采用激光和高频感应方法强化重载机械悬挂件内表面的创新技术

O. G. Devoino, I. I. Vegera, V. G. Zaleski, V. V. Rudy, V. V. Zharsky
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引用次数: 0

摘要

介绍了采用激光和高频感应加热对机械零件内表面进行表面硬化的新方法。论证了采用激光和感应淬火方法对采石设备重载零件内表面进行加工的可行性。给出了在外加电磁场和激光光束影响下的热场和电磁场的建模和计算结果。介绍了一种利用外电磁场加工悬架零件内表面的复合设备的初步设计。给出了由不同材料制成的磁路电感器的优化设计。对BelAZ公司轿车重载悬架部件内表面采用最优表面感应暴露方式处理后的结构和性能进行了研究。介绍了自主开发的激光表面硬化技术和设备,为提高重载零件的耐磨性提供了可能。在“BELAZ”JSC(控股公司“BELAZ- Holding”的管理公司)执行研究结果的数据,用于加工各种重载悬挂部件。
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Innovative technologies for strengthening of internal surfaces of suspension parts of heavy-loaded machines by laser and high-frequency induction methods
In the article innovative methods of surface hardening of internal surfaces of machine parts by laser and highfrequency induction heating are presented. The relevance of applying the methods of laser and induction hardening for the internal surfaces of heavily loaded parts of quarry equipment is proved. The results of modeling and calculation of thermal and electromagnetic fields under the influence of an external electromagnetic field and laser radiation beams are presented. The original design of a complex of equipment for processing the internal surfaces of suspension parts by external electromagnetic field is described. The optimal designs of inductors with magnetic circuits made of various materials are shown. The study of the structure and properties obtained on the internal surfaces of heavily loaded suspension parts of cars, line of the BelAZ company, treated according to the optimal modes of surface induction exposure is given. The developed original technology and equipment of laser surface hardening, which makes it possible to increase the wear resistance of heavily loaded parts, is described. Data on the implementation of research results at JSC “BELAZ” – the Management Company of the Holding “BELAZ-HOLDING” for processing a wide range of heavily loaded suspension parts are given.
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