铝合金机油盘上体密封面渣气孔缺陷分析及工艺优化  

Slag-Blowhole Defects, Causes and Their Remedies in Casting Process of Aluminum Alloy Engine Oil Disc Upper Body

作　　者：宋翰卿 丛培军 孙畅禹 张守双 宋来 金延竹 SONG Han-qing;CONG Pei-jun;SUN Chang-yu;ZHANG Shou-shuang;SONG Lai;JIN Yan-zhu(FAW foundry Co.,Ltd.,Jilin,Changchun130000,Jilin,China;Shenyang University of Technology,Shenyang 110870 Liaoning,China)

机构地区：[1]一汽铸造有限公司 [2]沈阳工业大学材料科学与工程学院

出　　处：《铸造》2019年第12期1417-1421,共5页Foundry

摘　　要：针对重力浇注铝合金机油盘上体密封面渣气孔缺陷,进行了形成原因以及浇注工艺分析。采用提高浇注速度、增设随型冒口、改变内浇道尺寸以及增加法兰面加工余量等措施,优化了工艺参数,并通过铸造工艺模拟以及生产验证确定了最终铸造工艺方法。此方法解决了机油盘上体加工面渣气孔缺陷,提高了铸件质量,降低了废品率。Aiming at the slag-blowhole defects occurring on the sealing surface of aluminum alloy engine oil disc upper body;the forming causes of defects and the pouring process of castings were analyzed.A series of measures such as increasing the pouring speed,adding the riser with mold form,changing the size of the inner runner and increasing the machining allowance of the flange surface,were taken to optimize the casting process.The final casting process method was determined by casting process simulation and production verification.Since the slag-blowhole defects on the sealing surface of the upper body were eliminated;the casting quality was improved,and the scrap rate was reduced.

关 键 词：铝合金 发动机机油盘上体 渣气孔 铸造工艺优化 

分 类 号：TG292[金属学及工艺—铸造]