| 摘要 |
A method for workpiece levelling includes mounting the workpiece in a machine tool, measuring the position of the workpiece in the mounting and determining a translatory offset xv, yv, zv and a rotatory offset λv, &bgr;v, &phgr;v of the factual workpiece mounting compared to the ideal mounting from the measurement results and from a workpiece data forming an initial data set related to the ideal mounting, wherein for obtaining another initial data set a plurality of surface points of the mounted workpiece are measured in their position xn, yn, zn in space, the data of one of the initial data sets are varied a plurality of times in accordance with plural translatory and rotatory displacements for obtaining a plurality of varied data sets, from the varied data sets and their base data set the one data set is determined that represents a surface with a lowest deviation measure compared to a surface represented by the other of the initial data sets, and the translatory offset xv, yv, zv and the rotatory offset λv, &bgr;v, &phgr;v is determined from the translatory and rotatory displacement of the determined data set. |
