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盘盖类零件和箱体件的同轴度问题,长期来一直是生产中难以解决的测量难题,目前也没有可用于这方面测量的专门仪器。无锡某厂根据同轴度的基本定义和测量原理,研制成能用于生产现场测量同轴度的仪器,它对提高产品质量,减少废品和返修工时损失,有积极作用和推广价值。该原理也可适用于箱体件的同轴度测量。现将有关原理和仪器介绍如下。一、基本概念 1.同轴度误差的定义被测实际要素对一具有确定位置理想要素的变动量φf,是该零件被测实际要素的同轴度误差值。如图1所示。盘盖类零件的基准要素和被测要素都有可能或是
The problem of the coaxiality of the disk cover parts and the box parts has long been a difficult measurement problem in production. At present, there are no special instruments that can be used for this measurement. According to the basic definition and measurement principle of a factory in Wuxi, a factory in Wuxi has developed an instrument that can be used to measure coaxiality in the production site. It has a positive effect and promotion value on improving product quality, reducing waste and rework time loss. This principle can also be applied to the measurement of coaxiality of box parts. The principle and equipment are introduced below. First, the basic concepts 1. The definition of concentricity error Measured by the actual elements of a determination of the location of the ideal changes in the amount of element, is the component measured the actual element of the coaxial error. As shown in Figure 1. Disk cover parts of the reference elements and the measured elements are possible or