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1 前言 我厂自 1988～ 1989年相继购进两台ＪＭＹ380型内燃机车 ,担负铁区铁水取送作业。由于该型机车功率小、构造速度低 (45ｋｍ/ｈ)、轴重轻 (整备重量为 4 0ｔ) ,不宜在提速的铁路干线上作无动力附挂回送。但该型机车已进入大 (厂 )修阶段 ,因此必须研究自做大修的可行
1 Introduction I plant from 1988 to 1989 have purchased two JMY380 diesel locomotive, take the iron area to take hot metal pick-up operation. Due to the low power of the locomotive, the construction speed is low (45km / h) and the axle is light (the weight is 40t). It is not advisable to attach back to the speeding railway trunk without power. However, the locomotive has entered a large (factory) repair phase, it is necessary to study since the overhaul feasible