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到目前为止,没有可供测量孔的轴心线对其内底平面垂直度的通用量具。因此,对于方立柱式钻床主要零件之一的主轴套两端孔轴心线对其内底平面垂直度的测量,一直是制造厂家计量检测方面的难题。有的单位把这项要求改为孔的内表面对轴心线的圆跳动和孔的内底平面对轴心线的端面跳动两项要求,这样虽然达到了能够测量的目的,但其含义与原要求不尽相同,且误差较大。为此,我们设计了一个专用装置,借助百分表对上述要求可以直接测量,取得了满意的效果。现简述如下:
So far there is no universal gauge for measuring the perpendicularity of the axis of the hole to the plane of its inner bottom. Therefore, for the square column drilling machine one of the main parts of the spindle sleeve shaft bore centerline perpendicular to the plane at the bottom of its measurement, has been the manufacturer measurement testing problems. Some units changed the requirement to the inner surface of the hole on the axis of the circle beating the hole and the inner plane of the hole on the end of the axis of the heart beating two requirements, although this has been able to measure the purpose, but its meaning and The original requirements are not the same, and the error is larger. To this end, we have designed a special device, with the dial indicator on the above requirements can be measured directly, and achieved satisfactory results. Are summarized as follows: