【正文】 ....................................................................................................12 材料利用率計算 ............................................................................................12 計算沖裁力 ....................................................................................................13 確定壓力中心 ..............................................................................................14 沖壓設備的選擇 ..........................................................................................154 主要工作部分尺寸計算 ........................................................................................15 沖孔部分刃口計算 ......................................................................................15 切斷部分刃口計算 ......................................................................................175 模具總體設計 ........................................................................................................18 確定送料方式 ..............................................................................................18 定位方式的選擇 ..........................................................................................18 卸料、出件方式的選擇 ..............................................................................186 卸料零件計算 ........................................................................................................20 卸料彈簧的選擇 ..........................................................................................207 模具各主要零件的設計 ........................................................................................21 導料板的設計 ..............................................................................................21 切斷凸模的設計 ............................................................................................222 沖孔凸模的設計 ..........................................................................................22 沖孔凸模的尺寸及形狀 ..................................................................23 凸模的固定形式 ..............................................................................24 凸模長度的確定 ..............................................................................24 凸模強度的校核 ..............................................................................26 凹模的設計 ..................................................................................................27 凹模的刃口形式 ..............................................................................27 凹模的外形及尺寸 ..........................................................................27 模具閉合高度的校核 ..................................................................................28 卸料螺釘?shù)脑O計 ..........................................................................................28 模架的選取 ..................................................................................................29 導柱、導套的選擇 ......................................................................................29 導料銷的選擇 ............................................................................................30 螺釘及銷釘?shù)倪x擇 ....................................................................................30 ...........................................................................................31 ...........................................................................................................................32致 謝 ......................................................................................................................33參考文獻 ......................................................................................................................34附錄 ..............................................................................................................................353《刷片》的沖壓工藝及模具設計摘 要：闡述了沖壓連續(xù)模的結構設計及工作過程。通過對工件的工藝分析，先進行沖孔工序，通過沖裁力、卸料力、推件力等的計算，確定了采用級進模沖壓的方案。本模具的性能可靠，操作簡單方便，提高了沖壓產品的質量和生產的效率，降低了勞動程度和生產成本。s easy and simple to promote the quality and efficiency of the stamping product, it will reduce labor intensity and the cost of product.Key words: stamping process。 progressive die51 前言 刷片沖壓模具的課題硏究意義模具是現(xiàn)代化工業(yè)生產的重要工藝裝備，是利用其特定形狀去成型具有一定形狀和尺寸的制品的工具。作為基礎工業(yè)，模具的質量、精度、壽命對其他工業(yè)的發(fā)展起著十分重要的作用，在國際上稱為“工業(yè)之母” 。據(jù)統(tǒng)計，我國現(xiàn)有模具生產廠點已超過 1700 家，從業(yè)人員達60