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沖壓工藝與模具設(shè)計 1 引言.........................................................................................................................................3 2 設(shè)計課題及設(shè)計任務(wù)書.........................................................................................................3 2.1 設(shè) 計 課 題 ............................................................................................................3 2.1.1 課題來源： 生產(chǎn)實踐 ..........................................................................................3 2.1.2 課題研究的目的與主要內(nèi)容 .................................................................................3 2.1.3 目的 ....................................................................................................................4 2.1.4 基本要求 ..............................................................................................................4 2.2 設(shè)計任務(wù)書 .............................................................................................................4 3 工藝方案分析及確定.............................................................................................................5 3.1 零件的工藝分析 ......................................................................................................5 3.2 工藝方案的確定 ......................................................................................................6 3.3 工藝設(shè)計與計算 ......................................................................................................6 3.4 拉深方式與拉深力的計算 .......................................................................................6 3.4.1 拉深方式與拉深力的計算 .....................................................................................6 3.4.2 拉深工件的工藝性的確定 .....................................................................................7 3.4.3 拉深模的單邊間隙 ................................................................................................7 3.4.4 根據(jù)拉深模工作部分尺寸計算公式得 ...................................................................7 3.4.5 拉深凸模與凹模的圓角半徑 .................................................................................8 4 拉深力的計算.........................................................................................................................9 4.1 拉深力的計算 .........................................................................................................9 4.2 拉深功的計算（本例采用不變薄拉深） ..................................................................9 沖壓工藝與模具設(shè)計 5 確定壓力機的噸位...............................................................................................................10 5.1 拉深時 ..................................................................................................................10 5.2 行程和行程次數(shù) ....................................................................................................10 6 模柄的確定...........................................................................................................................10 7 沖壓設(shè)備的選用...................................................................................................................11 7.1 模具的閉合高度的計算 .........................................................................................12 7.2 沖模模架的選用 ....................................................................................................12 7.3 銷釘?shù)倪x用 ...........................................................................................................13 7.4 壓邊圈的設(shè)計 ........................................................................................................14 7.5 固定方式的確定 ....................................................................................................14 7.6 凸模的固定 ...........................................................................................................14 7.7 凹模的固定 ...........................................................................................................14 7.8 凸凹模的緊固 ........................................................................................................14 7.9 確定裝配基準 ........................................................................................................15 結(jié)束語.......................................................................................................................................16 參 考 文 獻.............................................................................................................................17 致 謝.......................................................................................................................................18