湿式缸套机体毛坯铸件精度影响因素分析及改进研究  

Factor Analysis and Improvement Research on Precision of Wet Cylinder Block Blank Casting

作　　者：桑国良 伍启华 王超 任怀喜 陈国清 马振 SANG Guo-liang;WU Qi-hua;WANG Chao;REN Huai-xi;CHEN Guo-qing;MA Zhen(Weichai Power Company Limited Co.,Itd.,Weifang Shandong 261000,China)

机构地区：[1]潍柴动力股份有限公司,山东潍坊261000

出　　处：《铸造设备与工艺》2024年第3期29-33,共5页Foundry Equipment & Technology

摘　　要：分析了影响湿式缸套柴油机机体毛坯铸件精度的影响因素,主要包含收缩率、反变形工艺及组芯方式等。通过优化铸件收缩率、重新设计整体芯组把合方式及采用反变形工艺,提升了铸件毛坯尺寸的一致性及毛坯精度。The factors affecting the precision of blank castings of wet cylinder liner diesel engine block are analyzed,including shrinkage rate,reverse deformation technology and core formation method.By optimizing the shrinkage rate of casting,re-designing the whole core assembly and adopting the anti-deformation technology,the consistency of casting size and the precision of casting are improved.

关 键 词：湿式缸套 气缸体 铸件精度 

分 类 号：TG245[金属学及工艺—铸造]