BORING CONTROL METHOD

PROBLEM TO BE SOLVED: To provide a boring control method for boring a deep hole, while minimizing machining time and the number of steps of a machine tool. SOLUTION: This boring control method for the machine tool bores the deep hole from a reference point R of a Z-axis direction desired by a workpi...

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Bibliographische Detailangaben
Hauptverfasser:	MAKIYAMA TADASHI, AMAKO TOSHIHIKO, KUROKAWA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BORING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a boring control method for boring a deep hole, while minimizing machining time and the number of steps of a machine tool. SOLUTION: This boring control method for the machine tool bores the deep hole from a reference point R of a Z-axis direction desired by a workpiece up to a hole bottom Zf, while normally detecting load torque of the tool by using a torque detection means. The boring control method including: continuing the boring till the load torque exceeds a prescribed torque limit value fixed in advance in each step Sn; performing a boring condition constituted of the number S of rotation of a main shaft to be rotational speed of the tool and feed speed F of the tool under a fixed boring condition constituted of prescribed patterns; and providing a condition in which the whole number:f of the steps does not exceed the limit number:N of steps fixed in advance, in the boring process, is secured. COPYRIGHT: (C)2004,JPO