一种发动机气缸体气孔缺陷分析及改进  

Analysis and improvement of blowhole defects in engine cylinder block

作　　者：戚鹏超 张聚辉 张明 李永刚 范伟 胡宗乾 QI Pengchao;ZHANG Juhui;ZHANG Ming;LI Yonggang;FAN Wei;HU Zongqian(Weichai Heavy Machinery Co.,Ltd.,Weifang 261101,Shandong China)

机构地区：[1]潍柴重机股份有限公司,山东潍坊261101

出　　处：《中国铸造装备与技术》2020年第3期54-57,共4页China Foundry Machinery & Technology

摘　　要：以一种发动机气缸体气孔缺陷问题为例,通过合理优化浇注系统,更改局部结构,提高排气能力等方面提出解决思路,最终将气缸体的气孔缺陷率降至较低水平。Taking blowhole defect problems of a kind of engine cylinder block as an example,a solution has been proposed through reasonable optimization of the pouring system,changing the local structure,and improving the exhaust capacity.Finally,the blowhole defect rate of cylinder block has been reduced to a low level.

关 键 词：气缸体 气孔 浇注工艺 排气能力 

分 类 号：TG245[金属学及工艺—铸造]