PRODUCTION OF WIDE WIDTH SHAPES

PROBLEM TO BE SOLVED: To efficiently remove an imitation part by stripping/removing an imitation part of a hollow material in a band state during extruding. SOLUTION: A molten aluminum (alloy) is supplied to an extrusion machine 4, a hollow material 1B is extruded from a port hole die 4a of the extr...

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Bibliographische Detailangaben
Hauptverfasser:	WADOKORO SABURO, MICHISAKA KOUZOU
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL COMBINED OPERATIONS MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To efficiently remove an imitation part by stripping/removing an imitation part of a hollow material in a band state during extruding. SOLUTION: A molten aluminum (alloy) is supplied to an extrusion machine 4, a hollow material 1B is extruded from a port hole die 4a of the extrusion machine 4. A start end of an imitation part 2 of the hollow material 1B is clamped to a coiling shaft 5a of a coiling machine 5, the imitation part 2 is continuously stripped in a band state from the hollow material 1B during extruding. A boundary part between a main body part 10 of the hollow material 1B and the imitation part 2 is made to thin by a groove, cutting is easy. At a stage the hollow material 1B is soft while maintaining high temp., because the imitation part 2 is stripped, the imitation part 2 is automatically and efficiently stripped from the main body part 10, a strain is not caused to the main body 10 by stripping.