球墨铸铁连杆铸造____工艺设计.doc

攀枝花学院 Panzhihua University 铸造工艺课程设计说明书 设计题目：球墨铸铁连杆铸造工艺设计 姓名：xxxxx 院系：材料工程学院 专业：材料成型及控制工程 学号：xxxxxxx 指导老师：xxx 时间：xxxxx  摘 要 首先，根据提供的零件图获取零件的技术要求、材料组成、结构特点、生产条件、生产批量及性能要求。然后，对零件结构的铸造工艺性进行分析，找出可能存在的结构问题提出改进措施或者预防缺陷的措施：根据零件的结构特点、技术要求、生产批量、生产条件选择铸造和造型方法。由零件的结构特点提出多种浇注和分型方案，综合对比分析，选择最为理想的浇注位置及分型面。再次根据铸造工艺方案和零件的特点，选用适宜的工艺参数，设计铸件的浇注系统并绘制铸造工艺图。 关键词：球墨铸铁，铸造工艺，浇注系统，工艺参数  目 录 摘 要·······································································Ⅰ 第1章 绪论································································1 1.1课程设计的意义·························································1 1.2设计题目的提出·························································1 第2章 材料的确定·························································3 第3章 结构工艺分析······················································ 4 第4章 工艺方案的设计····················································5 4.1铸型种类及方法确定·····················································5 4.2型芯结构及制造·························································5 4.3分型面的筛选···························································6 4.4铸造位置及浇注口的确定·················································6 第5章 铸件工艺参数确定···················································7 5.1加工余量·······························································7 5.2起模斜度及圆角确定·····················································8 5.3收缩量选择·····························································8 5.4型芯及型芯头选择······················································8 第6章 浇注系统的拟定···················································10 6.1系统作用与结构分析····················································10 6.2横浇道及其结构························································10 6.3各组元截面尺寸确定····················································10 6.4 系统引注位置的选用····················································12 6.5冒口及尺寸确定··················