ZL50裝載機(jī)總體及工作裝置設(shè)計
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山東建筑大學(xué)畢業(yè)設(shè)計說明書
目 錄
摘要····································································Ⅲ
ABSTRACT····························································Ⅳ
1 前 言
1.1 課題的特點及研究意義·················································1
1.2 模具發(fā)展行業(yè)的研究現(xiàn)狀················································1
1.3 課題設(shè)計思路及研究內(nèi)容···············································2
2 工藝分析及計算
2.1 引言··································································3
2.2 沖壓件工藝分析························································3
2.3 沖壓件工藝方案的確定··················································3
2.4 沖壓件工藝計算························································4
2.4.1 修邊余量的確定·····················································4
2.4.2計算毛坯直徑························································4
2.4.3 排樣及搭邊·························································7
2.4.4 拉深次數(shù)的確定·····················································7
2.4.5 拉深凹模圓角的確定·················································8
3 模具設(shè)計
3.1 落料拉深模具設(shè)計······················································9
3.1.1 落料拉深凸凹模結(jié)構(gòu)的確定及有關(guān)尺寸的計算···························9
3.1.2 落料凹模結(jié)構(gòu)的確定················································10
3.1.3 拉深凸模結(jié)構(gòu)的確定及有關(guān)尺寸的計算································11
3.1.4 拉深凹模結(jié)構(gòu)形式的選擇············································12
3.1.5 其他零件的選擇····················································13
3.1.6 閉合高度的計算····················································14
3.1.7 沖裁力的計算及壓力機(jī)的選擇········································15
3.1.8 模具總裝圖························································18
3.2 二次拉伸模具設(shè)計·····················································19
3.2.1 拉深凸模和凹模結(jié)構(gòu)的確定及有關(guān)尺寸的計算··························19
3.2.2 確定是否使用壓邊圈················································20
3.2.3 其他零件的選擇····················································20
3.2.4 閉合高度的計算····················································22
3.2.5 拉深力的計算及壓力機(jī)的選擇········································22
3.2.6 模具總裝圖························································23
3.3 切邊模具設(shè)計·························································23
3.3.1 切邊凸模結(jié)構(gòu)的確定及有關(guān)尺寸的計算································23
3.3.2 切邊凹模結(jié)構(gòu)的確定及有關(guān)尺寸的計算································23
3.3.3 廢料切刀··························································23
3.3.4 上下模座及導(dǎo)柱導(dǎo)套的選擇··········································24
3.3.5 閉合高度的計算····················································24
3.3.6 切邊力的計算及壓力機(jī)的選擇········································26
3.3.7 模具總裝圖························································27
4 結(jié) 論································································29
謝 辭··································································30
參考文獻(xiàn)·······························································31