CONTINUOUS BORING DEVICE

PROBLEM TO BE SOLVED: To provide a continuous boring device capable of performing boring work in high work position accuracy by eliminating influence of the deflection and a twist even in a thin or wide long sized material. SOLUTION: A punch 1 and a die 2 are provided above and below the long sized...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KANDA EIZABURO, KATOU TAKEHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CUTTING CUTTING-OUT ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HAND CUTTING TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORATING PERFORMING OPERATIONS PRINTED CIRCUITS PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a continuous boring device capable of performing boring work in high work position accuracy by eliminating influence of the deflection and a twist even in a thin or wide long sized material. SOLUTION: A punch 1 and a die 2 are provided above and below the long sized material A, and are mutually opposed by sandwiching the long sized material A so as not to hinder a vertical movement of the punch 1 and the die 2, and a vacuum-sucking plate 4 and a support plate 5 are respectively arranged so as to be movable in the vertical direction. The long size material A is flatly sucked to and held by the vacuum-sucking plate 4 while being sandwiched by the vacuum-sucking plate 4 and the support plate 5, and a hole is bored in the flatly held long sized material A by the punch 1 and the die 2.