幾何学的誤差のモデルを利用したマシニングセンタの精度検査

概要

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A new method which utilizes a geometric error model of a machine-tool structure is proposed for static accuracy test of a machining center. The model is based on a vector representation of machine-tool structural configuration, in which the geometric errors are represented by linear transformations between the vectors attached to each component of the structure. The model enables one to relate the geometric errors of each structural component to the resultant cutting point error and can be used to simulate the accuracy measurement test by a laser interferometer and a master-block. This simulation gives the way how to process the measured data to obtain the fundamental values which compose the cutting point error. The measured data on a horizontal type machining center are then processed according to the method to make clear the erroneous motion of the structural components and also to give the contour map representation of the cutting point error and its variance in the cubic work zone of the machining center.
公益社団法人精密工学会の論文
1985-05-05