【正文】 program design, which will determine the overall layout of the machine. Subsequently, the spindle ponents of the design. Spindle ponents in the design, a spindle for clues to meet stiffness and precision requirements, the pletion of the other (eg, bearings, Axial adjustment, locking, etc.) all parts of the design. Keywords: Modular Machine, spindle ponents, stiffness, spindle, bearings, axial adjustment 目 錄 摘要 ............................................................................................................................... 1 ABSTRACT ....................................................................................................................... 2 前言 ............................................................................................................................. Ⅰ 第 1 章 機(jī)床總體設(shè)計 ............................................................................................... 1 機(jī)床總體方案設(shè)計的依據(jù) ......................................................................... 1 工件 ............................................................................................... 1 刀具 ............................................................................................... 1 .............................................................................................. 1 工藝方法的確定 ................................................................................ 1 機(jī)床總體布局 .................................................................................. 2 機(jī)床運(yùn)動的確定 ............................................................................... 2 ......................................................................... 3 確定工件余量 ................................................................................... 3 選擇切削用量 ................................................................................... 3 運(yùn)動參數(shù) ......................................................................................... 3 主軸最高，最低轉(zhuǎn)速 ..................................................................... 3 主軸轉(zhuǎn)速的合理排列 ..................................................................... 4 動力參數(shù) — 主運(yùn)動驅(qū)動電動機(jī)功率的確定 ............................................... 4 切削力的計算 .............................................................................. 5 切削功率的計算 ........................................................................... 5 估算電動機(jī)功 率 ........................................................................... 5 選擇主電機(jī) ................................................................................. 5 ................................................................... 5 第 2 章 主軸組件設(shè)計 ............................................................................................... 6 ..................................................................................... 6 旋轉(zhuǎn)精度 ......................................................................................... 6 剛度 ............................................................................................... 6 抗振性 ............................................................................................ 7 抵抗受迫振動的能力 ..................................................................... 8 抵抗切削自激振動的能力 ............................................................... 8 溫升和熱變形 ................................................................................... 8 耐磨性 ............................................................................................ 9 其他 ............................................................................................... 9 ..................................................................................... 9 適應(yīng)剛度和承載能力的要求 ................................................................ 10 適應(yīng)轉(zhuǎn)速要求 ................................................................................. 11 適應(yīng)精度的要求 .............................................................................. 11 適應(yīng)結(jié)構(gòu)的要求 .............................................................................. 11 適應(yīng)經(jīng)濟(jì)性要求 .............................................................................. 11 ............................................................................. 12 ............................................................................. 13 ................................................................................... 13 軸頸 ............................................................................................. 13 內(nèi)錐孔 .......................................................................................... 14 ................................................................................... 14 主軸直徑的選擇 .............................................................................. 14 主軸前后支承軸承的選擇 .................................................................. 15 主軸前支承軸承的選擇 ................................................................ 15 主軸后支承軸承的選擇 ................................................................ 16 主軸內(nèi)孔直徑 ................................................................................. 16 主軸前端懸伸量 .............................................................................. 17 主軸支承跨距 ................................................................................. 18 ......................................................................................... 18 ................................................................................... 18 主軸端部撓 度 ................................................................................. 19 支承的簡化 ............................................................................... 19 主軸的撓度 ....................................................................