电动机端盖模具设计

目录

摘要.......................................................................................................................................................................I
Abstract................................................................................................................................................................II
1 绪论...................................................................................................................................................................1

1.1 选题的依据和意义...............................................................................................................................1
1.2 国内外压力铸造的发展动向..............................................................................................................1

1.2.1 国内压力铸造的发展动向.......................................................................................................1
1.2.2 .国外压力铸造的发展动向......................................................................................................3

1.3 研究或解决的问题...............................................................................................................................3

2 压铸件的结构..................................................................................................................................................4
3 压铸件工艺性分析..........................................................................................................................................5
4 机械加工余量..................................................................................................................................................6
5 铸件线收缩及铸件尺寸公差.........................................................................................................................7
6 压铸模具的设计..............................................................................................................................................8

6.1 确定成型腔数.......................................................................................................................................8
6.2 分型面的选择.......................................................................................................................................9
6.3 压铸机的选择.....................................................................................................................................10

6.3.1 卧式冷室压铸机结构..............................................................................................................10
6.3.2 .计算零件的投影面积.............................................................................................................10
6.3.3 计算胀型力，锁型力，初选压铸机型号.............................................................................10
6.3.4 计算浇入合金液的重量..........................................................................................................11
6.3.5 压铸机的校核..........................................................................................................................11

6.4 浇注系统的设计.................................................................................................................................11

6.4.1 浇注位置的确定......................................................................................................................11
6.4.2 内浇道的尺寸..........................................................................................................................11
6.4.3 横浇道的尺寸..........................................................................................................................12
6.4.4 直浇道尺寸..............................................................................................................................12
6.4.5 溢流槽的设计..........................................................................................................................12
6.4.6 浇注系统的二维视图..............................................................................................................13

6.5 推杆尺寸计算.....................................................................................................................................13
6.6 排气、冷却系统.................................................................................................................................14
6.7 模体设计.............................................................................................................................................14

6.7.1 模体设计概述..........................................................................................................................14
6.7.2 模体尺寸..................................................................................................................................14
6.7.3 材料及热处理后硬度..............................................................................................................15

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