STEPPED DRILL

PROBLEM TO BE SOLVED: To solve the problem that the inner peripheral face of a recess is fractured by extended chips when a stepped hole is formed in the recess, because a rotational speed is low at the time of boring. SOLUTION: The tip of a tool body 1 is made as a small-diameter part 2 and its bas...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TACHIBANA MASATOSHI, ONO SHOHACHI
Format:	Patent
Sprache:	eng
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
Online-Zugang:	Volltext bestellen
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