METHOD AND APPARATUS TO MILL DEEP SLOTS IN WORKPIECES FOR PRODUCING FORKED ROOTS OF TURBINE BLADES

PURPOSE: A production method and a production device of a forked root in a turbine blade are provided to mill deep slots in short time to make many parallel walls in a workpiece. CONSTITUTION: A milling tool(15) having many disk milling cutters(21a,21b,21c,21d,21e) is arranged on a common shaft(22)....

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Bibliographische Detailangaben
1. Verfasser:	WETLI MARKUS
Format:	Patent
Sprache:	eng ; kor
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:	PURPOSE: A production method and a production device of a forked root in a turbine blade are provided to mill deep slots in short time to make many parallel walls in a workpiece. CONSTITUTION: A milling tool(15) having many disk milling cutters(21a,21b,21c,21d,21e) is arranged on a common shaft(22). The milling cutters have many light metal cutter inserts(27,28a,28b,29a,29b,31a,31b). The milling cutters are combined with a forked root(2). The opening of slots in a roughing-in process and the smoothing finishing of walls in a smoothing operation are performed at the same time by the disk milling cutters. Thereby, the processing time is reduced.