墊板-側(cè)板落料沖孔復(fù)合模具設(shè)計-沖壓模含SW三維及11張CAD圖帶開題,墊板,側(cè)板落料,沖孔,復(fù)合,模具設(shè)計,沖壓,sw,三維,11,十一,cad,開題 目 錄 引言 ...........................................................................................................................................1 1 工藝分析 ...........................................................................................................................2 1.1 零件沖壓工藝性分析 ..........................................................................................................2 1.2 沖壓工藝方案的確定 ..........................................................................................................5 1.3 落料變形的三個階段 ..........................................................................................................7 1.4 沖裁間隙 ..............................................................................................................................8 1.4.1 沖裁間隙的選用................................................................................................................8 1.4.2 間隙對沖裁工作的影響....................................................................................................8 2 工藝設(shè)計 .........................................................................................................................10 2.1 排樣 ....................................................................................................................................10 2.1.1 排樣的意義......................................................................................................................10 2.1.2 搭邊和條料寬度的確定..................................................................................................12 2.2 凸、凹模工作部分計算 ....................................................................................................14 2.2.1 凸、凹模刃口尺寸計算原則..........................................................................................14 2.2.2 刃口尺寸計算方法..........................................................................................................15 2.2.3 刃口尺寸計算..................................................................................................................18 3 沖壓力計算及沖裁設(shè)備的選擇 ...............................................................................19 3.1 沖壓力的計算 ....................................................................................................................19 3.1.1 落料力和沖孔力的計算..................................................................................................20 3.1.2 卸料力、推件力和頂件力的計算..................................................................................20 3. 2 沖裁設(shè)備的選擇 ...............................................................................................................22 3.3 模具壓力中心的確定 ........................................................................................................23 4 主要零件設(shè)計................................................................................................................23 4.1 工作零件 ............................................................................................................................24 4.1.1 沖孔凸模..........................................................................................................................24 4.1.2 凸凹模..............................................................................................................................26 4.1.3 落料凹模..........................................................................................................................26 4.2 導(dǎo)向零件 ............................................................................................................................26 4.3 定位零件 ............................................................................................................................27 4.4 卸料和推件裝置 ................................................................................................................29 4.5 支承及夾持零件 ................................................................................................................30 5 模具總體結(jié)構(gòu)................................................................................................................33 6 模具零件材料及加工工藝過程 ...............................................................................34 6.1 模具零件材料及其熱處理 ................................................................................................34 6.2 主要零件加工工藝規(guī)程 ....................................................................................................35 7 結(jié)論 ..................................................................................................................................37 謝 辭.....................................................................................................................................38 參考文獻 ................................................................................................................................39