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制造技術基礎課程設計說明書
題 目
手柄零件的機械加工工藝規(guī)程及其夾具設計
專 業(yè)
機械工程及自動化
班 級
姓 名
學 號
指導老師
成 績
2013年 3 月 10 日
目 錄
題目 ··········································1
一零件分析 ······································2
1.1 零件的作用 ······································2
1.2 零件的工藝分析 ·······························2
1.3 確定零件的生產(chǎn)類型 ··························· 3
二 確定毛坯類型繪制毛坯簡圖 ·················3
2.1 確定毛坯的尺寸公差和加工余量 ···················4
三 工藝規(guī)程設計 ·······························6
3.1 定位基準的選擇 ································ 6
3.2 擬訂工藝路線 ·································6
3.3 加工設備及工藝裝備的選用 ······················7
3.4 加工余量/工序尺寸和公差的確定 ·················9
3.5 切削用量的計算 ······························9
四 專用鉆床夾具設計 ················11
4.1 工序要求 ······························ 11
4.2 點位方案設計分析 ·······················11
4.3 定位元件的型號，尺寸和安裝方式 ··············12
小結················································15
參考文獻 ···········································16