CNC數控車床按鈕及開關檢查，操作面板上按鈕及開關檢查，檢查操作面板上所有按鈕，開關，指示燈的接線，發現有誤應立即處理，檢查CRT單元上的插座及接線。地線檢查，要求有良好的地線，測量機床地線，接地電阻不能大于1Ω。電源相序檢查用相序表檢查輸入電源的相序，確認輸入電源的相序與機床上各處標定的電源相序應一致。有二次接線的設備，如電源變壓器等，必須確認二次接線的相序的一致性。要保證各處相序的正確。此時應測量電源電壓，做好記錄。

  CNC數控車床總電(dian)(dian)壓(ya)(ya)的(de)接(jie)通(tong)，接(jie)通(tong)機(ji)床總電(dian)(dian)源，檢查CNC電(dian)(dian)箱，主軸(zhou)電(dian)(dian)機(ji)冷卻(que)風(feng)扇，機(ji)床電(dian)(dian)器箱冷卻(que)風(feng)扇的(de)轉向是(shi)否正確，潤滑，液壓(ya)(ya)等處的(de)油(you)標志(zhi)指(zhi)示以及機(ji)床照明(ming)燈是(shi)否正常(chang)(chang)，各熔斷器有無損壞，如有異常(chang)(chang)應立即(ji)停(ting)電(dian)(dian)檢修(xiu)，無異常(chang)(chang)可(ke)以繼續進行。測量強電(dian)(dian)各部分的(de)電(dian)(dian)壓(ya)(ya)特別(bie)是(shi)供CNC及伺(si)服單元用的(de)電(dian)(dian)源變壓(ya)(ya)器的(de)初次級電(dian)(dian)壓(ya)(ya)，并作(zuo)好(hao)記錄(lu)。 觀察(cha)有無漏(lou)油(you)，特別(bie)是(shi)供轉塔轉位、卡(ka)緊，主軸(zhou)換檔(dang)的(de)以及卡(ka)盤卡(ka)緊等處的(de)液壓(ya)(ya)缸和(he)電(dian)(dian)磁(ci)閥(fa)。如有漏(lou)油(you)應立即(ji)停(ting)電(dian)(dian)修(xiu)理(li)或更換。

  CNC數控車床電(dian)(dian)(dian)箱檢查，打(da)開CNC電(dian)(dian)(dian)箱門，檢查各(ge)(ge)類(lei)接(jie)(jie)口插座(zuo)，伺服電(dian)(dian)(dian)機(ji)(ji)反饋線(xian)(xian)插座(zuo)，主軸脈(mo)沖發(fa)(fa)生器(qi)插座(zuo)，手搖脈(mo)沖發(fa)(fa)生器(qi)插座(zuo)，CRT插座(zuo)等，如(ru)有(you)松動(dong)要(yao)(yao)重(zhong)(zhong)新(xin)(xin)插好，有(you)鎖緊(jin)(jin)(jin)機(ji)(ji)構的(de)一(yi)(yi)定(ding)(ding)要(yao)(yao)鎖緊(jin)(jin)(jin)。按照說明書檢查各(ge)(ge)個(ge)(ge)印刷(shua)線(xian)(xian)路板上的(de)短(duan)路端(duan)(duan)子(zi)(zi)的(de)設(she)置(zhi)情況，一(yi)(yi)定(ding)(ding)要(yao)(yao)符合機(ji)(ji)床生產(chan)(chan)廠(chang)設(she)定(ding)(ding)的(de)狀(zhuang)態，確實(shi)有(you)誤的(de)應重(zhong)(zhong)新(xin)(xin)設(she)置(zhi)，一(yi)(yi)般情況下無需重(zhong)(zhong)新(xin)(xin)設(she)置(zhi)，但用(yong)戶一(yi)(yi)定(ding)(ding)要(yao)(yao)對短(duan)路端(duan)(duan)子(zi)(zi)的(de)設(she)置(zhi)狀(zhuang)態做好原(yuan)始(shi)記(ji)錄。接(jie)(jie)線(xian)(xian)質(zhi)量(liang)檢查，檢查所有(you)的(de)接(jie)(jie)線(xian)(xian)端(duan)(duan)子(zi)(zi)。包括強弱(ruo)電(dian)(dian)(dian)部分(fen)在(zai)裝(zhuang)配時(shi)(shi)機(ji)(ji)床生產(chan)(chan)廠(chang)自行接(jie)(jie)線(xian)(xian)的(de)端(duan)(duan)子(zi)(zi)及各(ge)(ge)電(dian)(dian)(dian)機(ji)(ji)電(dian)(dian)(dian)源(yuan)線(xian)(xian)的(de)接(jie)(jie)線(xian)(xian)端(duan)(duan)子(zi)(zi)，每個(ge)(ge)端(duan)(duan)子(zi)(zi)都(dou)要(yao)(yao)用(yong)旋具緊(jin)(jin)(jin)固一(yi)(yi)次，直到用(yong)旋具擰不動(dong)為止，各(ge)(ge)電(dian)(dian)(dian)機(ji)(ji)插座(zuo)一(yi)(yi)定(ding)(ding)要(yao)(yao)擰緊(jin)(jin)(jin)。電(dian)(dian)(dian)磁閥(fa)檢查 所有(you)電(dian)(dian)(dian)磁閥(fa)都(dou)要(yao)(yao)用(yong)手推動(dong)數次，以(yi)防(fang)止長時(shi)(shi)間不通電(dian)(dian)(dian)造成(cheng)的(de)動(dong)作不良，如(ru)發(fa)(fa)現(xian)異常，應作好記(ji)錄，以(yi)備(bei)通電(dian)(dian)(dian)后確認修理或更換。 

  CNC數控車床限位開關檢查 檢查所有限位開關動作(zuo)的靈活及固定性是否牢固，發(fa)現動作(zuo)不(bu)良或固定不(bu)牢的應(ying)立即處理(li)。