拖拉机传动箱体气孔缺陷分析及解决对策  

Analysis and Solution on Blowhole Defect for Tractor Gear Box

作　　者：张珂[1] 张晖 张保安[3] 

机构地区：[1]上海应用技术学院机械与自动化工程学院,上海200235 [2]苏州明志铸造设备有限公司,江苏苏州215006 [3]中国一拖集团有限公司第一铸铁厂,河南洛阳471004

出　　处：《铸造技术》2008年第12期1662-1665,共4页Foundry Technology

摘　　要：以"东方红-180"拖拉机传动箱箱体为例,对灰铸铁箱体类铸件气孔缺陷的成因进行了研究分析,从浇注温度,气候、工艺设计与闷箱时间等几个方面着手,提出了消除铸件气孔缺陷的具体措施,并给出改进效果和对比分析。The gear box of ＂Dongfanghong-180＂ tractor was taken as an example, the causes of blowhole in gray iron case castings were analyzed, and the prevention measures were proposed to eliminate blowhole defect from pouring temperature, climate, process design and covered time. The modified effect was given and analyzed.

关 键 词：灰铸铁 箱体 气孔缺陷 

分 类 号：TG245[金属学及工艺—铸造]