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《机械制造》1986年11期的小诀窍拦目中,介绍了一种巧测奇数孔心圆直径的方法,看后想提出下列新法: 为了节省圆柱销的配制和测量过程中的不便,建议改用游标卡尺直接测量(当孔径很小时,不能用游标卡尺测量,则此法就不能用)相邻两奇数孔之间的距离l,然后将测量结果代入D=(l+d)K式进行运算,即可得到相同的结果。式中:K=1/sin(180°/Z),K值同前文,其数值见
In the “Machine Building” 1986 Issue 11 Tips, a method of ingeniously counting the odd number of hole diameters is introduced. After reading it, I would like to propose the following new method: In order to save inconvenience in the preparation and measurement of the cylinder pins, it is suggested to use Vernier caliper direct measurement (when the aperture is small, can not be measured with a vernier caliper, this method can not be used) between the adjacent two odd holes distance l, and then the measurement results into D = (l + d) K-type operation, that is The same result is obtained. Where: K = 1 / sin (180 ° / Z), K value with the previous, the value of see