Experimental analysis of work regenerative chatter in plunge grinding.
Experimental analysis of work regenerative chatter in plunge grinding.
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切入磨削加工再生颤振实验分析
DOI：
10.2493/jjspe1933.51.2296
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发表时间：
1985
影响因子：
--
通讯作者：
Motoharu Sato
中科院分区：
文献类型：
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作者：
T. Matsubara;H. Mizumoto;H. Yamamoto;Motoharu Sato
本文的主要目的是确保前面提出的理论分析在各种实际磨削条件下是有效的。通过对结构刚度、磨削宽度、切入速度、砂轮等级、修整条件等磨削变量的分析，在实验中有系统地变化。作为结果，得到以下结论。从实验稳定性与理论预期的良好一致性来看，理论分析的有效性是显而易见的。磨削宽度对稳定性的影响在较小的范围内是显著的，而较大的磨削宽度对稳定性的影响不大。传统理论不能解释这一现象，而引入动态磨削力的理论能很好地解释这一现象。结构刚度对颤振的稳定有一定的作用，但在较大的磨削宽度下，结构刚度对颤振的稳定作用不大。结构阻尼对稳定颤振一直有很大的作用。增大压入速度可以提高稳定性，工作直径也有同样的效果。车轮的等级对稳定颤振有相当大的影响。软砂轮提高了稳定性，而砂轮的晶粒尺寸对其影响不大。
Tomio MATSUBARA, Hiroshi MIZUMOTO, Hisataka YAMAMOTO and Motoharu SATO The main purpose of this paper is to make sure that the theoretical analysis presented previously is valid under the various practical grinding conditions. A number of grinding variables such as structural stiffness, grinding width, plunge velocity, wheel grade, dressing condition etc., are systematically varied in the experiments. As the results the following conclusions are obtained. From the good agreement of the experimental stability with that expected by the theory, the validity of the theoretical analysis is obvious. The grinding width has a considerable effect on the stability when its magnitude is relatively small, while the wider grinding width does no have so much effect. This phenomena can not be explained by the conventional theory while the given theory including the dynamic grinding force can successfully do that. The structural stiffness has an effect on stabilizing the chatter but it is not so great at relatively large grinding width. The structural damping has consistently great effect on stabilizing the chatter. To increase the plunge velocity increases the stability and the work diameter has also same effect. The grade of the wheel has considerable effect on stabilizing the chatter. The soft wheel increases the stability while the grain size of the wheel has little effect.