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Machinability improvement of powder metallurgy steels

机译：粉末冶金钢的可加工性改进

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Powder metallurgy is one of the possible competitive options among those up-to-date replication technologies that are able to produce final shapes with no need for subsequent machining. However, there are some special geometries which require the subsequent machining of certain parts produced by powder metallurgy. These include grooves, threads and cross bores. The goal of the research discussed in this paper is to determine the effect of the material composition changes on the secondary machining properties of powder metallurgy steels (PMS). Varying the carbon and the copper content of the powder mix cutting force measurement was carried out during face grooving tests in turning. Using the ranking number of the measured characters, the machinability of samples was evaluated with each powder mixes. The optimal percentages of the copper and the carbon content were determined based on the results of the experimental measurements.
机译：粉末冶金是那些能够生产最终形状而无需后续加工的最新复制技术中可能的竞争选择之一。但是，有些特殊的几何形状需要对粉末冶金生产的某些零件进行后续加工。这些包括凹槽，螺纹和十字孔。本文讨论的研究目的是确定材料成分变化对粉末冶金钢（PMS）的二次加工性能的影响。在车削的端面开槽测试过程中，测量粉末混合料的碳和铜含量，以测量切削力。使用所测量字符的等级数，对每种粉末混合物评估样品的可加工性。根据实验测量结果确定铜的最佳百分比和碳含量。

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