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plasma cutting nozzle
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Plasma is a thermally high-heated, electrically conductive gas. That means that neutral atoms dissolve into ions and electrons by adding ionisation energy. This energy can be produced by very high temperatures or strong electric fields. Generally, plasma reacts like a gas with a neutral outside effect.plasma cutting is a thermal fusion cutting method which is realised with an electric arc constricted by a nozzle. The cutting process starts first with a pilot arc which is ignited between nozzle and electrode (cathode) by high voltage. The pilot arc has low energy and ionises partly the atoms between plasma torch and workpiece. As soon as the pilot arc touches the workpiece, the electric circuit closes and the main are is ignited by the increased power. The high thermal energy of the arc and the high kinetic energy of the plasma gas melt the material and the molten material is driven out of the kerf. The small heat affected zone and high cutting speeds are particularly huge advantages of this method.
B Type Gas Cutting Nozzle
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1 Piece(s) (MOQ)
Cutting Nozzle Type B is used to provide the preheating flames to raise the steel to ignition temperatures and direct the jet of oxygen onto the heated area to perform the cutting process. The industrial cutting nozzle gives better quality clean cutting with mirror smooth finish assuring stable gas flows and superior cutting oxygen stream. Features : This is two Piece Nozzle for Natural Gas/Propane Mixing Principal, Oxy/Natural Gas or propane 9-Sizes of Central holes are Available 2-Seat 45 Degree Cone It can be used for hand cutting or machine cutting operations.
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plasma cutting nozzle
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The orifice in a torch cutting nozzle is designed to constrict the arc to a specific diameter without the arc touching the nozzle. The plasma gas provides a thin boundary layer of cool gas between the arc and the nozzle. If the current level is to high or gas flow is to less the arc may contact the cutting nozzle causing a double arc which will damage the nozzle by increasing its diameter disproportionately. Thus proper constriction will not be achieved resulting in a poorly focused arc and a bad cut finish. If a nozzle is gouged on the inside or outside or if the hole is worn out of round it should be replaced--otherwise it may be reusable. When the nozzles wear out cut quality deteriorates . Gouges on the inside indicate that too high current or inadequate air flow was used. Touching the job , piercing or cutting too fast can damage the nozzle from the outside .
cutting nozzle
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The cutting nozzle type a is best suited for high velocity gases such as a oxy/acetylene gases. These lightweight gas cutting nozzles are manufactured of solid tellurium copper and contains preheat cones in order to promote better economy of gases. The use of oxy-acetylene facilitates high speed results in welding and enhances stability along with cutting efficiency.
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