壓縮包內(nèi)含有CAD圖紙和說明書,均可直接下載獲得文件，所見所得，電腦查看更方便。Q 197216396 或 11970985
目 錄
1 緒 論.....................................................................................................................................1
1.1 沖壓模具市場情況........................................................................................................1
1.2 沖壓模具水平狀況..........................................................................................................2
1.2.1 模具CAD/CAM技術(shù)狀況......................................................................................3
1.2.2 模具設(shè)計與制造能力狀況..................................................................................4
1.2.3 專業(yè)化程度及分布狀況........................................................................................5
1.3 沖壓模具未來的發(fā)展重點與展望..................................................................................5
1.3.1 沖壓模具產(chǎn)品發(fā)展重點.........................................................................................5
1.3.2 沖壓模具技術(shù)發(fā)展重點.........................................................................................5
2 沖壓件工藝分析.....................................................................................................................7
2.1 沖壓件材料分析..............................................................................................................7
2.2 沖壓件結(jié)構(gòu)工藝性及分析..............................................................................................7
2.3 模具結(jié)構(gòu)形式和選材......................................................................................................9
2.3.1模具結(jié)構(gòu)形式........................................................................................................9
2.3.2模具材料選擇........................................................................................................9
3 沖壓工藝方案的確定...........................................................................................................11
4 工 藝 計 算.........................................................................................................................12
4.1拉伸件展開尺寸計算.....................................................................................................12
4.2材料的規(guī)格的選擇.........................................................................................................13
4.3排樣圖的設(shè)計與材料利用率的計算.............................................................................13
4.3.1排樣圖的設(shè)計......................................................................................................13
4.3.2 材料利用率的計算.............................................................................................17
4.4沖壓工藝力的計算.........................................................................................................17
4.4.1沖裁力..................................................................................................................17
4.4.2拉伸部分的拉伸力計算......................................................................................19
4.4.3卸料力及推件力的計算......................................................................................19
5 模具主要零件設(shè)計與選擇...................................................................................................22
5.1圓形凸模的設(shè)計.............................................................................................................22
5.1.1 凸模長度計算…………………………………………………………………………...23
5.1.2 承壓應(yīng)力校驗…………………………………………………………………………...23
5.1.3 抗縱向彎曲應(yīng)力的校核……………………………………………………………….24
5.1.4 圓形凸模固定端面的壓力……………………………………………………………25
5.2 切斷凸模設(shè)計……………………………………………………………………………………25
5.2.1凸模承壓力校核………………………………………………………………………….26
5.2.2 抗縱向彎曲應(yīng)力的校核……………………………………………………………….26
5.2.3 切斷凸模固定端面的壓力.................................................................................25
5.3 拉伸凸模設(shè)計................................................................................................................27
5.3.1 拉伸凸、凹模圓角半徑及工作部分深度的確定.............................................29
5.3.2 凸、凹模間隙.....................................................................................................29
5.3.3 落料口大小的確定.............................................................................................29
5.4 凹模的設(shè)計....................................................................................................................29
5.4.1 凹模孔口形式及主要參數(shù).................................................................................29
5.4.2整體式凹模外形尺寸的確定..............................................................................30
5.4.3 凹模強(qiáng)度校核.....................................................................................................32
5.5 彈簧的設(shè)計....................................................................................................................32
5.5.1設(shè)計彈簧的一般步驟..........................................................................................32
5.5.2彈簧類型的選擇..................................................................................................33
5.5.3彈簧材料及許用應(yīng)力..........................................................................................33
5.5.4 彈簧相關(guān)幾何尺寸的計算................................................................................35
5.5.5拉伸彈簧鉤環(huán)強(qiáng)度驗算……………………………………………………………….37
5.6凸模固定板的選擇........................................................................................................38
5.7 凸模墊板的選擇...........................................................................................................38
6 確定凸、凹模間隙及計算工作部分尺寸……………………………………………………….39
6.1沖裁間隙值的確定.........................................................................................................39
6.2 凹、凸模刃口尺寸計算................................................................................................39
6.2.1確定凹凸刃口尺寸的原則..................................................................................39
6.2.2沖裁模刃口尺寸的計算方法..............................................................................39
6.2.3沖裁模刃口尺寸的計算......................................................................................40
7 模具總體設(shè)計.......................................................................................................................43
7.1 定位零件的設(shè)計與選擇................................................................................................43
7.1.1 擋料銷的選擇.....................................................................................................43
7.1.2 定位板的設(shè)計.....................................................................................................44
7.1.3 止退塊的設(shè)計.....................................................................................................44
7.1.4 導(dǎo)料板的設(shè)計.....................................................................................................44
7.1.5 導(dǎo)正銷的設(shè)計.....................................................................................................45
7.2 卸料裝置的設(shè)計............................................................................................................45
7.2.1 卸料板的設(shè)計.....................................................................................................45
7.2.2 卸料彈簧的選擇.................................................................................................48
7.2.3 卸料彈簧有關(guān)尺寸計算.....................................................................................49
7.2.4 卸料彈簧的窩座深度H和安裝厚度B.............................................................50
7.2.5 安裝孔內(nèi)徑和孔底厚度h值的選取............................................................51
7.3凸模固定板的設(shè)計.........................................................................................................52
7.4導(dǎo)向零件的選用.............................................................................................................52
7.5 模架的選用....................................................................................................................53
8 沖壓設(shè)備的選擇...................................................................................................................55
8.1沖壓設(shè)備類型的選擇.....................................................................................................55
8.2確定設(shè)備的規(guī)格.............................................................................................................55
9 繪制模具圖與撰寫說明書...................................................................................................57
9.1裝配圖的繪制.................................................................................................................57
結(jié) 論.......................................................................................................................................58
致 謝.......................................................................................................................................60
參考文獻(xiàn)...................................................................................................................................61