利用气冲生产发动机缸体铸型的若干实践  

Much Practice Using Air- Impact Moulding to Produce The Mould of a Motor-Cylinder

作　　者：董超[1] 李建国[1] 陆自刚 汪日勤 

机构地区：[1]上海工业大学 [2]临海铸机厂

出　　处：《铸造设备研究》1993年第2期37-41,共5页Research Studies On Foundry Equipment

摘　　要：本文介绍了一种新型的气流冲击试验装置,研究结果表明,该装置具有很高的建压速度。在0.4～0.6MPa下,对复杂的发动机缸体能形成紧实度高且均匀的优质铸型。并分析了主要工艺及结构参数对紧砂过程的影响,进一步阐述了气流冲击紧实机理,提出了改善其性能的相应措施。This paper introduces a new experimental equipment for researching air- impact moulding.Test results show that the equipment is of high pressurized speed,under the pressure of 0.4～0.6MPa,it can be used to produce high- quality casting moulds of uniformand high hardness for the complicated motor- cylinder.The effects of main technological and structural coefficient on compacting process are analysed.The compacting mechanism of air- impact moulding is further discussed.Many methods of improvement of its characteristics are advanced.

关 键 词：发动机 缸体 铸型 气冲紧实 

分 类 号：TG242[金属学及工艺—铸造]