材料成型综合实训

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1、目录前言铸造的发展史······························4第一部分材料成型综合实训（工艺）一、零件铸造工艺要求和特点·······················61.1.零件的生产条件、结构及技术要求·············61.2零件的铸造工艺性···························7二、零件铸造工艺方案2.1造型，造芯方法的选择·······················82.2浇注位置和分型面的确定·····················9三、铸造工艺参数设计3

2、.1铸件尺寸公差······························103.2机械加工余量··········29····················113.3最小铸出孔和槽·····························113.4拔模斜度··································113.5铸造收缩率································123.6其他工艺参数设计···························12四、砂芯设计4.1芯头

3、的设计································124.2压环、防压环和集砂槽芯头结构················134.3芯骨设计································14五.浇注系统设计295.1浇注系统类型的选择··························145.2铸件重量···································145.3浇注时间···································145.4静压头的计算

4、······························155.5浇注系统各组元截面面积的计算···············155.6直浇道窝的设计····························165.7浇口杯的设计······························165.8校核最小压力头···························165.9工艺出品率29································165.10.砂箱尺寸及造型机选择···············

5、······17第二部分材料成型综合实训（工装）六、模板模样设计绘制模板装配图6.1.设计原则·····························196.2.模板模具设计·····························196.2.1选择模板类型、结构·····················196.2.2设计模底板、材料、结构尺寸及定位销，销耳尺寸196.2.3设计金属模样结构及尺寸··················206.2.4模样在底板上的装配，布置、定位、紧固······206.2.5模底板

6、、砂箱定位装置···················216.2.6模底板的搬运结构······················226.2.7模底板在造型机上的安装·················226.2.8浇道在模底板上的装配···················2329七、设计绘制芯盒装配图7.1芯盒材料的选择···························247.2芯盒分盒面的设计·························247.3芯盒内腔尺寸的确定······················

7、·247.4芯盒的壁厚·······························247.5芯盒的边缘及防磨片·······················257.6芯盒的定位与夹紧·························257.7金属芯盒的尺寸偏差·······················257.7芯盒的搬运·······························25八、铸件缺陷分析与解决方案·····················2529九、实训总结···················

8、················26十、参考文献···································26前言29中华文明大致经历了石器时代、铜器时代和铁器时代三个历史阶段，这三种材质的工具和技术的创造发明，随着人类的繁衍，不断推动人类文明向高级阶段发展，金属的应用使人类文明产生了根本性的飞跃，而铸造技术的运用和金属的发展紧密联系在一起。对古