目 錄
1 緒論...................................................................1
1.1 電火花加工的產(chǎn)生和加工原理......................................... 1
1.1.1電火花加工的來(lái)源...............................................1
1.1.2電火花加工的物理本質(zhì)和工作原理................................ 1
1.2 電火花加工的現(xiàn)狀及發(fā)展..............................................4
1.2.1電火花線切割加工的現(xiàn)狀.........................................4
1.2.2電火花線切割機(jī)的發(fā)展策略.......................................5
1.2.3設(shè)計(jì)過(guò)程......................................................6

2 工作臺(tái)設(shè)計(jì)方案及其分析.................................................7
2.1 數(shù)控電火花線切割機(jī)床的機(jī)構(gòu)組成及其作用.............................7
2.2 坐標(biāo)工作臺(tái)的組成...................................................8
2.3 主要參數(shù)...........................................................9
2.4 方案確定...........................................................9
2.4.1 床身結(jié)構(gòu)....................................................9
2.4.2 X-Y工作臺(tái)..................................................9
2.5 坐標(biāo)工作臺(tái)的的傳動(dòng)精度對(duì)工藝指標(biāo)的影響...........................11

3 結(jié)構(gòu)設(shè)計(jì)..............................................................12
3.1 工作臺(tái)外形尺寸及重量計(jì)算..........................................12
3.2 滾珠絲杠副的設(shè)計(jì)計(jì)算..............................................13
3.3 導(dǎo)軌的確定........................................................15
3.4 步進(jìn)電機(jī)的選用....................................................17
3.5 軸承的設(shè)計(jì)計(jì)算....................................................18
3.6 X向齒輪副的選用..................................................19
3.7 Y向齒輪副的選用..................................................25

結(jié)論.....................................................................30
致謝.....................................................................31
參考文獻(xiàn).................................................................32