在一个新产品的试制过程中,我们遇到了垂直度误差要求较高的测量问题,该产品的主要零件,其相邻两面的垂直度误差在50mm长度上为0.008mm,为确保零件达到这个技术要求,在厂装设计时就需考虑精度储备,因此对模具中的“矩形定位块”提出了更高的垂直度要求,其值为0.002mm。 在平面磨床上加工时,以万能平口钳夹持工件,角度可任意调整,但是测量精度要求这么高的垂直度误差,困难很大。后来我们采用读数精 During the trial production of a new product, we encountered a measurement problem with high verticality error. The major part of the product had a verticality error of 0.008mm on two adjacent sides of 50mm. In order to ensure that the part achieves this technology Requirements, the factory installed design to consider the accuracy of reserves, so the mold of the “rectangular positioning block” put forward a higher degree of verticality requirements, the value of 0.002mm. When machining in a surface grinding machine, the workpiece can be clamped by a universal flat-nose pliers. The angle can be adjusted arbitrarily, but the measurement accuracy requires such a high degree of verticality error, which is very difficult. Later we used reading fine