Hobbyweld product range acetylene multiuse bottled gas. Ppt oxyfuel cutting powerpoint presentation, free download id. A free powerpoint ppt presentation displayed as a flash slide show on id. Chemical reactions and temperature distribution in a neutral oxyacetylene the secondary combustion is also called the protection envelope since co and h2 here consume the o2 entering from surrounding air, thereby protecting.
It is also the only fuel gas hot enough to weld steel. Aug 30, 2019 an oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Flame produces a black soot and is worthless neutral oxygen acetylene same pressures quiet flame used on brazing. Oxy acetylene welding is not only an excellent method of joining thinner gauge metals, its also the best first step to understanding the fundamentals of welding that makes more modern processes like stick, tig, mig and flux core easier to learn. For the more traditional gas welding applications, we stock a wide range of oxy acetylene and oxy propane kits for cutting, heating and welding we offer a same day next day service throughout greater manchester and the north west. Grantee materials by topic occupational safety and. Proper care of oxyacetylene cutting and welding equipment imca. Cutting ferrous metals by the oxy acetylene process is primarily the rapid burning or oxidizing of the metal in a localized area.
Equipments used for oxyacetylene welding metallurgy. The use of oxygen and acetylene as welding gases dates back to the 1890s. First close the acetylene knob all the way until the flame is extinguished. Comes with hoses, welding and cutting torches, goggles, tip cleaners and striker. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c. The pressure of acetylene drawn from the generator is quite low, i. Occupational safety and health hazard awareness training for the construction, oil and gas, and landscaping industries.
The chemical action of the oxyacetylene flame can be adjusted. Occupational safety and health standards for the oil and gas industry. Oct 28, 2009 however propanecompressed air wont work for cutting as its the o2 that does the cutting had our shop teacher demonstrate by doing a cut and turning off the acetylene after it was started and finishing the foot long cut with only o2. It is the only gas mixture hot enough to melt steel. After watching this video, i now know more about oxyacetylene cutting than i thought i didnt know. Welding and oxy acetylene cutting powerpoint presentation. Acetylene welding gas is supplied in an acetylene cylinder sizes that include e and g. Separate cylinders and a hose pipe from each cylinder transports the gases to a torch. This is a quick and inexpensive way to cut iron and steel where a finished edge is not required. Also the oxygen control valve on the handle is to be opened completly.
An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Oxyacetylene cutting safety occupational safety and. Heres an oxy acetylene welding kit that handles a broad range of cutting, welding, and heating applications. Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Temperatures from the combustion of oxygen o2 gas and ethyne, or acetylene c2h2 gas can reach 3,340 degrees celsius, which is hot enough to cut through steel. Oxyfuel welding and oxyfuel cutting are processes that use fuel gases and oxygen to weld or cut metals. Because this is achieved by oxidation, it is only effective. Ppt oxyacetylene welding powerpoint presentation free. Here at spectrum welding supplies ltd we supply and stock a massive range of gas cutting equipment for oxyacetylene and oxypropane. Grantee materials by topic occupational safety and health. Ppt oxyacetylene welding powerpoint presentation free to download id.
The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0. Oxyacetylene welding is a very common welding process. Read more about oxyacetylenehydrogen welding mixers. By varying the relative amounts of acetylene and oxygen, a welder can produce different flame atmospheres and temperatures as he requires. If you have no manufacturer setting information, and are cutting less than 1. Cutting ferrous metals by the oxyacetylene process is primarily the rapid burning or oxidizing of the metal in a localized area. Proper care of oxyacetylene cutting and welding equipment. Oxy fuel cutting uses acetylene and oxygen to preheat metal to red hot and then uses pure oxygen to burn away the preheated metal. Acetone absorbs 50 times its own weight in acetylene and stabilizes it low pressure acetylene, cont.
Typical torch system oxygen cylinder acetylene cylinder method of securing the cylinders. Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape. Acetylene acetyline sic is typically used with oxygen for oxy acetylene cylinders welding, cutting, brazing, flame hardening and more. Our oldest son and i got this to learn about using an oxy acetylene torch as it was something we both wanted to learn.
Mar 29, 2019 an oxyacetylene torch, also known as a blow torch, is a dangerous cutting system, but its also a powerful and useful tool if you need to cut steel. Although a bit grainy due to the age of the video, that does not hamper the subject matter contained within it. An oxyacetylene torch, also known as a blow torch, is a dangerous cutting system, but its also a powerful and useful tool if you need to cut steel. Oxy acetylene propane cutting proactive gas safety. Flame cutting mentions to all cutting processes where the metal can be cut by an oxygen stream the fuel gas is combined with oxygen to form the heating. The different part of low presswelding torch is shown in fig. How to set up an oxy acetylene torch with pictures wikihow. Fundamentals of gas cutting and welding cedengineering. It uses extreme heat to function, and setting it up properly is one of the most important steps in using it safely. The combination of oxygen and acetylene produces a flame temperature over 6000 degrees fahrenheit making it ideal for welding and cutting. Cutting with the oxy fuel process is just the opposite from of welding. Solid brass torch handle, cutting attachment and regulators. Experts with proven credentials and a high standing within the research fraternity have presented an indepth analysis of the subject matter, bringing to bear their unparalleled domain knowledge and vast research experience. Flame is noisy acetylene more acetylene than oxygen.
Acetylene gas c2h2 is dissolved in acetone liquid and stored at 250 psi, in a specially designed cylinder. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly. There were no concerns about the fuel detonating if mishandled either. 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.
In addition, oxy fuel cutting is still widely used, both in heavy industry and light industrial and repair operations. Jun 05, 20 how to cut plate straight and smooth with the gas axe. Gas welding oxy acetylene a number of welding processes use a flame ppt. Since oxidation of the metal is a vital part of the. By creating a safe work environment and carefully monitoring the pressure of the oxygen and acetylene, you can use an oxyacetylene torch for any number of projects. Types of welding welding includes 60 or more process variations electric welding and oxyfuel gas welding weldingcutting occurs at most businesses at some point welding hazards. Oxyacetylene welding is not only an excellent method of joining thinner gauge metals, its also the best first step to understanding the fundamentals of welding that makes more modern processes like stick, tig, mig and flux core easier to learn. Welding and oxy acetylene cutting powerpoint presentation presentation title. For only cutting and heating propane will do the job and its safer than acetylene too. Oxy acetylene propane cutting proactive gas safety training.
The gas usually used is acetylene but other gases are also used. Casey cutting into some steel with an oxyacetylene torch. Mar 05, 2014 acetylene gas virtually all the acetylene distributed for welding and cutting use is created by allowing calcium carbide a man made product to react with water. Download welding and oxy acetylene cutting ppt for free. Ppt gas welding oxyacetylene powerpoint presentation. Fundamentals of gas cutting and welding ced engineering. It uses extreme heat to function, and setting it up properly is one of the most important.
Cylinder storage well ventilated room no open flame in the store 10 m distance from oxygen and acetylene cylinders no materials. The nice thing about the calcium carbide method of producing acetylene is that it. With this family of processes, the base metal and a filler rod are melted using a flame produced at the tip of a welding torch. New listing boc saffire oxy gas acetylene welding cutting torch metal working cutter welder. Objectives understand facts about oxygen and acetylene explain functions of oxyacetylene heat list the procedures for assembly of the oxyacetylene rig identify. How to operate an oxyacetylene cutting torch snapguide. Our oldest son and i got this to learn about using an oxyacetylene torch as it was something we both wanted to learn. The top countries of suppliers are india, china, and taiwan, china, from which the percentage of oxy acetylene supply is 1%, 97%, and 1% respectively. When using our oxygen and acetylene together, flame temperatures can reach an amazing 3500c 6330f. It is the only torch that use an oxygen purity that low. Open the acetylene needle valve on the torch and which is blown or washed out of the kerf by the force allow gas in the hose to escape for 5 to 15 seconds. Converting an oxyacetylene torch to run off compressed.
Converting an oxyacetylene torch to run off compressedpropane, is it possible. The chemical action of the oxyacetylene flame can be adjusted by changing the ratio of the volume of oxygen to acetylene, using the valves on the torch or. Flashbacks and backfires flashbacks are commonly caused by a reverse flow of oxygen into the fuel gas hose continue reading proper care of oxyacetylene cutting. Flashbacks and backfires flashbacks are commonly caused by a reverse flow of oxygen into the fuel gas hose continue reading proper care of. Gas welding oxyacetylene a number of welding processes use a flame produced by burning a mixture of fuel gas and oxygen. Acetylene is the hottest and most efficient fuel gas on the market, making it the preferred product for many applications. Rule of thumb multihole cutting tips, oxy fuel gas recommended oxy fuel gas propane, propylene.
Acetylene gas oxy acetylene bottles sizes acetylene. Oxyfuel cutting uses acetylene and oxygen to preheat metal to red hot and then uses pure oxygen to burn away the preheated metal. Oxygen acetylene welding, or oxy acetylene welding, is a process for joining metals that was introduced in 1903 by thomas wilson. After watching this video, i now know more about oxy acetylene cutting than i thought i didnt know. Ppt flame cutting powerpoint presentation, free download. The oxyacetylene process produces a high temperature flame, over 3000 degrees c, by the combustion of pure oxygen and acetylene.
Acetylene gas c2h2 is dissolved in acetone liquid and stored at 250 psi. Acetylenes most common uses are as welding gas and as a chemical feedstock for polyethylene plastics and acrylics. The nice thing about the calcium carbide method of producing acetylene is that it can be done on almost any scale desired. You can also choose from gas torch, mig torch, and butane torch oxy acetylene there are 305 suppliers who sells oxy acetylene on, mainly located in asia. 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.
Welding hazards firescaused by unsafe welding or cutting operations burns electric shock light radiation ultraviolet, infrared, and intense visible light air. As a teenager in the 50s i burned cars apart in a wrecking yard with oxypropane, it works very well. Chemical reactions and temperature distribution in a neutral oxyacetylene the secondary combustion is also called the protection envelope since co and h2 here consume the o2 entering from surrounding air, thereby. Type of flame oxygen flame more oxygen is used than acetylene used on torch cutting or heating. Heres an oxyacetylene welding kit that handles a broad range of cutting, welding, and heating applications. A member has noted a number of incidents resulting in fires caused by perished hoses and flashbacks involving oxyacetylene cutting equipment, and has shared the following information with imca for use as part of a safety flash. Now open both cylinders valves no specific order but only open the acetylene tank about a 12 turn, the oxygen should be opened all the way. 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. Acetylene s most common uses are as welding gas and as a chemical feedstock for polyethylene plastics and acrylics. Oxyfuel welding ofw information welding gas, welding. Read more about oxy acetylene hydrogen welding mixers. The lowpressure blow pipe or welding torch is used to carry the acetylene at low pressure 0. As a teenager in the 50s i burned cars apart in a wrecking yard with oxy propane, it works very well. Oxyfuel is a group of processes that use heat generated as.
You will typically use between 2 to 3 times the amount of. Oxyacetylene cutting safety in agriculture osha standard 1910. Temperatures from the combustion of oxygen o2 gas and ethyne, or acetylene c2h2 gas can reach 3,340 degrees celsius, which is. Portable hk12 track torch oxy acetylene gas cutting beveling with 1. Gas welding cutting kit oxy acetylene oxygen torch brazing welding torch set ca. If you need to cut durbar tread plate you may find it easier to maintain the consistency of the cut if you face the ridged side down and cut. Oxyfuel 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.
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