Техническая возможность и экономическая целесообразность ремонта автомобильных агрегатов с восстановлением изношенных деталей

Владимир Иванов, Татьяна Вигерина
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Abstract

Goal – identification of conditions for the economic feasibility of repairing units with the restoration of parts in comparison with the repair based on the use of new parts. Research – techno‑economic methods were used, taking into account the changing cost items for technological operations of repairing automobile units in various versions. The limitation was the provision of after‑repair running hours of repaired units, not inferior to the standard operating time of new units. Score/results – the review shows the conditions under which the main quality indicators in the form of wear resistance and fatigue strength of the restored parts, which determine their durability, are not inferior to the development to the limit state of new parts. Originality/value – the cost of restoring individual parts during the repair of units is 8–60% of the price of new products. The conditions of concentration of production with an increase in its volumes are given, which reduces the complexity of the restoration of parts up to two times.
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修复汽车磨损部件的技术可行性和经济可行性
目标 - 与使用新部件进行维修相比,确定通过修复部件进行维修的经济可行性条件。研究采用了技术经济学方法,考虑到了各种型号汽车维修技术操作成本项目的变化。限制条件是维修后的设备运行时间不得低于新设备的标准运行时间。得分/结果--审查结果表明,在什么条件下,修复后部件的耐磨性和疲劳强度等决定其耐用性的主要质量指标不低于新部件发展到极限状态的质量指标。独创性/价值 - 在设备维修过程中,修复单个零件的成本是新产品价格的 8-60%。随着生产量的增加,生产集中化的条件已经具备,这将使部件修复的复杂性降低两倍。
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