土壤切割部件磨料磨损摩擦过程的配对建模

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL
V. I. Myalenko
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引用次数: 0

摘要

在耕作机械工作的过程中,土壤切割部件会发生自然磨损,从而导致技术操作质量下降,因此在开发此类部件的新设计时需要加以考虑。应用磨料磨损摩擦学过程的配对建模方法,可以获得必要的数据,用于选择土壤切割部件摩擦表面的硬化形式,使其达到所需的工作寿命。这里提出的对偶模型是基于台式设备上的模拟建模结果与后续操作区域内实际土壤中的测量压力值的结合。仿真建模是在相当于中壤土的土壤背景上进行的,在加载过程中,在摩擦面的不同点测量了法向压力值,并在部件的整个摩擦面上建立了几何形状的法向压力图。实际土壤压力的测量是通过对用于作业的土壤上的土壤切割部件进行测功进行的,并测定了用于作业的土壤切割部件的总负载功率当量,测定了总负载功率当量。在配对模型中,将模拟数据与在测力条件下获得的加载力当量相结合,使我们能够获得可靠的数值,以准确选择材料和切土部件的几何形状,重点保证使用寿命。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Paired Modeling of the Tribological Process of the Abrasive Wear of Soil-Cutting Parts

Paired Modeling of the Tribological Process of the Abrasive Wear of Soil-Cutting Parts

Paired Modeling of the Tribological Process of the Abrasive Wear of Soil-Cutting Parts

The work of tillage machinery is accompanied by a natural process of abrasive wear of soil-cutting parts, which leads to a decrease in the quality of technological operations and requires consideration in the development of new designs of such parts. The application of the method of paired modeling of the tribological process of abrasive wear makes it possible to obtain the necessary data for choosing the forms of hardening of the friction surfaces of soil-cutting parts, providing them with the required working life. The pair model proposed here is based on a combination of the results of simulation modeling on bench equipment and the values of the measured pressures in real soils in the zones of subsequent operation. Simulation modeling was carried out on a soil background corresponding to medium loamy soils, and during loading, the values of normal pressures were measured at different points of the friction surfaces and geometric shapes of normal pressure plots were built on the entire friction surface of the part. The measurement of the pressures of real soils was carried out by dynamometry of soil-cutting parts on soils intended for operation with the determination of power equivalents of total loading cutting parts on soils intended for operation with determination of power equivalents of total loading. In the paired model, a combination of simulation data and force equivalents of loading obtained under dynamometry conditions is performed, which allows us to have reliable values for the exact selection of materials and geometric shapes of soil-cutting parts focused on the guaranteed service life.

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来源期刊
Journal of Friction and Wear
Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
1.50
自引率
28.60%
发文量
21
审稿时长
6-12 weeks
期刊介绍: Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.
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