數(shù)控車(chē)床編程實(shí)例解析

1、數(shù)控車(chē)床編程實(shí)例解析（doc 8頁(yè)）1.根據(jù)零件圖樣要求、毛坯情況，確定工藝方案及加工路線1) 對(duì)細(xì)長(zhǎng)軸類(lèi)零件，軸心線為工藝基準(zhǔn)，用三 爪自定心卡盤(pán)夾持p58mm外圓一頭，使工件伸出 卡盤(pán)175mm,用頂尖頂持另一頭，一次裝夾完成 粗精加工(注：切斷時(shí)將頂尖退出)。2) 工步順序 粗車(chē)外圓?；静捎秒A梯切削路線，粗車(chē)p56 mm、S(pS50mm、(p36mm、WO 長(zhǎng)為10mm的圓錐段，pa 自右向左精車(chē)各外圓面：螺紋段右倒角-切 削螺紋段外圓p30nnn-車(chē)錐長(zhǎng)10mm的圓錐-車(chē) (p36mm圓柱段t車(chē)(p56nnn圓柱段。 車(chē)5mmx(p26nim螺紋退刀槽，倒螺紋段左倒角, 車(chē)錐長(zhǎng)10

2、mm的圓錐以及車(chē)5mmx(p34mm的槽。 車(chē)螺紋。 自右向左粗車(chē) R15mm、R25mm、S(p50mm、R15muIlinmu111皿各外圓段以及錐 lmm的余量。inninnmilIIIIIIlin弧面及30啲圓錐面。 自右向左精車(chē) R15mm. R25mm. S(p50nim R15切斷。2. 選擇機(jī)床設(shè)備根據(jù)零件圖樣要求，選用經(jīng)濟(jì)型數(shù)控車(chē)床即 可達(dá)到要求。故選用CK0630型數(shù)控臥式車(chē)床。3. 選擇刀具根據(jù)加工要求，選用三把刀具，T01為粗加工刀，選90鄉(xiāng)卜圓車(chē)刀，T03為切槽刀，刀寬為3IIIII,T05為螺紋刀。同時(shí)把三把刀在自動(dòng)換刀刀架上安裝好，且都對(duì)好刀，把它們的刀偏值輸入相

3、應(yīng)的刀具參數(shù) 中。4. 確定切削用量切削用量的具體數(shù)值應(yīng)根據(jù)該機(jī)床性能、相 關(guān)的手冊(cè)并結(jié)合實(shí)際經(jīng)驗(yàn)確定，詳見(jiàn)加工程序。5. 確定工件坐標(biāo)系、對(duì)刀點(diǎn)和換刀點(diǎn)確定以工件左端面與軸心線的交點(diǎn)O為工 件原點(diǎn)，建立XOZ工件坐標(biāo)系。采用手動(dòng)試切對(duì)刀方法（操作與上面數(shù)控車(chē) 床的對(duì)刀方法相同）把點(diǎn)o作為對(duì)刀點(diǎn)。換刀點(diǎn)設(shè)置在工件坐標(biāo)系下X70、Z30處。6.編寫(xiě)程序（該程序用于CK0630車(chē)床）按該機(jī)床規(guī)定的指令代碼和程序段格式，把加工零件的全部工藝過(guò)程編寫(xiě)成程序清單。該工件的加工程序如下：N0010G59X0Z195N0020G90N0030G92X70Z30N0040M03S450N0050M06T01N

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