锻造课程设计报告

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1、“摇臂”锤模锻工艺及模具设计目录课程设计任务书·····················································1前言·······························································21零件分析及基本工艺方案确定零件分析·······························31.1零件分析·······················································31.2零件材料特性

2、分析···············································31.3零件尺寸精度及表面粗糙度分析···································41.4零件基本工艺方案确定···········································42锤上模锻锻件设计·················································52.1确定分模位置·····································

3、··············52.2确定锻件公差及加工余量·········································52.2.1确定材质系数、复杂系数、零件的机械加工精度···················52.2.2确定锻件公差和余量···········································62.2.3确定模锻斜度·················································62.2.4确定圆角半径··················

4、·······························72.2.5确定冲孔连皮·················································72.3确定模锻件的技术条件···········································73锤上模锻锻件工艺设计·············································93.1计算锻件的主要参数·············································9

5、3.2确定锻锤设备吨位···············································93.3确定飞边槽形式和尺寸···········································93.4绘制计算毛坯图················································103.5计算繁重系数并确定制坯工步····································123.6确定坯料尺寸··························

6、························123.6.1坯料截面积及直径计算········································123.6.2坯料长度计算················································133.7模锻前期工序方法选择··········································133.8模锻后期工序方法选择··········································143.9锻件工艺

7、卡····················································144锤上模锻锻模设计················································164.1终锻模膛设计··················································164.2滚挤模膛设计··················································164.2.1滚挤模膛的高度·················

8、·····························17I“摇臂”锤模锻工艺及模具设计4.2.2滚挤模膛宽度················································184.2.3钳口、毛刺槽等尺寸························