D15发动机缸体螺纹塔子气孔缺陷解决实例  

Quality Issue Solving Example-D15 Engine Block Screw Thread Pores Defect Solving

作　　者：马江达 韦年勇 欧小园 韦幸 MA Jiang-da;WEI Nian-yong;OU Xiao-yuan;WEI Xing(Liuzhou Wuling Liuji Power Co.,Ltd.,Liuzhou Guangxi 545005,China)

机构地区：[1]柳州五菱柳机动力有限公司,广西柳州545005

出　　处：《装备制造技术》2020年第2期143-147,共5页Equipment Manufacturing Technology

摘　　要：介绍了本厂D15发动机缸体铸件的铸造生产工艺,对该款发动机缸体铸件出现的螺纹塔子气孔缺陷进行分析研究,通过优化浇注系统、适当工艺补正、控制砂芯发气量等改进措施,有效解决了该款缸体螺纹塔子气孔缺陷,达到客户要求,实现产品批量生产。This article describes the casting process of D15 engine block and the analysis of D15 engine block screw thread pores defects.The issue was effectively resolved to satisfy customer requirements and reach sop by optimizing filling system,process parameters and controlling air volume from sand core.

关 键 词：发动机气缸体 气孔缺陷 浇注系统 工艺补正 发气量 

分 类 号：TG255[金属学及工艺—铸造]