CUTTING DEVICE AND SHEET MATERIAL MANUFACTURING METHOD

A lower die (10) has a first lower-die edge (11) extending along the outline shape of a sheet material, and a plurality of second lower-die edges (12) disposed vertically below the first lower-die edge (11) and each extending in a direction traversing an offcut of a sheet base material that is left...

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Bibliographische Detailangaben
Hauptverfasser:	HORI, Yoshihiro, UEYAMA, Yasuyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A lower die (10) has a first lower-die edge (11) extending along the outline shape of a sheet material, and a plurality of second lower-die edges (12) disposed vertically below the first lower-die edge (11) and each extending in a direction traversing an offcut of a sheet base material that is left behind after the sheet material is punched out. An upper die (20) has a first upper-die edge (21) which extends along the first lower-die edge (11) and between which and the first lower-die edge (11) the sheet base material is shorn to punch out the sheet material, and a plurality of second upper-die edges (22) which is provided so as to be protrusible to vertically below the second lower-die edges (12) and between which and the second lower-die edges (12) the offcut is shorn and divided.