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3 对n的分析 影响n的参数过多,无法作全面地分析,仅选择其中几项主要项目分别阐述如下:3.1 n、k和t三者之间的关系和范围 关于n、k和t三者之间的关系,笔者曾求得;n1∝/InK、n∝1/Int和k∝t,但三者应在一定范围之内才能成立,否则上述关系就不存在了。 既然n可表达粉磨作业的优劣程度,当Qt下降速度较快时,粉磨效率上升,n值也要上升,反之将要下降;从式（1）可知;当Q(?)/Qt为任意已知值时,tn与k成反比,当k上升后,tn下降,根据上述关系,n应下降,t应上升;要tn下降,t和n的升降幅度应有所限制,方能保持上述关系。 tn下降前后分别用角注a和b加以区别,即tnaa
3 The analysis of n affects too many parameters of n and can not be comprehensively analyzed. Only a few of the major items are selected as follows: 3.1 Relationship and Range of n, k and t The relations between n, k and t The relationship between the author, I have obtained; n1α / InK, nα1 / Int and kαt, but the three should be established within a certain range, or the above relationship does not exist. Since n can express the merits and demerits of the grinding operation, when the Qt declines rapidly, the grinding efficiency increases, the n value also increases, but on the contrary will decline; From equation (1), it can be seen that when Q (?) / Qt is Any known value, tn and k are inversely proportional to, when k rises, tn down, according to the above relationship, n should be decreased, t should rise; to tn down, t and n rise and fall should be limited in order to maintain The above relationship. tn down before and after the corner note a and b to be distinguished, that tnaa