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中文摘要：
运用Hertz理论、相似原理及能量守恒理论，用简单冲击粉碎试验装置对冲击物料过程进行分析。结果表明，冲击物料是弹塑性形变过程，冲击力模型的理论值更符合实际值，理论值与实际值误差为10％左右。冲击力大小受冲击势能和钢球直径的影响，冲击势能与冲击力不呈正比关系；冲击应力和粉磨效果主要受冲击势能影响；等冲击势能作用下，冲击应力相等，粉磨效果也相等。
英文摘要：
The process of grinding ball impacting the charge in a simple lab mill was analyzed by using Hertz theory, similarity principle and energy conservation theory. The analysis results showed that the impacting process was an elastic-plastic deformation process and the theoretical impact value approached to the actual one with error of 10%. The impact varied with the impacting potential energy and the diameter of the grinding ball, and the impacting potential energy was not proportional to the impact; the impact stress and the grinding effects were mainly determined by the impacting potential same impact stress and the same grinding effects. energy; equal impacting potential energy brought about the
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