防火罩沖壓工藝及模具設(shè)計(jì)說(shuō)明書(shū)-wenkub
2023-05-24 03:47:15 本頁(yè)面
【正文】 ............................................ 1 零件結(jié)構(gòu)分析 ....................................................... 1 工藝性分析 ............................................................ 2 尺寸精度 ........................................................... 2 材料分析 ........................................................... 2 拉伸工藝性分析 ..................................................... 2 2 工藝方案的確定 ......................................................... 3 沖壓基本工序的確定 .................................................... 3 工序數(shù)目的確定 ..................................................... 3 工序順序的確定 ..................................................... 3 3 工藝設(shè)計(jì)與 計(jì)算 ......................................................... 4 坯料尺寸的確定 ........................................................ 4 模具沖裁部分設(shè)計(jì)與尺寸的確定 .......................................... 4 落料刃口尺寸計(jì)算 ................................................... 4 沖孔部分刃口尺寸計(jì)算 ............................................... 4 排樣 .................................................................. 5 確定搭邊值 ......................................................... 5 條料寬度的確定 ..................................................... 5 排樣的確定 ......................................................... 6 模具拉深部分設(shè)計(jì)與尺寸計(jì)算 ............................................ 6 確定拉伸次數(shù) ....................................................... 6 拉深凸凹模間隙的確定 ............................................... 7 拉深模工作部分尺寸的確定 ........................................... 7 拉深凸模與凹模的圓角半徑 ........................................... 7 沖裁力的計(jì)算 .......................................................... 8 沖裁力的計(jì)算 ....................................................... 8 沈陽(yáng)理工大學(xué)課程設(shè)計(jì)專用紙 II 拉深力的計(jì)算 .......................................................... 8 壓力中心的計(jì)算 ........................................................ 9 橡皮墊的選擇及壓邊力的校核 ............................................ 9 模具閉合高度的計(jì)算 ................................................... 10
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