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1 概述 我段运用的东风4Ｂ型机车 1999年 7月连续发生 4起凸轮轴啃伤故障 ,直接影响了安全运输生产和检修部门成本的控制。为此 ,必须及时查找凸轮轴啃伤故障的原因并采取相应的防止措施。故障情况列于附表。附表 4起凸轮轴啃伤故障情况车号发生日期修程故 障 现 象处
1 Overview Dongfeng 4B locomotive used in the paragraph I made in succession in July 1999, four camshaft bite damage directly affect the safe transportation of production and maintenance department cost control. To this end, we must promptly find the cause of the camshaft bite damage and take appropriate preventive measures. Fault conditions listed in the schedule. Schedule 4 from the camshaft bite injury case No. car date repair phenomenon phenomenon