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  • 宋明媚,郑维杰,宋明明.济柴12V175型柴油机曲轴无损检测与寿命评估方法[J].柴油机,2021,43(6):57-61.    [点击复制]
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济柴12V175型柴油机曲轴无损检测与寿命评估方法
宋明媚,郑维杰,宋明明
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中国石油集团济柴动力有限公司再制造分公司,河北 沧州 062650;中国石油集团渤海石油装备制造华油钢管有限公司,河北 沧州 062650;中国石油集团华港燃气集团有限公司,河北 沧州 062550
摘要:针对传统曲轴检测方法测量精度低、易产生误差的问题,采用智能涡流/磁记忆检测仪对曲轴外部进行无损检测,采用超声波检测仪对零件内部进行检测;在此基础上将检测数据传输给寿命评估软件,进行曲轴再制造前的寿命评估工作。实际应用表明该检测及寿命评估方法效果良好。
关键词:  柴油机;无损检测;涡流;磁记忆;寿命评估
Non-Destructive Testing and Life Evaluation of Crankshaftof Jichai 12V175 Series Diesel Engine
Song Mingmei,Zheng Weijie,Song Mingming
Remanufacturing Branch,CNPC Jichai Power Company Limited.,Hebei Cangzhou 062650;North China Petroleum Steel Pipe Co.,Ltd.,Hebei Cangzhou 062650;CNPC Huagang Gas Co.,Ltd.,Hebei Cangzhou 062550
Abstract:In response to the common problems associated with traditional crankshaft detecting methods, such as low measurement accuracy and high error rate, the intelligent eddy current/magnetic memory detector was used to detect the external defects of a crankshaft, and the ultrasonic detector was used to detect the interior of parts. On this basis, the test data was transmitted to the life evaluation software for the life evaluation of the crankshaft before remanufacturing. The practical application shows that the detection and life evaluation method is effective.
Key words:  diesel engine; non-destructive testing; eddy current;magnetic memory; life evaluation