf file is a portable document format file, developed by adobe systems. The paint program can help you make new image files, but it cannot open document or pdf file. Oxyacetylene torches can be used for a variety of processes, and is one of the many things that can be used to weld aluminum. Describe how to maintain the major components of oxyfuel welding equipment. Syllabus introduction to oxyfuel welding and cutting.
Approved means listed or approved by a nationally recognized testing laboratory. Oxyfuel equipment is versatile, lending itself to welding, brazing, braze welding, silver soldering, metal heating for bending and forming and oxyfuel cutting. Nov 04, 2020 try this amazing oxyfuel welding safety quiz which has been attempted 2539 times by avid quiz takers. If your scanner saves files as pdf portbale document format files, the potential exists to merge the individual files into one doc. Oxyfuel oxyacetylene welding a guide to gas welding twi. The oxyacetylene and other oxyfuel 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. To combine pdf files into a single pdf document is easier than it looks. If you feel you can get a better fit of the pieces by using a file or grinding the pieces, it is recommended you do so. When using an oxygenfuel gas process to perform welding or cutting, the operator must wear proper goggles or a full face shield fitted with at least a shade five 5 lens. 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. It contains design and manufacturing requirements for torch materials, construction, safety, performance, test. Operation and maintenance of welding and cutting equipment should conform to the provisions of american national standard z49. In this unit you will be introduced to oxyacetylene welding and the safety precautions required when using oxyacetylene equipment. Welding and cutting on closed containers, such as tanks, drums, or pipes, can cause them to blow up.
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