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Economic analysis of preventive replacement of fully-mechanized coal mining machinery spare parts

机译：综放煤炭矿床备件预防替代的经济分析

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摘要

Under condition of market economy, long-term maintenance costs of the equipment should become the optimization goal of fully-mechanized coal mining machinery parts management. Using the average loss optimization model with consideration of reliability analysis, the minimum average loss oriented parts replacement cycle was solved and an actual example was given. In the end, a conclusion was draw that from the perspective of minimum average loss during the cycle, there were restrictions for preventive replacement policy. The longer the average life or the higher the specific value of replace cost after troubles and preventive replacement cost, the more appropriate for application of preventive replacement strategy.
机译：在市场经济的条件下，设备的长期维护成本应成为全机械化煤炭机械零部件管理的优化目标。 利用平均损耗优化模型考虑到可靠性分析，解决了最小平均损失零件更换循环，并给出了实际的例子。 最后，结论是从循环期间最低平均损失的角度绘制，有限制预防替代政策。 在麻烦和预防性更换成本后，平均寿命越长或更换的特定价值，更适合应用预防性替代策略。

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