16V280ZJA型柴油机机体穴蚀修复及预防方法的研究  

Study on the Method of Cavitation Prevention and Restoration to 16V280ZJA Diesel Engine Body

作　　者：李功岭 刘军强 LI Gongling;LIU Junqiang(Daban Locomotive Depot.China Railway Hohhot Group Co.,Ltd.,InnerMongolia 025150 Chifeng,China)

机构地区：[1]中国铁路呼和浩特局集团有限公司大板机务段,内蒙古赤峰025150

出　　处：《铁道机车车辆》2018年第6期90-94,共5页Railway Locomotive & Car

摘　　要：结合16V280ZJA型柴油机结构特点,对机体发生穴蚀的部位及原因进行了分析。根据机务段检修现场的实际生产条件,针对机体穴蚀的不同程度,研究制定了两种修复方案:对穴蚀轻微的部位采用铸铁修补剂填充修补;对穴蚀严重的部位采用Z408铸铁焊条补焊。通过在机车运用中的检验,证实了修复方案的可行。并在机车检修、保养、运用方面对预防16V280ZJA型柴油机机体穴蚀提出了相应的措施和建议。Combined with the structural characteristics of 16 V280 ZJA diesel engine,the causes and locations of cavitation erosion were analyzed in this paper.According to the actual production conditions on maintenance site of locomotive depot,two restoration schemes are formulated in view of the different degree of the cavitation erosion.The minor part of the cavitation is filled with cast iron repair agent,and the Z408 cast iron welding rod is used to repair the serious site of the cavitation.The feasibility of the repair plan is confirmed by the test in locomotive operation.Corresponding measures and suggestions are put forward to prevent cavitation erosion of16 V280 ZJA diesel engine in locomotive maintenance,maintenance and application.

关 键 词：16V280ZJA型柴油机 球墨铸铁机体 穴蚀 修复及预防措施 

分 类 号：U269.23[机械工程—车辆工程]