Oxy acetylene cutting is used in many metal fabrication shops. Cutting with the oxyfuel process is just the opposite from of welding. 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 can be very intimidating to students and inexperienced welders.
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. This gas cutting set is ready to connect to most types of oxyacetylene gas cylinders. The oxy acetylene welding process uses a combination of oxygen and acetylene gas in the approved ratio to provide a high temperature flame. Remove the debris using nitrogen, air, or a clean, oilfree rag. Then purge the acetylene gas line and check for constant gas flow. Gas welding allows you to cut steel bars, plates, and sheets, but thats not all. Introduction to gas welding and cutting a pdh online. 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. 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. Cutting assembly gases remain separate until reaching tip which protects torch from burn damage and. Heavy duty gas cutting torches and nozzlesoxy acetylene cutting. This video will give you an indepth lesson on how to setup and break down your rig. May 3 did you know that gas flames produce infrared radiation. 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.
Generally, hc gases are used as fuel gas in oxy fuel gas cutting. This was before they really had acetylene that you can just buy in a bottle. Gas welding uses tanks of compressed oxygen and fuelmost commonly acetylene feeding these gases through hoses to a handheld torch, producing an. Oxy acetylene gas cutting set tbws welding supplies. A number 4 shade lens is minimum for oxy fuel gas welding and cutting. Acetylene is odorless but commercial products normally have a marked odor. 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 necessary temperature is maintained by gas flames resulting from the combustion of acetylene with oxygen.
Safety in gas welding, cutting and similar processes. Grade b acetylene may have a maximum of 2% impurities and is generally used for oxyacetylene welding and metal cutting. 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. If we cant repair it, well replace it or reimburse the purchase price with an amazon egift card. When checking the acetylene, it is best to do it quick so that you are not letting the extra gas out and causing a. Did you know that you can cut titanium with an oxy fuel torch.
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. Cutting r osebud w elding torch tip files striker backup flint. Acetylene, dissolved gas safety data sheet sds p4559. Follow the precautions in this safety section and those throughout this manual for your personal safety and the safety of people near the equipment. In fact, the oxyacetylene flame burns at 6000 f, and is the only gas flame that is hot enough to melt all commercial metals. The fuel gas commonly acetylene, when mixed with proper proportion of oxygen in a mixing chamber of welding torch. Oxy fuel cutting is a time consuming process, especially cutting thick walled materials.
Oxyfuel gas equipment has many uses welding, cutting, heating, straightening, and descaling. This method is used to cut or weld materials that require temperatures as high as 3,500 c 6,330 f. Pdf oxyacetylene flame cutting is a relevant and widespread. You know the high pressure and the oxidizing problem with oxygen if theres any carbon present. Share copy and redistribute the material in any medium or format. It is extremely versatile, and with enough skill and practice you can use this type of welding for virtually any metal. How to operate an oxyacetylene cutting torch snapguide. Other welding gases that develop comparable temperatures need special procedures for safe shipping and handling. Use harris tip cleaner e9 pn 9000160 for two piece tips. For all gases except acetylene, open cylinder valve fully to backseal the cylinder valve. A credit bearing skills programme offered on a fulltime 5 days. Ne not established c ceiling limit see section 16 for definitions of terms used. Oxy acetylene cutting can be used to cut thicknesses from 28. There are advantages for the oxy acetylene welding processes, especially in light gauge sheet metal work and oxy cutting in heavy section.
For oxygenacetylene torch cutting you need the two process gasses oxygen o2 and acetylene c2h2. This course content is in the following pdf document. How to set the oxy acetylene regulators tech team products. For a typical oxygas cutting outfit, also referred to as a cutting rig figure 41, you need. 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. It comprises oxygen and acetylene gases stored under pressure in steel cylinders.
In this modern steelage welding scienceboth arc and gas weldingare developing side by side. The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0. 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. It is a colourless, inflammable gas widely used as a fuel in oxyacetylene welding and cutting of metals and as raw. Gce cwt provides a full range of gas pressure regulators, arc welding. This instruction should be read in conjunction with. The shortest distance through the material is a cut perpendicular to the wall. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c.
In this article, you will learn the basics of setting up, using and extinguishing an oxy acetylene cutting torch. Principle of gas welding with diagram your article library. 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. The course will address all persons in the manufacturing industry to achieve advanced skills in gas cutting required by using the oxy acetylene process. The oxy acetylene torch is a safe tool if used properly. Setup and shutdown procedure for oxy fuel cutting torch. It is known around the world as one of the best portable cutting machines in the industry. It is applied on materials that require temperatures as high as 3,500 degree celsius for cutting or welding. Material safety data sheet, per the requirements of the osha hazard communication standard 29 cfr 1910. Acetylene generator ethyne gas hcch maker welding mix carbide. Pdf kinetics of oxyfuel gas cutting of steels researchgate. Flexible hoses are used to connect the regulators to the torch or blowpipe.
The fire and rescue service protocol for acetylene fires was officially changed with effect from 30th november 2012. The spark lighter is used to ignite the oxy acetylene mixture at the tip of cutting torch. Acetylene gas is shipped in special cylinders designed to keep the gas dissolved. 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. The cylinders should be fitted with regulators, to control the pressure and flow of gases. Contact technical services at 18004261888 data compiled using mild steel as test material. Oxygen acetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene.
Acetylene is the primary fuel for oxy fuel welding and is the fuel of choice for repair work and general cutting and welding. Keep cylinder wrench on the cylinder for quick shutoff. Premium quality cutting tips offer precise gas flow for maximum effectiveness in cutting steel. Welders have 26 fuel gases to choose from, but acetylene, propylene, propane and natural gas are used most frequently for cutting. How acetylene is made material, making, used, processing. This oxy acetylene cutting kit by gtech starparts, is a quality oxyacetylene kit supplied in a strong tool box, ready to get you started.
Our gas welding nozzles are designed for use with the type 5 shank and welding mixer. Open the acetylene blowpipe handpiece valve very slightly and light with a flint lighter only. Oxy acetylene welding and cutting equipment, online at gas uk. However, welding with oxyacetylene requires a lot of practice and patience. 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. Keep cylinders away from any arc welding, cutting, or other electrical circuits. The kc12 bee is an affordable portable oxy fuel cutting machine. Fundamentals of gas cutting and welding cedengineering. Did you know that a protocol station can extend the life of a regulator. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. 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. Hampdon industrial stocks the industry leading gazcut range of quickie style gas cutting machines. 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.
It uses extreme heat to function, and setting it up properly is one of the most. One of the most commonly used applications of acetylene gas is oxy acetylene welding, oxy welding, or gas welding. When professionals need an affordable yet accurate process, they turn to oxyacetylene gas welding and cutting. High gas withdrawal rates may require cylinder manifolding. Acetylene produced by the chemical reaction process meets this standard. Safe operating procedures sop 15 oxy acetylene cutting. 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. Oxyacetylene welding acetylene gas plant, acetylene plant. Allow gas in the hose to escape for 5 to 15 seconds. This material is classified as hazardous under osha regulations in the united states and the whmis in canada. 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. 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. Welding is a fundamental skill needed to perform auto repairs, modifications, and other services.
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 chemical action of the oxyacetylene flame can be adjusted. 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. Oxy acetylene equipment is portable and easy to use. Did you know that you can solder an hvac connection. Material safety data sheet gas, safety and welding. Supplied in a tough aluminium case so ideal for site applications. It can be used for cutting steel, welding steel, brazing and for heating metal. Jun 22, 2016 acetylene used in welding is called as oxy fuel cutting or gas cutting. Begin your welding and cutting with oxygenfuel gas checklist based inspection right now. Wescol 2 gauge acetylene gas regulator 25 bar single stage. 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. How to cut metal with an oxy acetylene 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.
Oxyfuel equipment is versatile, lending itself to welding, brazing, brazewelding, silver soldering, metal heating for bending and forming and oxyfuel cutting. Oxy fuel cutting ofc processes sever metal by utilizing the chemical reaction of oxygen with metal at elevated temperatures. The cutting action is supported by the pure oxygen stream. Part i acetylene gas generator, acetylene gas plant. Acetylenecutting tips industrial gas welding gas cutting. The other equipments serves the same function as in case of oxy acetylene gas welding. Both gases are stored in separate compressed gas cylinders. Chemical, physical and thermal properties of acetylene ethyne c 2 h 2. 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. Oxyacetylene oa welding is one of the many types of welding supported by the prl. Equipped flashback arrestors offer peace of mind and safety during operation.
The oxygen jet flow rate determines the depth and width of the gouge. The next step in oxyfuel cutting from the market leaders. 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. Victor tip charts acetylene cutting tip chart cutting tip series 1101 and 3101 metal thickness tip size. 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. In oxyacetylene gouging, equal quantities of oxygen and acetylene are used to set a nearneutral preheating flame. Handling and storage advice on general occupational hygiene conditions for safe storage, including any incompatibilities eating, drinking and. 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. Typical operating parameters gas pressures and flow rates for achieving a range of gouge sizes depth and width can be seen in the table. We also stock a range of general purpose, heavy duty, acetylene gas nozzles for general purpose hand welding. All kit contents are made to comply with australian standards where required. How to properly light, adjust and shut down an oxy acetylene torch.
We offer a complete range of heavy duty gas cutting torches for applications such as sheet metal and automotive trades. An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Cutting tip for oxygen acetylene, size number 0, cuts metals up to 2 in. The welding process that uses acetylene is known as oxyfuel cutting or gas cutting. Replace acetylene gas with alternative gases propane and. Here at gas uk, we supply a huge range of oxy acetylene welding and cutting equipment to facilitate your welding needs. Other gas flames used for cutting metal are oxycoal gasit is slower than oxyacetylene and oxy hydrogenfor thicker sections.
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. This range could be expanded if the appropriate cutting tip was used based on the thickness being cut. How to operate an oxy acetylene cutting torch i am a welderfabricator by trade. The complete torch kit includes a oxygen tank and acetylene tank with regulators along with chromeplated brass torch assembly with turbo lever. Cutting tips series 1 acetylene cutting tips tip packaging is color coded with reference to fuel gas usage. Oxy fuel welding an oxy fuel gas welding process that produces fused metals by. Shop all gas welding and cutting equipment available online at welders supply. Oxy acetylene toolbox kit with flashback arrestors ideal for general cutting and welding applications. Among all other gases, acetylene is capable of producing the hottest flame.
In this article we will discuss about the principle of gas welding. How to set up an oxy acetylene torch with pictures wikihow. Oxyacetylene flame cutting is a relevant and widespread industrial process. Check to make sure acetylene is supplied to the cutting attachment, and to make sure the acetylene is still at the acceptable level. 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. Welding and cutting with oxygenfuel gas checklist checkbuster. Oxy propane cutting nozzle oxy acetylene cutting nozzle economy propane has greater stoichiometric oxygen requirements than acetylene. Plans are only valid for new or certified refurbished products purchased in the last 30 days with no preexisting damage.
Premium quality brandnew acetylene cutting tip 6290ac for harris torch general preheat acetylene single piece cutting tip. 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. 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. The oxy acetylene torch can be used for various tasks. Do not slightly open or crack fuel cylinder valve to blow debris from the valve outlet. The welding torch is the most approachable to get used to handling the rig. Victor tip charts propylene cutting tip chart cutting tip series gpp and hpp metal thickness tip size cutting. Mediumduty oxyacetylene cutting and welding outfit 770 502. 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. Fundamentals of gas cutting and welding ced engineering. The required temperature is provided by the combustion of a fuel gas and oxygen minimum 99. Oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by. Oxyacetylene gas cutting techniques manual type of course a credit bearing skills programme offered on a fulltime 5 days.
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. 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. Oxyfuel welding and oxyfuel cutting are processes that use fuel gases and oxygen to weld or cut metals. The various fuel gases impact preheating time, cut quality, and metal thickness differently.
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