Share copy and redistribute the material in any medium or format. Acetylene, dissolved gas safety data sheet sds p4559. In this article we will discuss about the principle of gas welding. Oxy acetylene cutting is used in many metal fabrication shops. Safe operating procedures sop 15 oxy acetylene cutting. Premium quality cutting tips offer precise gas flow for maximum effectiveness in cutting steel. The oxy acetylene torch is a safe tool if used properly.
In fact, the oxyacetylene flame burns at 6000 f, and is the only gas flame that is hot enough to melt all commercial metals. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylene feeding these gases through hoses to a handheld torch, producing an. Premium quality brandnew acetylene cutting tip 6290ac for harris torch general preheat acetylene single piece cutting tip. Apr 08, 20 he also has an acetylene maker that uses carbide and water and mixes it and makes acetylene for your torch or welder. Other welding gases that develop comparable temperatures need special procedures for safe shipping and handling. Acetylene gas is shipped in special cylinders designed to keep the gas dissolved. Did you know that you can solder an hvac connection. The kc12 bee is an affordable portable oxy fuel cutting machine. There are advantages for the oxy acetylene welding processes, especially in light gauge sheet metal work and oxy cutting in heavy section.
How to operate an oxyacetylene cutting torch snapguide. Did you know that a protocol station can extend the life of a regulator. Oxyfuel gas cutting and welding operation of oxyfuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot metal, meatl fumes and combustion products. Generally, hc gases are used as fuel gas in oxy fuel gas cutting. Keep cylinders away from any arc welding, cutting, or other electrical circuits. Wescol 2 gauge acetylene gas regulator 25 bar single stage. Acetylene mostly used for oxyfuel cutting and brazing applications, acetylene has a high heat release in the primary flame and moderate heat in the secondary flame.
Oxy fuel cutting is a time consuming process, especially cutting thick walled materials. The oxy acetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame. How to properly light, adjust and shut down an oxy acetylene torch. Safety in gas welding, cutting and similar processes. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c. 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. When checking the acetylene, it is best to do it quick so that you are not letting the extra gas out and causing a. The cylinders should be fitted with regulators, to control the pressure and flow of gases. 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. Acetylene replacement products cutting tips torch kit. Replace acetylene gas with alternative gases propane and propylene for heating and cutting applications posted by jchu on march 21, 2012 gas companies have been encouraging people to use alternative fuel gases, such as propane and propylene.
It is known around the world as one of the best portable cutting machines in the industry. Material safety data sheet, per the requirements of the osha hazard communication standard 29 cfr 1910. Oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by. I have never used one before and still havent used mine until i get a book to read about how to do it right acetylene scares me a little but i read on another site where a guy claimed that propane was cheaper to use than acetylene for cutting and welding. Contact technical services at 18004261888 data compiled using mild steel as test material. Acetylene, the simplest and bestknown member of the hydrocarbon series containing one or more pairs of carbon atoms linked by triple bonds, called the acetylenic series, or alkynes. Then purge the acetylene gas line and check for constant gas flow. Gce cwt provides a full range of gas pressure regulators, arc welding.
Supplied in a tough aluminium case so ideal for site applications. Mapp gas can be used at much higher pressures than acetylene, sometimes up to 40 or 50 psi in highvolume oxy fuel cutting torches which can cut up to 12inchthick 300 mm steel. Oxyacetylene gas cutting techniques manual type of course a credit bearing skills programme offered on a fulltime 5 days. Weld iron and steel pipes or use this portable oxygen acetylene torch kit to fabricate metal artwork as well as brazing, cutting, bending and forming. The necessary temperature is maintained by gas flames resulting from the combustion of acetylene with oxygen. How to set the oxy acetylene regulators tech team products. For the maximum flame temperature in oxygen, the ratio of the volume of oxygen to fuel gas are 1,2 to 1 for acetylene and 4. The shortest distance through the material is a cut perpendicular to the wall. Oxy fuel cutting ofc processes sever metal by utilizing the chemical reaction of oxygen with metal at elevated temperatures. Oxyacetylene oa welding is one of the many types of welding supported by the prl. How to set up an oxy acetylene torch with pictures wikihow. These nozzles are designed for use with the boc cutting attachment, the universal cutting torch and the lt torch. Shop all gas welding and cutting equipment available online at welders supply. The welding torch is the most approachable to get used to handling the rig.
Both gases are stored in separate compressed gas cylinders. Pdf kinetics of oxyfuel gas cutting of steels researchgate. Chemical, physical and thermal properties of acetylene ethyne c 2 h 2. For oxygenacetylene torch cutting you need the two process gasses oxygen o2 and acetylene c2h2. The combination of oxygen with other substances does not necessarily cause great heat, in fact the combination may be so slow and gradual that the change of temperature can not be noticed. Oxy acetylene welding and cutting equipment, online at gas uk. Oxygen acetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. A number 4 shade lens is minimum for oxy fuel gas welding and cutting. Open the acetylene blowpipe handpiece valve very slightly and light with a flint lighter only. Begin your welding and cutting with oxygenfuel gas checklist based inspection right now. All kit contents are made to comply with australian standards where required.
Victor tip charts acetylene cutting tip chart cutting tip series 1101 and 3101 metal thickness tip size. Use harris tip cleaner e9 pn 9000160 for two piece tips. It can be used for cutting steel, welding steel, brazing and for heating metal. In this modern steelage welding scienceboth arc and gas weldingare developing side by side. Setup and shutdown procedure for oxy fuel cutting torch. Allow gas in the hose to escape for 5 to 15 seconds. Vapor of the solvent is carried away as impurity when the acetylene is extracted from the gas container. Introduction to gas welding and cutting a pdh online. The spark lighter is used to ignite the oxy acetylene mixture at the tip of cutting torch.
Even small leaks can cause a flash fire or explosion, particularly if they are leaking into a poorly ventilated room or confined space where. Oxy fuel cutting torches use a copper tip with a series of holes arranged in a circle to deliver a mixture of a fuel gas and oxygen to create a preheat flame. Gas welding and flame cutting are indispensable today. Other gas flames used for cutting metal are oxycoal gasit is slower than oxyacetylene and oxy hydrogenfor thicker sections. This instruction should be read in conjunction with.
Purpose of the course the course will address all persons in the manufacturing industry to achieve advanced skills in gas cutting required by using the oxyacetylene process. The reality now is that an acetylene fire need be no more disruptive than any other fire involving gas cylinders and that in many scenarios, oxy acetylene is the safer option to choose. However, if it is used incorrectly, serious injury can occur to you and the equipment. In this article, you will learn the basics of setting up, using and extinguishing an oxy acetylene cutting torch. It is applied on materials that require temperatures as high as 3,500 degree celsius for cutting or welding. Welding is a fundamental skill needed to perform auto repairs, modifications, and other services. Pure oxygen, instead of air, is used to increase the flame temperature to allow localized melting of the workpiece material in a room environment. In case of a beveled cut an angled cut for weld preparation the cutting torch will be at an angle and the heat transfer to. The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0. The oxy acetylene torch can be used for various tasks. This range could be expanded if the appropriate cutting tip was used based on the thickness being cut.
Oxy propane cutting nozzle oxy acetylene cutting nozzle economy propane has greater stoichiometric oxygen requirements than acetylene. Oxy acetylene cutting can be used to cut thicknesses from 28. For use in welding and cutting, the working pressures must be controlled by a regulator, since above 15 psi 100 kpa, if subjected to a shockwave caused, for example, by a flashback, acetylene decomposes explosively into hydrogen and. Acetylene is the primary fuel for oxy fuel welding and is the fuel of choice for repair work and general cutting and welding.
Cutting tips series 1 acetylene cutting tips tip packaging is color coded with reference to fuel gas usage. How to cut metal with an oxy acetylene cutting torch. The required temperature is provided by the combustion of a fuel gas and oxygen minimum 99. Our gas welding nozzles are designed for use with the type 5 shank and welding mixer. The fuel gas commonly acetylene, when mixed with proper proportion of oxygen in a mixing chamber of welding torch. Pdf oxyacetylene flame cutting is a relevant and widespread. Oxyfuel welding and oxyfuel cutting are processes that use fuel gases and oxygen to weld or cut metals. Victor tip charts propylene cutting tip chart cutting tip series gpp and hpp metal thickness tip size cutting.
Remove the debris using nitrogen, air, or a clean, oilfree rag. Cutting tip for oxygen acetylene, size number 0, cuts metals up to 2 in. The course will address all persons in the manufacturing industry to achieve advanced skills in gas cutting required by using the oxy acetylene process. This was before they really had acetylene that you can just buy in a bottle. A credit bearing skills programme offered on a fulltime 5 days. Oxy fuel cutting an oxy fuel gas cutting process used to burn metals by means of the reaction oxygen with the base metal as elevated temperatures. Ne not established c ceiling limit see section 16 for definitions of terms used. In oxyacetylene gouging, equal quantities of oxygen and acetylene are used to set a nearneutral preheating flame. X this site uses cookies and other tracking technologies to provide you with our services, enhance the performance and functionality of our services, analyze the use of our products and services, and assist with our advertising and marketing efforts.
Cutting with the oxyfuel process is just the opposite from of welding. Oxyfuel equipment is versatile, lending itself to welding, brazing, brazewelding, silver soldering, metal heating for bending and forming and oxyfuel cutting. This method is used to cut or weld materials that require temperatures as high as 3,500 c 6,330 f. Welders have 26 fuel gases to choose from, but acetylene, propylene, propane and natural gas are used most frequently for cutting.
You know the high pressure and the oxidizing problem with oxygen if theres any carbon present. Handling and storage advice on general occupational hygiene conditions for safe storage, including any incompatibilities eating, drinking and. However, welding with oxyacetylene requires a lot of practice and patience. Principle of gas welding with diagram your article library. Welders supply offers a great selection of oxy acetylene, propane, and propylene torch kits, hoses and tips from top name manufacturers like victor makers of the turbotorch, smith and miller. The origins of gce gas control equipment go back as far as the beginning of the twentieth century when oxy acetylene cutting and welding methods were first invented. This video will give you an indepth lesson on how to setup and break down your rig. Here at gas uk, we supply a huge range of oxy acetylene welding and cutting equipment to facilitate your welding needs. For a typical oxygas cutting outfit, also referred to as a cutting rig figure 41, you need. It uses extreme heat to function, and setting it up properly is one of the most. Lowell steampunk types might romanticize the aesthetic today, but a world rendered apart by huge saws and held together by rivets and bolts was never going to reach its full potential. Oxy acetylene equipment is portable and easy to use. Equipped flashback arrestors offer peace of mind and safety during operation.
Cutting r osebud w elding torch tip files striker backup flint. How to operate an oxy acetylene cutting torch i am a welderfabricator by trade. The chemical action of the oxyacetylene flame can be adjusted. One of the most commonly used applications of acetylene gas is oxy acetylene welding, oxy welding, or gas welding. Jun 22, 2016 acetylene used in welding is called as oxy fuel cutting or gas cutting. Oxyacetylene welding acetylene gas plant, acetylene plant. It is a colourless, inflammable gas widely used as a fuel in oxyacetylene welding and cutting of metals and as raw. Oxy fuel welding an oxy fuel gas welding process that produces fused metals by. Oxy fuel cutting can be very intimidating to students and inexperienced welders. The fire and rescue service protocol for acetylene fires was officially changed with effect from 30th november 2012. It is extremely versatile, and with enough skill and practice you can use this type of welding for virtually any metal. High gas withdrawal rates may require cylinder manifolding. When professionals need an affordable yet accurate process, they turn to oxyacetylene gas welding and cutting. In the proposed work experiments were conducted to determine the appropriate settings of cutting parameters, nozzle size, acetylene pressure, heating oxygen pressure, cutting oxygen pressure and.
Oxyacetylene flame cutting is a relevant and widespread industrial process. 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. The welding process that uses acetylene is known as oxyfuel cutting or gas cutting. Do not slightly open or crack fuel cylinder valve to blow debris from the valve outlet.
Replace acetylene gas with alternative gases propane and. Acetylene gas regulator should be set to deliver only 10 psi o close both oxygen and acetylene fuel gas cylinder valves o turn adjusting mechanism counterclockwise one. Acetylene produced by the chemical reaction process meets this standard. Gce group as an independent entity was formed in 1987 through the merging of gas equipment activities by two of the worlds leading industrial gas and welding. Description plate mm da kpa oxy kpa speed mm min da lmin oxy single 20 pack lmin 105520 105420 6ca 15 100 180 450 2 11.
Keep cylinder wrench on the cylinder for quick shutoff. The flamecutting depends on the burning of metal with a jet of oxygen with resultant oxides which are also removed by the oxygen for iron. The complete torch kit includes a oxygen tank and acetylene tank with regulators along with chromeplated brass torch assembly with turbo lever. Acetylenecutting tips industrial gas welding gas cutting.
The compressed gas cylinders typically have two regulators, one for the pressure in the gas cylinder and one indicating the pressure in the gas hose. Oxyfuel gas equipment has many uses welding, cutting, heating, straightening, and descaling. Typical operating parameters gas pressures and flow rates for achieving a range of gouge sizes depth and width can be seen in the table. It has the hottest flame temperature of the commercially available fuel gases up to 6,300 f3,480 c and is an excellent choice for welding, brazing and cutting of steel alloys. An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Gas welding allows you to cut steel bars, plates, and sheets, but thats not all. Oxy acetylene gas cutting set tbws welding supplies. Welding and cutting with oxygenfuel gas checklist checkbuster. This gas cutting set is ready to connect to most types of oxyacetylene gas cylinders. 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. Did you know that you can cut titanium with an oxy fuel torch. Follow the precautions in this safety section and those throughout this manual for your personal safety and the safety of people near the equipment.
The various fuel gases impact preheating time, cut quality, and metal thickness differently. Hampdon industrial stocks the industry leading gazcut range of quickie style gas cutting machines. Cutting assembly gases remain separate until reaching tip which protects torch from burn damage and. This material is classified as hazardous under osha regulations in the united states and the whmis in canada. Never drape a welding or cutting torch over a gas cylinder. Acetylene is odorless but commercial products normally have a marked odor. Grade b acetylene may have a maximum of 2% impurities and is generally used for oxyacetylene welding and metal cutting. Acetylene is a colorless gas widely used as a fuel and a chemical building block. Check to make sure acetylene is supplied to the cutting attachment, and to make sure the acetylene is still at the acceptable level. Part i acetylene gas generator, acetylene gas plant. This oxy acetylene cutting kit by gtech starparts, is a quality oxyacetylene kit supplied in a strong tool box, ready to get you started. How acetylene is made material, making, used, processing. Mediumduty oxyacetylene cutting and welding outfit 770 502.
For all gases except acetylene, open cylinder valve fully to backseal the cylinder valve. Flexible hoses are used to connect the regulators to the torch or blowpipe. Plans are only valid for new or certified refurbished products purchased in the last 30 days with no preexisting damage. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Click to bring up a form that will allow you to perform a fuel gas cost analysis comparing alternative fuel gases. It comprises oxygen and acetylene gases stored under pressure in steel cylinders. Oxy acetylene toolbox kit with flashback arrestors ideal for general cutting and welding applications. We also stock a range of general purpose, heavy duty, acetylene gas nozzles for general purpose hand welding. Acetylene generator ethyne gas hcch maker welding mix carbide. If we cant repair it, well replace it or reimburse the purchase price with an amazon egift card. Material safety data sheet gas, safety and welding. Among all other gases, acetylene is capable of producing the hottest flame. Fundamentals of gas cutting and welding cedengineering. The other equipments serves the same function as in case of oxy acetylene gas welding.
Heavy duty gas cutting torches and nozzlesoxy acetylene cutting. Fundamentals of gas cutting and welding ced engineering. Oxy fuel cutting is a thermal cutting process that uses oxygen and fuel gas such as acetylene, propane, mapp, propylene and natural gas to cut through materials. 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. The cutting action is supported by the pure oxygen stream. We offer a complete range of heavy duty gas cutting torches for applications such as sheet metal and automotive trades. May 3 did you know that gas flames produce infrared radiation. This course content is in the following pdf document. Stored in compressed gas cylinders of various pressures such as 1800psi, 2015psi, 2265psi, 2400psi cylinders are hollow in construction and come in varying sizes from 21cf to 337cf. The next step in oxyfuel cutting from the market leaders. The oxygen jet flow rate determines the depth and width of the gouge.
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