【正文】 .........................2 數(shù)控加工的概念 ................................................................................................................3 數(shù)控機(jī)床的分類 ................................................................................................................3 按加工工藝方法分類 ...............................................................................................3 按控制運(yùn)動軌跡分類 ...............................................................................................4 按驅(qū)動裝置的特點(diǎn)分類 ...........................................................................................4 數(shù)控車削加工工藝 ............................................................................................................5 合理選擇切削用量 ....................................................................................................5 夾具安裝要點(diǎn) .............................................................................................................6 數(shù)控車床加工程序編程 ........................................................................................6 數(shù)控車床的組成和工作原理 ..........................................................................................7 車床主體 ......................................................................................................................7 數(shù)控裝置和伺服系統(tǒng) ...............................................................................................7 數(shù)控車床安全操作規(guī)程 ...................................................................................................7 數(shù)控車床坐標(biāo)系的確定 ...................................................................................................8 運(yùn)動方向確定 .....................................................................................................................9第 3章 套筒類零件的結(jié)構(gòu)特點(diǎn)及工藝分析 ............................................................10 軸承套加工工藝 ...............................................................................................................10 軸承套技術(shù)條件和工程分析 ................................................................................10 軸承套的加工工藝 ..................................................................................................11 液壓缸加工工藝分析 ......................................................................................................11 液壓缸的技術(shù)條件和工程分析 ...........................................................................11 液壓缸的加工工藝 ...................................................................................................12 套類零件的加工 ...............................................................................................................13 套類零件加工刀具的刃磨 ............................................................................................13 麻花鉆 .................................................................................................................................14 麻花鉆的組成（圖 34） .....................................................................................14 麻花鉆工作部分的幾何形狀 ................................................................................14 套類零件加工過程中的主要工藝問題 .....................................................................14 保證相互位置精度 ..................................................................................................15第 4章 套類零件的編程與分析 ................................................................................16 材料選擇與分析 ..............................................................................................................16 套類零件的裝夾方案 .....................................................................................................17 刀具的選擇 .......................................................................................................................17 切削用量的選擇 ..............................................................................................................17 切削液的選擇 ...................................................................................................................17 填寫加工刀具和工藝卡 ....................................................................................18第 5章 套類零件加工過程及結(jié)果分析 ....................................................................19 加工過程 ............................................................................................................................19 零件加工結(jié)果 ...................................................................................................................19 原因分析 ............................................................................................................................19 解決方法 ............................................................................................................................19結(jié) 論 ............................................................................................................................20參考文獻(xiàn) ......................................................................................................................21謝 辭 ..........................................................................................................................22附 錄 A ..............................................