С. В. Чабан, О. Ковра, В. Петров
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摘要

军事装备零件维修的质量和延长其使用寿命,在很大程度上取决于如何组织和以何种方式进行故障或损坏零件的修复。为了恢复损坏部件的全部功能,有必要将它们恢复到其初始尺寸,几何形状,硬度,耐腐蚀性和其他性能。在液压缸工作杆的工作表面涂覆电解涂层是一种先进的修复液压缸工作杆的方法。本研究旨在改进电解镀铬修复液压缸杆的方法,以强化工艺,改善使用性能,并在修复的杆上获得均匀厚度的电解镀铬层。这项工作的科学和实用方向在于,第一次考虑了使用喷射阳极设计来强化工艺、提高镀层质量和获得长度均匀的电解铬镀层的技术。研究方法是确定镀铬工艺参数对通用(250 μ m / l - СrO3)镀铬涂层均匀性、显微硬度和微裂纹的影响;2、5г/лH2SO4)такріолітового(10г/л- Na3AlF6;250 - СrO3;用喷射法测定电解液的2,5 μ m / μ m - H2SO4。研究结果表明,在标准电解液和冰晶石电解液中,均匀性、显微硬度和微裂纹与喷射器镀铬工艺参数的关系,确定了用于军事装备液压缸杆修复的最佳温度和电流密度。该研究的价值在于首次使用喷射阳极作为正极,从而确保直接在镀铬液中获得高质量和均匀的电解镀层。当电解液在喷射管中压力通过时,阳极喷射器利用阳极管中的喷射器效应,提供高度可调的电解气体悬浮吸入和电解液在电极间空间的更新。关键词:风暴密度,阳极-阴极距离,均匀性,裂纹,显微硬度,电解质温度,阳极喷射器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ВІДНОВЛЕННЯ ШТОКІВ СИЛОВИХ ГІДРОЦИЛІНДРІВ АВТОМОБІЛІВ ЛЕКТРОЛІТИЧНИМ ХРОМУВАННЯМ
The quality of the repair of parts of military equipment and the increase of their service life largely depends on how it is organized and in what ways the restoration of malfunctioning or damaged parts is carried out. To restore the full functionality of the damaged parts, it is necessary to return them to their initial dimensions, geometric shape, hardness, corrosion resistance and other properties. One of the progressive methods of restoring the working rods of hydraulic cylinders is the application of electrolytic coatings on their working surface. The purpose of the study is to improve the method of restoration of hydraulic cylinder rods by electrolytic chroming with the aim of intensifying the process, improving operational properties and obtaining electrolytic chromium deposits of uniform thickness on the restored rods. The scientific and practical direction of the work consists in the fact that for the first time the technology of process intensification, improvement of the quality of coatings and obtaining of electrolytic chromium deposits uniform in length with the use of an ejector anode design has been considered. The research methodology is to identify the influence of the chrome plating process parameters on the uniformity, microhardness and microcracking of chrome coatings made of universal (250 г/л – СrO3; 2,5 г/л – H2SO4) та кріолітового (10 г/л – Na3AlF6; 250 г/л – СrO3; 2,5 г/л – H2SO4) of electrolytes by the ejector method. The results of the study are the establishment of the dependence of uniformity, microhardness and microcracking on the parameters of the ejector chromium plating process in standard and cryolite electrolytes and the determination of the optimal temperature and current density for use in restoring the rods of hydraulic cylinders of military equipment. The value of the conducted research is that for the first time an ejector anode is used as a positive electrode, which ensures obtaining high-quality and uniform electrolytic coatings directly in the chrome plating bath. Anode-ejector provides height-adjustable suspension suction of gaseous products of electrolysis and renewal of electrolyte in the interelectrode space due to the ejector effect in the anode tubes when the electrolyte is passed under pressure in the jet tubes. Keywords: stom density, anode-cathode distance, uniformity, cracking, microhardness, electrolyte temperature, anode-ejector.
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