【正文】 方便取出。 彈簧彈簧型號(hào)為GB/,材料為65鋼，直徑為12mm，長(zhǎng)度為50mm。把凹模支架兩側(cè)分別截掉一部分，是為了防止模具在工作時(shí)，凹模支架會(huì)轉(zhuǎn)動(dòng)。（4）壓力機(jī)的選擇：壓力機(jī)的類(lèi)型，壓力機(jī)的規(guī)格。，只需在基準(zhǔn)件上標(biāo)注尺寸和公差，配制件僅標(biāo)注基準(zhǔn)尺寸并注明配做所留間隙值。保證模具有一定的使用壽命。（?？倹_壓力F0由沖裁力F、卸料力F卸和推件力F推組成。方案一：三個(gè)小孔同時(shí)沖，一次性沖完。懸臂式?jīng)_孔模設(shè)計(jì)說(shuō)明書(shū)畢業(yè)論文目錄摘要......................................................................ⅠAbstract...................................................................Ⅱ前言.......................................................................1第1章 工藝設(shè)計(jì)............................................................3 零件介紹............................................................3....................................................3......................................................3......................................................3......................................................4第2章 工藝計(jì)算............................................................5 沖壓工藝力計(jì)算......................................................5 沖裁力計(jì)算....................................................5 卸料力........................................................5 推件力........................................................6 總沖壓力的確定................................................6 壓力中心計(jì)算........................................................6 初選壓力機(jī)..........................................................6 凸、凹模刃口尺寸計(jì)算................................................7第3章 模具各部分的設(shè)計(jì)....................................................9 模具的概要設(shè)計(jì)......................................................9 凹模的設(shè)計(jì)..........................................................9 材料及熱處理..................................................9 凹模的結(jié)構(gòu)與尺寸..............................................9 凸模的設(shè)計(jì).........................................................10 材料及熱處理.................................................10 凸模的結(jié)構(gòu)與尺寸.............................................10 凸模高度計(jì)算.................................................11 橡膠..............................................................12 凹模支架..........................................................12 固定塊............................................................13 定位銷(xiāo)............................................................13 底座..............................................................14 支座..............................................................15 其他零件..................