电火花合金化中表层形成过程规律的研究

O. Bohdanov, V. Kozechko
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引用次数: 0

摘要

目的。40X钢零件不同电极类型电火花合金化工艺合理参数的确定在客户工厂使用Mora Primus 564坐标测量机测量涂敷层厚度。在修复零件时,对生产过程中使用电火花合金化加工方式提出建议。研究方法是基于有效的金属表面处理方法和电火花处理获得改性层的技术。测量的基础是理论计量学对测量仪器的误差建模、仪器仪表的理论原理和机械工程技术。测量过程中使用Mora Primus 564坐标测量机。研究的结果。电火花合金化是金属加工中最常用的技术之一,具有精度高、生产率高的特点。此外,提供了涂敷层与基材的高附着力,工艺本身易于进行工艺操作,能耗低。分析了加工过程中影响表面层质量的主要因素。对40X钢试样的电火花合金化过程进行了实验研究。在实验过程中,采用了现代控制和测量设备和测量方法。科学的新奇。首次确定了40X钢零件钒、钛、钨电火花合金化的合理模式。建立了不同电极材料处理方式对外加层厚度的依赖性。对40X钢的合金化方式提出了建议。现实意义。在生产条件下对40X钢试样进行了电火花合金化实验研究,揭示了表面层形成的基本规律,提出了获得一定厚度镀层的建议。这将恢复零件磨损的表面或加强新的。
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Research of the regularities of the processes of formation of the surface layer in electric spark alloying
Purpose. Determination of rational parameters of the process of electrospark alloying of 40X steel parts with different types of electrodes. Measurement of the applied layer thickness using the Mora Primus 564 coordinate measuring machine at the customer's plant. To give recommendations on the use of electrospark alloying processing modes in the production process when restoring parts. Research methods are based on effective methods of treatment of metal surfaces and technology of obtaining modified layers by electrospark treatment. Measurements were based on theoretical metrology in modeling instrumental errors of measuring instruments, theoretical principles of instrumentation and mechanical engineering technology. The Mora Primus 564 coordinate measuring machine was used during the measurements. Research results. Electrospark alloying is one of the most common technologies for working with metal, which is characterized by high accuracy and productivity. In addition, high adhesion strength of the applied layer with the base material is provided, and the process itself is easy to perform technological operations and has low energy consumption. The analysis of the main factors influencing the quality of the surface layer during processing is carried out. The process of electrospark alloying of a 40X steel sample was investigated experimentally. During the experiments, modern control and measuring equipment and measurement methods were used. Scientific novelty. For the first time, rational modes of electrospark alloying with vanadium, titanium and tungsten of 40X steel parts have been determined. The dependence of the thickness of the applied layer on the modes of treatment with different electrode material is established. Recommendations for alloying modes in the production process for 40X steel are given. Practical meaning. The experimental researches on electrospark alloying of the 40X steel sample carried out in the production conditions allowed to reveal the basic regularities of the formation of the surface layer and to formulate recommendations for obtaining a coating of a certain thickness. This will restore the worn surface of the part or strengthen the new one.
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