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  • 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 …

  • Laser Cutting Materials - A Proper Guide (Lists) | Maker ...

    Sep 12, 2019 · Serious Note: Never laser cut anything without doing extensive research on the material first, as some materials (especially plastics) can release harmful gasses. Laser Cutter Power and Speed. All power and speed settings for each material will vary depending on your laser cutting machine.

  • A Guide to Laser Cutting and the CNC Laser Cutting Machine

    2 days ago · A CNC laser cutting machine cutting designs into a metal sheet. Image credit: Andrey Armyagov/Shutterstock.com. Laser cutting is a fabrication process which employs a focused, high-powered laser beam to cut material into custom shapes and designs. This process is suitable for a wide range of materials, including metal, plastic, wood, gemstone, glass, and paper, and can produce …

  • Metal Cutting Methods - The Engineering Concepts

    Nov 15, 2018 · Lathe – Using a sharpened cutting tool against a rapidly spinning piece of material, a lathe will cut a piece of metal to its desired shape. This machine is very common in the machining industry because it allows for a higher degree of precision. Punch – This machine uses an extreme amount of pressure to force sharpened blades into or ...

  • What Materials Can Be Cut by Laser? | MachineMfg

    May 26, 2021 · Depending on the rough surface quality of the cutting surface, you can use oxygen or nitrogen as the processing gas, mainly depending on your requirements for the smoothness of the cutting surface. However, because aluminum is highly reflective, a special device should be installed when cutting aluminum to absorb the heat reflection of aluminum in order to prevent damage to optical …

  • Plasma cutting - Function, advantages and disadvantages

    Jun 25, 2019 · Plasma cutting is an effective way to cut thin and thick materials. Hand torches can usually cut up to 38 mm thick steel sheet, stronger computer controlled torches can cut up to 150 mm thick steel sheet. Since plasma cutters produce a very hot and very localised “cone” for cutting, they are very useful for cutting and welding sheets in curved or angled shapes.

  • Fiber Laser Cutting Metal Techniques | IPG Photonics

    Fiber lasers are rapidly replacing the CO 2 in the cutting arena with major cutting OEMs switching or already offering fiber based cutting machines. These machines are available with fiber lasers from 2 to 6 kW offering the user the ability to cut both sheet metal as well as plate on the same machine base.

  • Oxy-Fuel Torch Tip/Nozzle Design and Selection

    Part 1 of a 2 part series. When designing or selecting an oxy-fuel machine torch cutting nozzle/tip one must consider several factors. The following are several, but not all, items to be considered 1) thickness of the steel to be cut, 2) type cutting bore (cylindrical bore or high speed/divergent bore), 3) preheat gas to be used, 4) type cutting to be conducted (shape cutting, bevel cutting ...

  • NEVER CUT THESE MATERIALS - Cpl

    Very thin polycarbonate can be cut, but tends to discolor badly. Extremely thin sheets (0.5mm and less) may cut with yellowed/discolored edges. Polycarbonate absorbs IR strongly, and is a poor material to use in the laser cutter. Delrin comes in a number of shore strengths (hardness) and the harder Delrin tends to work better. Great for gears!

  • GAS CUTTING - GlobalSecurity.org

    GAS CUTTING The common methods used in cutting metal are oxygas flame cutting, air carbon-arc cutting, and plasma-arc cutting. The method used depends on the

  • Materials not suited for laser processing

    Materials you should not process with a laser machine. Although laser machines can process a broad range of materials, every so often, a customer asks us to do material testing on a item that is not made from laserable material. Certain types of material should not be engraved or laser with a laser because of their chemical make-up.

  • Oxygen Cutting of Metals: 5 Processes | Metallurgy

    The quality of cut is inferior to that achieved in oxy-fuel gas cutting of mild steel. Materials with thickness of 5 mm to 100 mm can be cut with this process; the cutting speed depends upon the thickness of the material. Table 19.2 gives the data for oxygen-arc cutting of mild steel.

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

    Equipments for Gas-Cutting: The equipments used for Gas-cutting is similar to that of gas-welding except that the welding torch is replaced by a special designed cutting torch. These equipments are listed below: 1. Gas cutting torch. 2. Pressure regulators.

  • Guidelines for Gas Welding and Cutting - BOC

    12.0 Gas Cutting 40 13.0 Oxy-fuel Cutting Procedures 42 ... inspect for sparks and smouldering material before leaving the area. If something goes wrong Actions to be taken when fire is discovered Gas cylinders in a fire may explode. If cylinders ... based leak detection fluid as this can damage

  • Air cutting revisited - The Fabricator

    Mar 13, 2007 · Additionally, compressed air can be used as an assist gas with thicker material. The maximum thickness has increased for aluminum to 0.50 in. thick. Previously cutting 0.180-in. stainless steel and carbon steel with compressed air required a laser cutting machine with a 6,000-W resonator.

  • NEVER CUT THESE MATERIALS - Cpl

    A mix of two materials. Thin carbon fiber mat can be cut, with some fraying - but not when coated. Safe Materials The laser can cut or etch. The materials that the laser can cut materials like wood, paper, cork, and some kinds of plastics. Etching can be done on almost anything, wood, cardboard, aluminum, stainless steel, plastic,

  • The Difference Between Flame Cutting, Plasma Cutting and ...

    Feb 13, 2019 · With the right equipment and gas flows, steel several feet thick can be cut using the flame cutting process. Flame cutting also has low equipment costs. Flame cutting is at a disadvantage when it comes to material types that can be cut. Flame cutting is generally limited to carbon steel, low alloy steels, and cast irons. Most other types of materials will not be cut cleanly by the flame cutting …

  • Oxy-fuel cutting; the basics explained | HGG 3D Profiling

    Oxy-fuel cutting is a time consuming process, especially cutting thick walled materials. The shortest distance through the material is a cut perpendicular to the wall. 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 material …

  • Laser Metal Cutting Machine | Cut Steel Aluminium | SPI Lasers

    There are three types of cutting processes that you can use to cut metal with a laser; gas, crystal and fiber . Gas cutting is conducted with a carbon dioxide or nitrogen mixture, and crystal cutting, is conducted using nd:YAG (neodymium-doped yttrium aluminium garnet) and nd:YVO (neodymium-doped yttrium ortho-vanadate) crystals. These two processes have been around much longer than fiber-based cutting with a laser, and have a history dating back to the 1960s, whereas fiber laser …

  • Oxyfuel cutting very, very thick plate - The Fabricator

    Aug 27, 2018 · Gas settings and cutting parameters vary with the application. In years past operators spent their days adjusting gas flows at the panel based on the thickness and tip size. Today, however, automatic gas consoles make the necessary adjustments, all based on material thickness and the tip size in use. All gas …

  • What is cutting kerf? - ESAB Welding & Cutting

    When cutting parts on a CNC plasma or laser machine, you want to produce accurate cut parts, with final dimensions as close as possible to the programmed shape. So if you program a 6” by 6” square, and the plasma arc removes 0.200” of material, as it cuts, then the resulting part is going to be 5.8” by 5.8”.

  • The Difference Between Flame Cutting, Plasma Cutting and ...

    Feb 13, 2019 · Generally, plasma cutting is not a great choice for materials over a few inches thick. Plasma cutting can also only cut materials that can be part of its electrical circuit. Waterjet Cutting. Waterjet cutting is a mechanical cutting method that employs a high speed, high pressure stream of water to cut a material.

  • Plasma Arc Cutting Flashcards | Quizlet

    Air, nitrogen, oxygen, argon and argon mixtures, hydrogen and carbon dioxide. What gases and gas mixtures are used with plasma arc cutting? They use clean compressed air to cut carbon steel, stainless steel and aluminum up to about 3/16" thick. What gases are used in the simplest PAC units? One gas may be used for the pilot arc and for cutting ...

  • How the Laser Cutting Machine Process Works | SPI Lasers

    C02 laser cutting. C02 cutting is achieved using a gas laser. The gas in question is a carbon dioxide mixture which has been electrically stimulated. C02 cutting is most often used on non-metal materials as they have a wavelength of 10.6 micrometres.

  • The Dangers of Cutting Galvanized Steel | Hunker

    The zinc in galvanized steel can react with moisture from the scrap metal, creating a highly flammable stream of hydrogen that shoots out when the outer layer of galvanized steel is cut. Prevent an explosion from such a reaction by treating such cutting as if high-pressure gas is inside the compartment when you start cutting.

  • Oxyfuel cutting very, very thick plate - The Fabricator

    Aug 27, 2018 · Gas settings and cutting parameters vary with the application. In years past operators spent their days adjusting gas flows at the panel based on the thickness and tip size. Today, however, automatic gas consoles make the necessary adjustments, all based on material thickness and the tip size in use. All gas pressures are set automatically.

  • 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

  • OC 668/22: Plasma cutting: Control of fume, gases and noise

    Mechanised plasma cutting machines. 12 Mechanised plasma (profile) cutting machines employ a plasma torch to cut metal plate usually to profiles, ie shapes. The torch is mounted on a gantry and is moved in 2 horizontal axes over plate which is supported on a grid or bed. Machine motion is usually computer numerically controlled.

  • 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.

  • Oxy-fuel welding and cutting - Wikipedia

    Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline) and oxygen to weld or cut metals. French engineers Edmond …