NUMERICALLY-CONTROLLED MACHINE TOOL AND SPINDLE ERROR COMPENSATING METHOD THEREOF
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机译：数控机床及其主轴误差补偿方法
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摘要
A spindle error measurement jig is attached to a spindle of a numerically-controlled machine tool. A probe capable of measurement in a moving axis direction of each axis of the machine tool is installed on a table. By means of driving-control of a linear shaft driving the table and a linear shaft elevating a spindle head, spindle error measurement is made by measuring a spindle center position measurement hole and a spindle angular deviation measurement end-face so as to make spindle error calculation. On the basis of the calculation result, an angular deviation and a spindle error compensation amount are acquired, and they are used as parameters for compensating relative movement amounts of the table and the spindle so as to correct the spindle error.
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