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为了解决在大型车床上加工长台阶轴时测量轴向尺寸的困难,试制了圆光栅位移数字显示装置,经在C620车床上实验及调试结果证明,效果较好,该装置可在一般条件的生产车间中应用。圆光栅位移数字显示由圆光栅读数头和数字显示箱二个主要部分组成,其主要技术性能如下: 1.圆光栅盘:主光栅为10800线/周的经向辐射光栅,光栅区中径为φ80,栅线长10mm,玻璃基镀铬板,外径为φ100mm;指示光栅的特性同上,外径为φ15mm。 2.测量精度为±0.01mm/M。 3.最大显示值为±9999.99mm,位移
In order to solve the difficulty of measuring the axial dimension when machining a long step shaft on a large lathe, a trial production of a circular grating displacement digital display device was performed on the C620 lathe and the result of the debugging proved that the effect is good. The device can be manufactured under normal conditions Application in the workshop The circular grating displacement digital display consists of a circular grating readhead and a digital display box. Its main technical performance is as follows: 1. Circular grating disk: The main grating is 10800 lines / week of the radial radiation grating, grating area diameter φ80, gate length 10mm, glass-based chrome plate, the outer diameter of φ100mm; indicating the characteristics of the grating Ibid, the outer diameter of φ15mm. 2. Measurement accuracy of ± 0.01mm / M. 3. The maximum display value is ± 9999.99mm, displacement