中文摘要本设计是对汽车前轮毂零件进行铸造毛坯工艺设计。根据零件的使用条件、结构特点、生产批量，结合工厂现有设备等进行铸造工艺分析，确定了铸造方法、造型及造芯方法、凝固原则及浇注位置、分型面、砂箱中铸件数量、砂型数量等，完成了砂芯、浇注系统、冒口及冷铁、相关工装设备等设计，并进行铸件质量控制分析及制定了检验要求。关键词：砂型铸造，工艺分析，工艺设计，质量控制ABSTRACTThisdesignisthecastingblanktechnologydesignforfronthubbearingincar.Accordingtotheapplicationconditions,structuralfeatures,productionbatchofthepartandexistingequipment,itdoesthecastingtechnologyanalysis,determinesthemethodofcasting,modeling,coremaking,solidificationprinciplesandpouringposition,partingsurface,thequantityofcastingandmold,etc.Itcompletesthedesignofsandcore,pouringsystem,riser,chill,equipment,doesthequalitycontrolanalysisofcastingandconstitutestheinspectionrequirements.Keywords:sandmoldcasting，technologyanalysis，technologydesign，qualitycontrol目录第一章汽车前轮毂工艺分析.........................................................................................21.1汽车前轮毂.................................................................................................................21.2生产条件及技术要求.................................................................................................21.3工艺分析.....................................................................................................................2第二章工艺方案的确定.................................................................................................22.1铸造方法的选择.........................................................................................................22.2造型、造芯方法的选择.............................................................................................22.3凝固原则、浇注位置的确定.....................................................................................22.4分型面的选择.............................................................................................................22.5砂箱中铸件数量的确定.............................................................................................22.6砂芯数量的确定.........................................................................................................22.7主要工艺参数的确定.................................................................................................22.7.1铸造收缩率的选择..........................................................................................22..7.2铸造精度及尺寸、重量偏差的确定.............................................................22.7.3机械加工余量的确定......................................................................................22.7.4拔模斜度的确定..............................................................................................22.8砂芯设计.....................................................................................................................22.9浇注系统的设计.........................................................................................................22.9.1浇注系统类型的选择......................................................................................22.9.2浇注系统的设计与计算..................................................................................22.10冒口及冷铁的设计...............................
