METHOD AND DEVICE FOR PRODUCING BOTTOMED CYLINDRICAL MEMBER

PROBLEM TO BE SOLVED: To provide a method and device for producing a bottomed cylindrical member capable of forming an edge part of a cylinder part into a flat shape without removing the edge part of the cylinder part after shaping the bottomed cylindrical member.SOLUTION: In a method for producing...

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Hauptverfasser:	KOBAYASHI HIROSHI, NISHIUCHI ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method and device for producing a bottomed cylindrical member capable of forming an edge part of a cylinder part into a flat shape without removing the edge part of the cylinder part after shaping the bottomed cylindrical member.SOLUTION: In a method for producing a bottomed cylindrical member 23 which shapes a disc-like member 21 having in-plane anisotropy in extensibility with respect to pressure into a bottomed cylindrical form by a plurality of drawing processes, at least one of the plurality of drawing processes performs drawing by using a die 321 having a die hole 320 formed by setting an inner diameter din a first direction 21a high in extensibility of the disc-like member 21 and an inner diameter din a second direction 21b orthogonal to the first direction 21a smaller than inner diameters d, din the other directions, and a cylindrical punch 322.