BURRING TAPPER MACHINE AND BURRING TAPPING METHOD

PROBLEM TO BE SOLVED: To provide a burring tapper machine capable of removing whisker-like burrs generated during the burring between the burring and the tapping. SOLUTION: The burring tapper machine comprises a burring punch 7 and a burring die 8 to burr a plate-like workpiece 10, and a tapping mea...

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Bibliographische Detailangaben
1. Verfasser:	IGARASHI MASAHARU
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINED OPERATIONS MACHINE TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING UNIVERSAL MACHINE TOOLS 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 burring tapper machine capable of removing whisker-like burrs generated during the burring between the burring and the tapping. SOLUTION: The burring tapper machine comprises a burring punch 7 and a burring die 8 to burr a plate-like workpiece 10, and a tapping means 20 to tap a burring part 10a of the burred workpiece 10. A chamfering tool 12 to chamfer the burring part 10a of the workpiece 10 is provided in the burring die 8 in a rotatable and elevating/lowering manner. By chamfering the burring part 10a by rotatably elevating the chamfering tool 12 after the burring, whisker-like burrs generated during the burring can be removed, and a step and the man hour of manually removing the whisker-like burrs after the burring-tapping can be omitted. COPYRIGHT: (C)2005,JPO&NCIPI