METHOD FOR COOLING ALUMINUM ALLOY EXTRUDED MATERIAL

PROBLEM TO BE SOLVED: To reduce a producing cost of an extruded material so as to be possible to realize high cooling speed without needing an expensive cooling control device, in a cooling method when an aluminum alloy is extrusion-pressed and quenched. SOLUTION: In the method for cooling the alumi...

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Hauptverfasser:	KOBAYASHI TOSHIYUKI, MEKI TOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a producing cost of an extruded material so as to be possible to realize high cooling speed without needing an expensive cooling control device, in a cooling method when an aluminum alloy is extrusion-pressed and quenched. SOLUTION: In the method for cooling the aluminum alloy extruded material so as to perform the cooling for quenching to the extruded material 8 composed of the aluminum alloy heated and extrusion-formed, plural kinds of working fluids having different latent heats of vaporization, are separately blasted to the extruded material 8 in plurality of ranges to cool this extruded material 8. COPYRIGHT: (C)2003,JPO