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1轮对不落轮旋修工具的研制机车动轮轮缘碾难是运用中经常发生的问题。《铁路技术管理规程》第112条规定：机车在出机务段或折返段前必须达到运用状态，其中一项是轮缘的垂直磨耗高度不超过肥mm，并无碾堆。机车运用过程中，由于轮绿与钢轨头部的挤压摩擦，轮缘顶部因碾难造成
Development of a round of non-drop round rotary repair tools Locomotive wheel flange is difficult to use in the operation of the problem. Article 112 of the Regulations on Railway Technical Management stipulates that the locomotive must be in operational status before it leaves the locomotive section or the turning-back section. One of them is that the vertical abrasion height of the rim does not exceed the height of fertilizer mm and there is no compaction. Locomotive use process, due to green wheel and rail head extrusion friction, due to the top of the wheel rim caused by grinding