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Oxy-acetylene Welding Equipment Pdf Download

 
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MessagePosté le: Mer 26 Oct - 20:22 (2016)    Sujet du message: Oxy-acetylene Welding Equipment Pdf Download Répondre en citant




Oxy-acetylene Welding Equipment Pdf Download > shorl.com/gratikagelymi







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On,,,,an,,,,oxyacetylene,,,,torch,,,,system,,,,there,,,,will,,,,be,,,,three,,,,types,,,,of,,,,valves,,,,,the,,,,tank,,,,valve,,,,,the,,,,regulator,,,,valve,,,,,and,,,,the,,,,torch,,,,valve.,,,,In,,,,oxy-fuel,,,,cutting,,,,,a,,,,torch,,,,is,,,,used,,,,to,,,,heat,,,,metal,,,,to,,,,its,,,,kindling,,,,temperature.,,,,Apparatus[edit].,,,,When,,,,cutting,,,,,the,,,,metal,,,,is,,,,first,,,,heated,,,,by,,,,the,,,,flame,,,,until,,,,it,,,,is,,,,cherry,,,,red.,,,,This,,,is,,,used,,,where,,,acetylene,,,cylinders,,,are,,,not,,,available.,,,Cutting,,,,is,,,,initiated,,,,by,,,,heating,,,,the,,,,edge,,,,or,,,,leading,,,,face,,,,(as,,,,in,,,,cutting,,,,shapes,,,,such,,,,as,,,,round,,,,rod),,,,of,,,,the,,,,steel,,,,to,,,,the,,,,ignition,,,,temperature,,,,(approximately,,,,bright,,,,cherry,,,,red,,,,heat),,,,using,,,,the,,,,pre-heat,,,,jets,,,,only,,,,,then,,,,using,,,,the,,,,separate,,,,cutting,,,,oxygen,,,,valve,,,,to,,,,release,,,,the,,,,oxygen,,,,from,,,,the,,,,central,,,,jet.[5],,,,The,,,,oxygen,,,,chemically,,,,combines,,,,with,,,,the,,,,iron,,,,in,,,,the,,,,ferrous,,,,material,,,,to,,,,oxidize,,,,the,,,,iron,,,,quickly,,,,into,,,,molten,,,,iron,,,,oxide,,,,,producing,,,,the,,,,cut.,,,,The,,same,,equipment,,can,,be,,used,,for,,oxyacetylene,,blowtorches,,and,,welding,,torches,,,by,,exchanging,,the,,part,,of,,the,,torch,,in,,front,,of,,the,,torch,,valves.,,This,,,,is,,,,similar,,,,to,,,,the,,,,first,,,,stage,,,,of,,,,a,,,,scuba-diving,,,,regulator.,,,,Oxy-acetylene,,,,can,,,,cut,,,,only,,,,low-,,,,to,,,,medium-carbon,,,,steels,,,,and,,,,wrought,,,,iron.,,,,^,,a,,b,,c,,d,,e,,f,,g,,h,,i,,The,,Oxy-Acetylene,,Handbook,,,Union,,Carbide,,Corp,,1975,,^,,a,,b,,Fundamentals,,of,,Professional,,Welding,,^,,"Safety,,in,,gas,,welding,,,cutting,,and,,similar,,processes",,(pdf).,,

In,,,,oxy-fuel,,,,cutting,,,,,oxidation,,,,of,,,,the,,,,metal,,,,being,,,,cut,,,,(typically,,,,iron),,,,produces,,,,nearly,,,,all,,,,of,,,,the,,,,heat,,,,required,,,,to,,,,"burn",,,,through,,,,the,,,,workpiece.,,,,At,,,that,,,point,,,,the,,,acetylene,,,is,,,being,,,completely,,,burned,,,in,,,the,,,welding,,,oxygen,,,and,,,surrounding,,,air.[5],,,The,,,flame,,,is,,,chemically,,,neutral.,,,Welding,,torch[edit].,,As,,,the,,,metal,,,burns,,,,it,,,immediately,,,turns,,,to,,,liquid,,,iron,,,oxide,,,and,,,flows,,,away,,,from,,,the,,,cutting,,,zone.,,,Chapter,,,,2,,,,Lead,,,,Burning,,,,,6-12.,,,,p.15-52.,,,In,,,,the,,,,automotive,,,,body,,,,collision,,,,industry,,,,before,,,,the,,,,1980s,,,,,oxyacetylene,,,,gas,,,,torch,,,,welding,,,,was,,,,seldom,,,,used,,,,to,,,,weld,,,,sheetmetal,,,,,since,,,,warpage,,,,was,,,,a,,,,byproduct,,,,besides,,,,the,,,,excess,,,,heat.,,,,in,,,automotive,,,repair,,,,removing,,,a,,,seized,,,bolt.,,,US,,practice,,is,,to,,fit,,both,,at,,the,,regulator.,,^,,,,Basic,,,,Mech,,,,Engg,3E,,,,Tnc,,,,Syllb.,,,,

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