In general, it’s smart to work in an area where you can reach all your tools without having to search for them. Approved. 1. Depress cutting lever and adjust pressure if necessary. *The RED HOSE=Acetylene, GREEN HOSE=Oxygen*. Purge both lines individually. This is our 50ft twin welding torch hose which is specifically designed for oxygen & acetylene welding and is perfect for welding & cutting. The cutting-nozzle has a number of small jets and a space around the central large jet for oxygen pressure. Cutting tips come in one-piece and two-piece styles. Why is the head of an oxy acetylene torch made of brass? References Take the torch and connect the handle with hoses. What do I do if the lever on the torch isn't doing anything? We have pulled together the key advantages of using a torch over a plasma cutter for metal cutting and manipulation. Cutting torches or oxy-fuel cutters, as they’re technically called, are tools that many different professionals use daily. If your torch keeps experiencing flashback, there may be a damaged piece that needs to be returned or replaced. If you have long hair, tie it back or tuck it into a bandanna or cap. Reading your article put me back on line for setting the gauges, thanks for the help. Use a larger tip for cutting thick metal. If there aren't any leaks, then set the correct operating pressure. What would really help would be the working principles of the gas welding. Since the advent of arc welding, very little industrial work is still performed with the oxy/fuel process. OXYGEN=15-30 PSI ACETYLENE=5-8 PSI *NO GREATER*. Open the oxygen valve very slightly at first and pause until the pressure gauge hand isn’t moving any more before moving on to open the valve fully. I hadn't used my oxy acetylene equipment for a few years and had forgotten the settings and, "I have been a welder for many years. Oxy-acetylene torches are versatile, and in many opinions, an indispensable part of the farm tools and equipment we use on the homestead. To learn how to get a neutral, blue flame, keep reading! ", start-up sequence. This was invaluable. When using oxy-acetylene a special torch or cutting blowpipe is necessary. The torch excels at tasks where extreme precision isn’t required but speed is. I will repeat this as many times as possible, always shut the oxygen valve first then the gas fuel. It is very important to test for leaks before starting your project. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. First close the Acetylene knob all the way until the flame is extinguished. By signing up you are agreeing to receive emails according to our privacy policy. Assuming your using a "Dual-Guarded Torch" First, you must open the BOTTOM Oxygen knob all the way. Which tip should I use to heat the metal up? My concern was to check how I can adjust the oxygen and acetylene pressure, and I got, "Great tutorial on basics of brazing, but it's not so easy as reading this article. Assuming your using a "Dual-Guarded Torch" First, you must open the BOTTOM Oxygen knob all the way. For the oxygen, turn the pressure-adjusting … The cutting torch uses compressed oxygen and acetylene to cut metal. Next you should check the valves for any residual pressure. Laying the bottle down could lead to venting the acetone. As you heat metal to about 1800 degrees oxygen gets in contact with your metal and you then create combustion or rapid oxidation. 8. Artisans still use the method some for creating artwork. Having tight connections is extremely important because they will keep both the oxygen and acetylene from leaking. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. A brazing tip can work on smaller areas. Any work brush you have on hand will do; just make sure it hasn’t been compromised by oil or gas. "I have been away from gas welding for about 10 years and now helping out at a train museum, have to some gutting, "The steps on how to light up the oxy acetylene torch and how to make adjustments helped. Cutting is the #1 most widely used process of the gas torch outfit. Thank you! If there is or isn't, you should still purge your torch as an extra precaution. I've never welded with an acetelyn torch, only cut. Open the acetylene torch valve half a turn. For the welder, they’re also useful for trimming material or making cuts before welding. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. A general rule of thumb is don't lay either bottle down. Ignite flame with striker. Include your email address to get a message when this question is answered. Video for my high school students to follow as they learn the process of using the Oxy-Acetylene torch. You'll also need to connect the gas supplies, like the oxygen and the acetylene hoses, to the torch. Be safe and take your time...", "I like to know how to use the machines of welding ,am very interesting to it, how to use acetylene and oxygen. Never attempt to repair hoses with tape of any sort. By using this service, some information may be shared with YouTube. Most new oxy acetylene torches come with built in adapters, but double-check with the manufacturer’s instructions to be safe. Before starting you should inspect your Torch, Gas Hoses and Regulator Valves for any damage. Lighting and adjusting the torch (with a positive/equal pressure mixer): Separately purge both oxygen and fuel gas lines. Turn the acetylene knob on the cutting torch about a quarter of a turn and light the acetylene. Proper care of oxy-acetylene cutting and welding equipment. Check the area that you are working in for combustibles and make sure that you have a fire extinguisher within 9 meters of a cutting torch operation. Tilt the torch away from you pointing down, hold the striker at least 2" away from the tip and flick the striker. 7. Using pressure-reducing regulators, connecting gas supplies, and safely lighting the torch flame are all essential parts of learning how to use an oxy acetylene torch. Now that the torch is lit and assuming you followed all the last steps, the flame coming from the torch should be producing soot. Open fuel gas valve 1/2 turn. Oxy acetylene gas welding cutting choosing oxy fuel vs plasma cutting unled oxy acetylene welding equipment diagram c welding hoses Acetylene Vs Alternate Fuel The Harris S GroupOxy Acetylene Welding Ofw Fundamentals Pressure Settings Chart Set Up And KitNeed Help Selecting An Oxy Acetylene Setup Bike ForumsDid You Know That Gas Flames Produce Infrared … How to operate an oxy-acetylene cutting torch. wikiHow marks an article as reader-approved once it receives enough positive feedback. Oxygen and acetylene in approximately equal proportions are burnt at the small … Check again and again all the connections are secure with the valves, cutting torch, and handle as well. Don’t force connections—if the threads don’t run together easily by hand, either the threads are damaged or the parts aren’t meant to go together. Light the torch with a striker. So, knowing the better use of this torch you also know the role of every part of it. Can you provide a list of procedures for adjusting an oxyacetylene torch for brazing? Harris HHD Heavy Duty Ironworker 510 Oxy Acetylene Cutting Torch Kit 4400367 9.4 8.9 9.5 3: Gas Welding Cutting Kit Oxy Acetylene Oxygen Torch Brazing W/Hose 9.3 8.8 When the cutting torch head is attached to the oxy/acetylene handle, it becomes a powerful instrument for cutting metals. wikiHow's. Secondly, open the Acetylene knob about a 1/4 Turn. Light the torch with a flint striker. ", "I haven't welded in about 10 years, and need a little refresher. You can't, because it's a carbon gas. Double welding hose suitable for industrial, contractor, or household use. Light torch with flint striker: Open acetylene valve on torch. Heating, welding, and cutting cause smoke and fumes that are bad to breathe in and that can irritate the skin. OXYGEN=15-30 PSI ACETYLENE=5-8 PSI *NO GREATER* Now to properly set the torch. how to cut metal with an oxygen and acetylene torch. The lighting procedure should result in a neutral flame, which is blue in color and which does not make a hissing sound. If you ever need to make an adjustment after the cylinder has been opened and used, make sure to close the cylinder valve before tightening the nut again. Put your gloves and goggles on before lighting the torch. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Do not try lighting with some oxy because that is an explosive mixture. Thanks. and brazing. How many gauges are needed on the acetylene bottle? Torch welding is one of the most popular and trusted ways to cut metal because it can be done from nearly any location and work through a wide variety of materials. To set up an oxy acetylene torch, start by cleaning any dust or dirt from the valve outlet. It does this well, but it also lets us superheat rusty bolts and parts that can’t be freed with a good old dose of torque. Oxy Acetylene The recommended setting for multi-hole cutting using oxy acetylene is the oxygen regulator at 40 psig with the acetylene regulator setting at 10 psig. Now before lighting the torch, make sure your hands and body are properly protected. A different mechanism called “capillary action” is used for brazing. ", "The pictures and specific steps are amazing.". This will help and save me money. What size tip do I need for cutting thick metal in half? This is just a basic overview of how to use an acetylene torch to cut metal. wikiHow is where trusted research and expert knowledge come together. A member has noted a number of incidents resulting in fires caused by perished hoses and flashbacks involving oxy-acetylene cutting equipment, and has shared the following information with IMCA for use as part of a safety flash. This is important, especially for the oxygen cylinder since it is a … Simply open the Acetylene knob more until you have a roaring flame. Give the solution 1-2 minutes to sit before checking for leaks. Most cutting torches are lit up using this method: Slightly open the valve for acetylene on the cutting torch. Last Updated: August 30, 2019 Then turn off the oxygen . There are 24 references cited in this article, which can be found at the bottom of the page. Now install the cutting torch. Testing Connections for Leaks Close both torch valves. Oxy-fuel welding and oxy-fuel cutting are processes that use fuel gases and oxygen to weld or cut metals. By using our site, you agree to our. To achieve uniform capillary action, both parts must be evenly heated before adding rod. Lighting the Oxy-fuel torch 1. By burning acetylene enriched by oxygen, the attachment and tip heat the metal to critical temperature. Always use caps when transporting. Any gas under pressure is dangerous and must be handled with due care and attention. Advantages of Using Oxy-acetylene Torche to Cut Metal. The acetylene valve should never be opened more than 1 and 1/2 turns. On a cutting torch, depress the lever and adjust if necessary; Lighting Procedure. Press the "Oxygen Blast Trigger" while adjusting the knob to have a Better distinction of what flame you'll be working with. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. The torch must be kept in motion to evenly distribute heat and should be kept farther away than traditionally to keep sections from overheating. As with the previous recommendation, this applies to cutting steel that is less than 1.5 inch thick. Light flame (striker should be about ¼ to ½ inch from tip). A hose with a natural rubber liner is okay for acetylene service. It is ideal for connecting supply lines,compressors, hose reels. Leaks can cause harm to you or your surroundings and may lead to spontaneous combustion of the cylinders. A lot of sites have community forums where people post tips and stories about their experiences that you can learn from. Cutting with the Torch 1. Make sure that it does not exceed a half-turn. Warning: never clear a fuel gas cylinder near other welding work that is in progress or near sparks or flames. The WPG indicates the gas pressure to the torch and is set by the regulator. In order to do so, you must tighten the Regulator Adjusting-Screw. Open the acetylene valve on the torch handle about 1/8 turn, or 45 degrees. The acetylene bottle contains acetone, which helps stabilize the acetylene. If you open the valve too fast or too far, you may cause the canister to combust. Thanks to all authors for creating a page that has been read 708,352 times. ", "Very professional way, helped me a lot. The work is dissipating heat faster than the torch is producing it. Cylinders should only be used and stored in the vertical position. This valve you’ll find attached on a cutting torch that provides passages which guide both acetylene and oxygen to the mixing chamber. The oxy-acetylene torch is one of the most widely used tools for cutting. Pure oxygen, instead of air, is used to increase the flame temperature to allow localized melting of the workpiece material in a room environment. You can use a Cutting Torch with all 3, but Oxy/Propane & Oxy/Propylene use a different Nozzle to Oxy/Acetylene. Open the acetylene valve again, allowing the oxygen remaining in the mixing chamber... 3. ", http://www.esabna.com/euweb/oxy_handbook/589oxy6_1.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_2.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_4.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_5.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_6.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_7.htm, https://www.gov.mb.ca/agriculture/rural-communities/4h/pubs/machweldmem.pdf, http://www.esabna.com/euweb/oxy_handbook/589oxy6_8.htm, http://www.esabna.com/euweb/oxy_handbook/589oxy6_10.htm, Einen Acetylen Sauerstoff Schweissbrenner vorbereiten, настроить кислородно–ацетиленовую горелку, consider supporting our work with a contribution to wikiHow. Keep animals and children away from your work area when operating an oxy acetylene torch. Now open both cylinders valves (No specific order) but only open the Acetylene tank about a 1/2 turn, the Oxygen should be opened all the way. If after you’ve tested and refastened any leaking areas you are still seeing bubbles, that may indicate you have a leaky hose and need to get a new one before moving on with your project. The CPG will show about 200psi on a full acetylene bottle and decrease as it is used. It is a back-flow preventer. Don’t set the pressure higher than what the equipment manufacturer recommends. Know your equipment. % of people told us that this article helped them. You can also search the manufacturer online to check out more information regarding your tool. After opening both Valves you must adjust the proper pressure for each tank. Finally, open the torch acetylene valve ½ turn and use a friction lighter to light the flame. I have simple, "The article helps me a lot. Use a flint striker or spark lighter to ignite the acetylene gas flowing out of the torch’s nozzle. All tip submissions are carefully reviewed before being published. It keeps the acetylene from mixing in the hoses and tanks with the oxygen and vice versa. There is a tip called a rose bud that produces a large area to heat metals. After a period of time you forget the simple things and this was a great, "Good info. Now to properly set the torch. Double check your connections before moving on to make sure everything is hooked up to the right place. It basically burns your metal and produces slag which results from iron oxide that is created as your torch burns the metal. Preheating conducts heat through the joint and brings both pieces to the right brazing temperature. Think ahead when you are starting a project and bring your tools to your workspace before beginning. Finally, it will get out to the tip called the cutting tip. Its always best to follow the instructions for the torch you are using. Learn more... An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. Increase the gas flow until there is no smoke and the flame leaves the tip of the torch. The acetylene regulator should be between 5-7 psi. If in doubt, turn off the gasses and check your machine over before proceeding. A cutting torch does the same kind of thing. Because it is a corrosion resistant metal that will not create sparks when struck against other substances. Close acetylene valve on torch. Adjust acetylene to bring flame back down to almost touching the tip. Can I lay the gas tank down while it is being used? Secondly, open the Acetylene knob about a 1/4 Turn. The oxy-acetylene regulator is one of these. Thank you. What oxygen pressure can I use when cutting metals? This was what I needed! Open oxygen valve slowly on torch and adjust flame. It can be used at home, auto garage ,jobsites and so on. Don’t use a lighter. The primary use of an oxy-acetylene torch set is to cut metal. How do I stop black smoke from happening when I light an oxy acetylene torch? Increase fuel gas flow until flame leaves end of … It uses extreme heat to function, and setting it up properly is one of the most important steps in using it safely. Next, attach the pressure-reducing regulators that allow you to safely start and operate the torch. This article has been viewed 708,352 times. Some torch offers a mixing valve that omits the use of the oxygen shutoff valve. Lastly, to shut down. What is the safety device fitted to the regulator? Tip design is based on the flame characteristics of the fuel gas used, as well as the intended use of the cutting tip. A Cylinder Pressure Gauge and a Working Pressure Gauge. For better practice, we suggest you use hoses of different colors like green for oxygen and red for acetylene. One-piece tips are used with acetylene and are made from copper alloy to withstand the heat of the cutting process (see Figure 2). This article received 11 testimonials and 90% of readers who voted found it helpful, earning it our reader-approved status. We use cookies to make wikiHow great. Turn up the torch or use a larger tip. ", be taken. Without knowing how to set oxy acetylene regulators, it’s hard to adjust the gas and complete the cutting … Just hold the tip of the oxy-acetylene torch at 45 degrees and gradually release preheat oxygen to the point the flame stabilizes. To learn how to get a neutral, blue flame, keep reading! The cutting attachment hooks up to the torch handle and holds the cutting tip. Never use torches, regulators, or hoses in need of repair. Also, the precautions to, "Excellent article. The reason is to check for any leaks when turning off the torch. Learn the top 5 signs someone is lying to you. Two. 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