彎曲板件的沖壓成形工藝及模具設(shè)計(jì)【帶孔斜口U形件彎曲模含13張CAD圖】
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目 錄1 緒 論 .................................................................................................................................11.1 國內(nèi)模具的現(xiàn)狀和發(fā)展趨勢(shì) .............................................................................................11.1.1 國內(nèi)模具的現(xiàn)狀 ............................................................................................................11.1.2 國內(nèi)模具的發(fā)展趨勢(shì) ....................................................................................................21.2 國外模具的現(xiàn)狀和發(fā)展趨勢(shì) .............................................................................................31.3 彎曲板件模具設(shè)計(jì)與制造方面 .........................................................................................31.3.1 彎曲板件模具設(shè)計(jì)的設(shè)計(jì)思路 ....................................................................................31.3.2 彎曲板模具設(shè)計(jì)的進(jìn)度 ................................................................................................42 彎曲板彎曲工藝的分析 .....................................................................................................52.1 彎曲件工藝分析 .................................................................................................................52.2 工藝方案確定 .....................................................................................................................53 主要設(shè)計(jì)計(jì)算 .......................................................................................................................73.1 計(jì)算毛坯尺寸 .....................................................................................................................73.2 彎曲應(yīng)力的計(jì)算 .................................................................................................................73.3 壓力機(jī)公稱壓力的確定 ....................................................................................................83.4 彎曲模工作部分尺寸的設(shè)計(jì) .............................................................................................83.4.1 凸模圓角半徑的設(shè)計(jì) tr..............................................................................................83.4.2 凹模圓角半徑 A........................................................................................................83.4.3 凹模深度 0l...............................................................................................................93.4.4 凸、凹模間隙計(jì)算 ...................................................................................................103.4.5 U 形彎曲凸、凹模橫向尺寸的設(shè)計(jì) ......................................................................103.5 彎曲回彈 ..........................................................................................................................114 模具總體設(shè)計(jì) .....................................................................................................................124.1 模具類型的選擇 ..............................................................................................................124.2 定位方式的選擇 ..............................................................................................................124.3 卸料、出件方式的選擇 ..................................................................................................124.4 導(dǎo)向方式 .........................................................................................................................124.5 主要零部件設(shè)計(jì) ..............................................................................................................124.5.1 工作零件的結(jié)構(gòu)設(shè)計(jì) .................................................................................................124.5.2 斜楔的設(shè)計(jì) .................................................................................................................135 壓力機(jī)的參數(shù)與較核 ...........................................................................................................156 模具總裝圖 ...........................................................................................................................167 模具的安裝與調(diào)試要求 .......................................................................................................18小 結(jié) ...................................................................................................................................22致 謝 ...................................................................................................................................23參考文獻(xiàn) ...................................................................................................................................24插圖清單圖 2-1 工件圖…………………………………………………………………………5圖 3-1 凹模深度示意圖………………………………………………………………9圖 3-2 凹模橫向尺寸示意圖…………………………………………………………10圖 4-1 彎曲凸?！?3圖 4-2 活動(dòng)凹模………………………………………………………………………13圖 4-3 斜楔……………………………………………………………………………14圖 6-1 總裝圖…………………………………………………………………………16