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  • ENG723 Basic gas - dtwd.wa.gov.au

    Gas Welding & and Cutting. 1. Chapter 1 – Oxygen-fuel gas plant safety. Introduction. Gas welding has been around for many years and when it is carried out by a skilled operator, it can be useful in welding a wide range of materials. It has, however, been largely superseded by more modern welding methods yet it remains a desirable base

  • Operating Instructions and Parts Manual Plasma Cutter

    gas regulator. This easy to use plasma cutter has the power to cut up to 3/8 in. materials and a pilot arc that makes cutting expanded metal possible. This machine required single-phase 230V (220V-240V), 60 Hz input power. Specifications and Dimensions DESCRIPTION SPECIFICATION Power Supply 1ph-230V-60HZ No-load Voltage 340V Output Range 15-40A

  • LASER CUTTING: THE ULTIMATE GUIDE

    away, or is blown away by a jet of gas, leaving an edge with a good-quality surface finish. The laser can cut until a 20mm-thick material, depending on the type of laser. Part II: From design to object Part III: Applications of laser cutting Commonly used in the industry, laser cutting machines function

  • GAS CUTTING - GlobalSecurity.org

    GAS CUTTING The common methods used in cutting metal are ... torch, you can keep the cut within close tolerances; ... Pure acetylene is self-explosive if stored in the free state under a pressure ...

  • Nitrogen vs. Oxygen: Which Should You Use to Cut Steel ...

    Nov 26, 2012 · With higher power resonators this thickness can be cut draws free. If you want to try a couple of things that might help, try bringing the cutting gas pressure much lower than typical, maybe as low as 4 bar. Also, burying the focus 1 or 2 mm below the bottom of the material can help.

  • Cutting Processes - Application of Oxyfuel Cutting - TWI

    a jet of oxygen to react with the material to be cut and at a flow rate sufficient to blow away the slag; Each torch should be fitted with the appropriate nozzle for the type of fuel gas. Nozzles can be of a one- or two-piece design. The nozzle type will depend on: fuel gas; manual or machine operation; manufacturer's preference

  • The Ultimate Guide to Fiber Laser Cutting | MachineMfg

    Most materials can be cut with a small power laser. Because these materials are flammable, the cut surface is easily carbonized. Acrylic acid and polytetrafluoroethylene are not easily carbonized. Generally, nitrogen or dry air can be used as an auxiliary gas. Leather, wood, …

  • The Ultimate Guide to Fiber Laser Cutting | MachineMfg

    It can cut not only materials in high hardness and brittle, such as silicon nitride, ceramics, quartz, etc., but also flexible materials such as cloth, paper, plastic sheets, rubber, etc., such as laser cutting for clothing, which can saving 10 %~12% material and improving the efficacy by more than 3 times.

  • manual gas cutting machine, manual gas cutting machine ...

    You can also choose from nitrogen, oxygen, and hydrogen manual gas cutting machine, as well as from pakistan manual gas cutting machine, and whether manual gas cutting machine is competitive price, high productivity, or easy to operate. There are 1,028 suppliers who sells manual gas cutting machine on Alibaba.com, mainly located in Asia.

  • Oxy-fuel welding and cutting - Wikipedia

    A cutting torch head is used to cut materials. It is similar to a welding torch, but can be identified by the oxygen blast trigger or lever. When cutting, the metal is first heated by the flame until it is cherry red. Once this temperature is attained, oxygen is supplied to the heated parts by pressing the oxygen-blast trigger.

  • Nitrogen vs. Oxygen: Which Should You Use to Cut Steel ...

    Nov 26, 2012 · With higher power resonators this thickness can be cut draws free. If you want to try a couple of things that might help, try bringing the cutting gas pressure much lower than typical, maybe as low as 4 bar. Also, burying the focus 1 or 2 mm below the bottom of the material can help.

  • Portable Gas Cutting Machines - Semi-automated Oxy-fuel ...

    Being one of the leading manufacturers and suppliers of Portable Gas Cutting Machines, we ensure that the quality product is delivered to the customers.These products are suitable to cut different material such as iron, steel, mild steel and many others.

  • Safety in gas welding, cutting and similar processes

    Safety in gas welding, cutting and similar processes Page 4 of 11 Explosion when cutting up or repairing tanks, drums and tyres Figure 2 Cutting up scrap If a welding blowpipe or burner is used on a tank or drum containing flammable material (solid, liquid or vapour), it can explode. Such explosions have killed people.

  • What can you do with a laser cutting machine?

    These dents and holes are essentially cuts, and you’ll often see a cutting laser machine also being used for drilling and engraving too. A vast range of materials and thickness sizes can be cut with lasers, making it a handy and adaptable process.

  • ENG723 Basic gas - dtwd.wa.gov.au

    Gas Welding & and Cutting. 1. Chapter 1 – Oxygen-fuel gas plant safety. Introduction. Gas welding has been around for many years and when it is carried out by a skilled operator, it can be useful in welding a wide range of materials. It has, however, been largely superseded by more modern welding methods yet it remains a desirable base

  • Cutting Processes - Application of Oxyfuel Cutting - TWI

    a jet of oxygen to react with the material to be cut and at a flow rate sufficient to blow away the slag; Each torch should be fitted with the appropriate nozzle for the type of fuel gas. Nozzles can be of a one- or two-piece design. The nozzle type will depend on: fuel gas; manual or machine operation; manufacturer's preference

  • What kind of material can a gas cutting machine cut?

    These products are suitable to cut different material such as iron, steel, mild steel and many others. Portable Gas Cutting Machines provides 40% Higher Productivity than Conventional Machine. They are quality tested on varied parameters before delivery to the customers.

  • Gas-Cutting: Process, Techniques and Advantages | Welding

    1. Gas Cutting Torch: A specially designed gas cutting torch is shown in Fig. 7.43. The tip of the cutting torch has a larger centre opening from which a jet of oxygen comes to cut the metal. This central opening surrounded by a set of orifices (generally four) which supply the oxygen-acetylene mixture for pre-heating.

  • Safety in gas welding, cutting and similar processes

    Safety in gas welding, cutting and similar processes Page 4 of 11 Explosion when cutting up or repairing tanks, drums and tyres Figure 2 Cutting up scrap If a welding blowpipe or burner is used on a tank or drum containing flammable material (solid, liquid or vapour), it can explode. Such explosions have killed people.

  • Laser cutting | TRUMPF

    During fusion cutting, nitrogen or argon are used as a cutting gas. This is driven through the kerf with a pressure between 2 and 20 bar, and unlike flame cutting, does not react with the metal surface in the kerf. This cutting procedure has the advantage that the cutting edges remain free of burrs or oxides, and reworking is barely required.

  • Can a gas cutting machine be used with a torch?

    This portable gas cutting machine can be used with one or two oxy-fuel torches, has a solid aluminum body and can perform straight line cutting, circle cutting, and bevel cutting. Performs high quality straight, circle and bevel cuts; single model includes 1 torch and 3 tips.

  • How does a steel cutting machine work in China?

    The steel cutting machines are powered by electricity and hydraulics. If the operators want to cut off one steel bar, they only need to flat the material under the incision and switch on the control. The material will be cut within three seconds. The completed steel bar’s incision by this steel cutter machine is very flat.

  • Oxyfuel Cutting - Process and Fuel Gases - TWI

    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 oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0.5mm to 250mm, the equipment is low cost and can be used manually or mechanised.

  • Top 10 Fabric Cutting Machines (March 2021) : Reviews ...

    This is an electronic cutting machine that can be used on a large variety of materials, even including such things as vinyl, paper, or fabric. It has a sleek look to it, which makes it perfect for rolling in items up to 12 inches wide and 10 feet long. A 12” x 12” cutting mat is included, and it comes with a built-in touchscreen. Performance:

  • GAS CUTTING - GlobalSecurity.org

    GAS CUTTING The common methods used in cutting metal are ... torch, you can keep the cut within close tolerances; ... Pure acetylene is self-explosive if stored in the free state under a pressure ...

  • Gas-Cutting: Process, Techniques and Advantages | Welding

    The process consists of preheating the metal to be cut to its ignition (oxidation) temperature, i.e., above 870°C in case of steel. The preheating is done by oxy-acetylene gas flame, which is supplied from surrounding openings of the cutting torch. When this temperature is attained, a jet of high pressure oxygen from a central opening of the cutting torch is directed on the red hot metal.

  • Oxyfuel Cutting - Process and Fuel Gases - TWI

    Contact Us 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.

  • Robust gas pipe cutter machine For Top Precision - Alibaba.com

    About product and suppliers: 2,448 gas pipe cutter machine products are offered for sale by suppliers on Alibaba.com, of which laser cutting machines accounts for 1%. A wide variety of gas pipe cutter machine options are available to you, such as 1 year, 3 years, and 2 years. You can also choose from united states gas pipe cutter machine, as ...

  • Cut Cost Calculation - DiVA portal

    chars the edges of the material being cut. Sandwich materials are being used more extensively in industry and, with large differences in melting points, a non-thermal cutting process is the only alternative. Another important advantage of this process is that high quality cut edges are produced which require no subsequent edge finishing operations.

  • Top 10 Fabric Cutting Machines (March 2021) : Reviews ...

    No real features or added accessories. Verdict: This is the best fabric cutting machine for you if you’re looking for a quality machine that can cut fabric and other materials, while allowing you to do it with ease. Priced at about $150, this is a fantastic option for a person who wants precise cuts made easy.