HIGH PRECISION MACHINING METHOD AND HIGH PRECISION MACHINING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a high precision machining method capable of obtaining a high precision shape by measuring only a size of a machining load in a machining state.;SOLUTION: A method includes: executing a first pass machining while keeping constant a relative angle between a workpiece 1 and a tool 4; acquiring a measurement machining load value of each machining place in the first pass machining; comparing an ideal machining load value that is ideal in machining with the measurement machining load value acquired at the first pass machining; estimating a bending amount of the tool 4 at the first pass machining from a load ratio of the ideal machining load value and the measurement machining load value; deciding an ideal relative angle between the workpiece 1 and the tool 4 of each machining place to counterbalance the bending amount of tool 4; and executing a second pass machining by using an ideal relative angle between the workpiece 1 and the tool 4.;COPYRIGHT: (C)2013,JPO&INPIT