毕业设计（论文）-拨叉的机加工工艺及夹具设计

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1、苏州经贸职业技术学院目录摘要····························································································································································2第1章零件的分析··················································································································

2、··············31．1零件的作用·······································································································································31．2零件的工艺分析····························································································································

3、···3第2章工艺规程的设计·······················································································································42．1毛坯的制造形式································································································································42．2基准面的选择···········

4、··························································································································42．2．1粗基准的选择····························································································································42．2．2精基准的选择·······················

5、·····································································································42．3制定工艺路线····································································································································42．4机械加工余量、工序尺寸及毛坯尺寸的确定···························

6、·····················································52．5确定切削用量及基本工时················································································································631苏州经贸职业技术学院第3章绘制零件图和编制工艺卡······················································································

7、···············223．1绘制零件图·····································································································································223.2编制工艺文件·········································································