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后钢板弹簧吊耳工艺设计说明书(附工艺卡)
目录零件的工艺分析及生产类型的确定零件的作用···········································································································2零件的工艺分析···································································································2零件的生产类型···································································································2选择毛坯、确定毛坯尺寸1.选择毛坯···············································································································32.确定机械加工余量、毛坯尺寸和公差·······························································33.确定机械加工余量·······························································································34.确定毛坯尺寸和尺寸公差···················································································4选择加工方法、制定工艺路线1. 定位基准的选择·································································································42. 零件表面加工方法的选择·················································································43. 制定工艺路线·····································································································5工序设计机床设备的选用·································································································7工艺装备的选用·································································································7确定切削用量及基本时间工序1：“粗铣φ37孔的两φ60端面至78”························································7工序2：“粗铣两φ30孔内侧端面距离至75”·····················································8工序3：“精铣两φ30孔内侧端面距离至〖77〗_0^(+0.07)”·····························9工序4：“粗铣两φ30孔外侧端面与内侧端面距离至22”································11工序5：“半精铣φ37孔的两φ60端面至〖76〗_(-0.6)^(-0.2)”·······················12工序6：“钻φ20孔···································································································13工序7：“扩钻φ35孔”·························································································14工序8：“扩φ35孔至φ36.75”············································································15工序9：“铰φ36.75孔至φ〖37〗_0^(+0.05)”·
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