接触探测工件的测量技术问题常常是不能令人满意的,或者问题根本未解决。首先由于测力使工件表面出现不允许的变形或损伤,其次在某些情况下,工件用机械方法接触不到,或由于其他原因而使接触探测成为不可能。在此使人想起下述一些情况:在制造中采用接触测量时,测量设备和工件之间有时会出现相对运 Measuring technical problems with contact probing workpieces are often unsatisfactory or problems are not solved at all. Firstly, imperfections or damages on the surface of the workpiece occur due to force measurement, and secondly, in some cases, the workpiece can not be touched by mechanical means or contact probing becomes impossible due to other reasons. This is reminiscent of the following situations: When using contact measurement in manufacturing, there is sometimes a relative movement between the measuring equipment and the workpiece