DEEP GROOVE MILLING METHOD AND MILLING TOOL

PROBLEM TO BE SOLVED: To supply a milling method to form a multiple number of walls parallel one another in a deep groove of a member in a shortened machining time. SOLUTION: First of all, exterior surfaces 12 and 14 of a turbine blade are rough machined and accurately finished in the first step in...

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Bibliographische Detailangaben
1. Verfasser:	WETLI MARKUS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR MILLING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS PUNCHING METAL STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To supply a milling method to form a multiple number of walls parallel one another in a deep groove of a member in a shortened machining time. SOLUTION: First of all, exterior surfaces 12 and 14 of a turbine blade are rough machined and accurately finished in the first step in one process by two fixed and combined disc-like milling-cutters to manufacture a branch leg 2 of the turbine blade. The disc-like milling-cutters are provided with insert hard metallic cutters. A finger part of the branch leg 2 is manufactured in the second step where all the grooves are simultaneously formed (roughed) and accurately finished by a set of fixed and combined disc-like milling-cutter 21 that has insert hard metallic cutters 27, 28a, 28b, 29a, 29b, 31a and 31b. COPYRIGHT: (C)2004,JPO