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.
Oct 30, 2017 · Gas generation technologies take advantage of this difference to separate the nitrogen molecules and send them on to a laser cutting machine. Industrial applications accomplish this separation in two common ways. One way uses a membrane of permeable hollow fibers. Gas flows through hollow fibers and oxygen permeates outward through pores in the ...
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An oxygen cutting process in which the necessary cutting temperature is maintained by flames obtained from the combustion of city gas with oxygen. OXYGEN CUTTING: A process of cutting ferrous metals by means of the chemical action of oxygen on elements in the base metal at elevated temperatures.
The Flame Planer - Gas Cutting Machineis a large scale gas cutting machine suitable for the heaviest duties while maintaining the accuracy and fine precision movements of smaller machines. Time and labor saving high production efficiency is the key to the low production costs available with the FLAME PLANER.
Plasma cutting torches usually use a copper nozzle to constrict the gas stream with the arc flowing through it. That arc jumps from an electrode in the torch to something else – usually the conductive material being cut. That’s a ‘transferred arc’. There are some systems that use a ‘non-transferred’ arc where it jumps from the ...
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Code of Practice: Safety and Health at Work for Gas Welding and Flame Cutting . 1.2 Scope and application . 1.2.1 In this COP, gas welding and flame cutting refer to a welding or cutting operation with a flame produced by mixing a fuel gas and an oxidant gas in a blowpipe. The flame is hot enough to fuse the metal surfaces together for welding,
2 (Horticulture) a a method of vegetative propagation in which a part of a plant, such as a stem or leaf, is induced to form its own roots. b a part separated for this purpose. 3 (Also called (esp. U.S. and Canadian)) clipping an article, photograph, etc., cut from a newspaper or other publication.
May 01, 2018 · Constant gas pressure is important to maintaining the cutting arc. Excess gas pressure is a common cause of "hard starting," a situation in which the torch fails to initiate an arc when all other conditions for normal operation are correct. Too much gas pressure will also cause rapid deterioration of electrodes.
Jul 23, 2015 · Safety in Gas CuttingSafety in Gas Cutting.. If a Flash back does our;If a Flash back does our; Immediately close the cylinder valves, both theImmediately close the cylinder valves, both the fuel gas and oxygen , if it is safe to do so.fuel gas and oxygen , if it is safe to do so. If the fie cannot be put out at once, evacuate theIf the fie ...
Oct 20, 2017 · SAFETY IN GAS CUTTING: Keep the cylinder upright and away from hot jobs. Fix the DA and oxygen regulator to the respective cylinders after ensuring free from dirt or grease. Connect the cutting hoses to the regulators with hose clamps. Blue or black hoses for oxygen and red for DA.
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”.
Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. It is mostly used on metals, though other materials are increasingly important. It was developed from armor-decorating and printing etching ...
Cutting Thickness. 6 - 300mm MS by Gas cutting. Features: Highly robust and rigid mechanical structure. Excellent cut quality. Low operating costs. Advanced control system with touch-screen interface. Air conditioned control panel ensures high reliability of electronics even in harsh workshop conditions.
12.0 Gas Cutting 40 13.0 Oxy-fuel Cutting Procedures 42 13.1 Cutting Attachment Operation 42 13.2 Setting Up 43 13.3 Lighting Up 44 13.4 Closing Down 45 14.0 Oxy-acetylene Cutting Techniques 46 14.1 How it Works 46 15.0 Using the Cutting Assembly 48 16.0 Mild Steel Cutting 49 16.1 Thin Steel 49 16.2 Thick Steel 49