組合機(jī)床概述機(jī)械畢業(yè)設(shè)計(jì)說(shuō)明書(shū)
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- 機(jī)械畢業(yè)設(shè)計(jì)說(shuō)明書(shū)目 錄
摘 要 ·········································1
Abstract ········································2
第1章 緒論 ······································3
1.1 引言········································3
1.2 畢業(yè)設(shè)計(jì)目的 ····································3
1.3 組合機(jī)床概述 ····································4
第2章 組合機(jī)床總體設(shè)計(jì) ································5
2.1 工藝方案的擬定···································5
2.1.1 被加工零件的特點(diǎn)·································5
2.1.2 分析、研究被加工零件·······························5
2.1.3 組合機(jī)床總體方案論證·······························6
2.1.4 定位基準(zhǔn)及夾壓點(diǎn)選擇·······························7
2.2 確定切削用量及刀具選擇·······························7
2.2.1 刀具的選擇····································7
2.2.2 切削用量的選擇··································7
2.2.3 計(jì)算切削力 切削扭矩 切削功率 及刀具耐用度·····················9
2.2.4 確定主軸尺寸 外伸尺寸 ······························12
2.2.5 選擇接桿·····································12
2.2.6 動(dòng)力部件工作行程及循環(huán)的確定····························13
2.3 通用部件的選擇····································14
2.3.1 選用滑臺(tái)形式···································14
2.3.2 選液壓滑臺(tái)的型號(hào)·································15
2.3.3 選動(dòng)力箱型號(hào)···································15
2.3.4 機(jī)床裝料高度的確定································16
2.3.5 中間底座尺寸的確定································16
2.4 生產(chǎn)率計(jì)算卡·····································17
3 組合機(jī)床夾具設(shè)計(jì)····································20
3.1 夾具設(shè)計(jì)的基本要求和步驟······························20
3.1.1 夾具設(shè)計(jì)的基本要求································20
3.1.2 夾具設(shè)計(jì)的步驟···································20
3.2 定位方案的確定····································21
3.2.1 零件的工藝性分析·································21
3.2.2 定位方案的論證··································21
3.2.3 導(dǎo)向裝置·····································21
3.3 夾緊方案的確定···································23
3.3.1 夾緊裝置的確定··································23
3.3.2 夾緊方案論證···································23
3.3.3 夾緊力確定····································23
3.4 誤差分析······································25
3.5 繪制夾具裝配圖及零件圖·······························28
4 結(jié)論··········································29
參考文獻(xiàn)·········································30
致謝 ··········································31
附錄 ··········································34
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