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本文讨论了估计砂轮上有效磨粒数的触针法。文中建议,錾形触针比具有由率半径的触针好。文中还建议,用砂轮表面面积表示的有效切削刃密度(C)来代替以砂轮表面单位长度表示的有效切削刃密度(C′),因为面积大小可以直接测量,而长度的大小必须由面积的大小推出来。文中断定,所测量的C的动态值比用描迹仪得到的数值大约小一个数量级,如果测量头具有小的曲率半径时尤其是如此。
This article discusses the stylus method of estimating the number of particles available on the grinding wheel. It is suggested in the paper that the 触-shaped stylus is better than the one with the radius of curvature. It is also proposed that the effective cutting edge density (C ’), expressed in terms of wheel surface area, be used instead of the effective cutting edge density (C’) expressed in terms of unit surface of the grinding wheel because the size of the area can be directly measured and the size of the length must be determined by the area The size of the launch. The paper concludes that the measured dynamic value of C is about an order of magnitude less than that obtained with a tracer, especially if the measuring head has a small radius of curvature.