數(shu)(shu)控(kong)(kong)車床的定位精(jing)度(du)(du)和重復（repeat)定位精(jing)度(du)(du)都(dou)很高(gao)(gao)，較容易保證(zheng)一批零件(jian)(jian)尺寸的一致性，只要工(gong)(gong)(gong)藝設計(ji)和程序正(zheng)確(que)合理，加(jia)(jia)之精(jing)心操作，就(jiu)可(ke)以保證(zheng)零件(jian)(jian)獲得較高(gao)(gao)的加(jia)(jia)工(gong)(gong)(gong)精(jing)度(du)(du)，也便(bian)于(yu)對CNC加(jia)(jia)工(gong)(gong)(gong)數(shu)(shu)控(kong)(kong)車床加(jia)(jia)工(gong)(gong)(gong)過程實行(xing)質量控(kong)(kong)制。CNC加(jia)(jia)工(gong)(gong)(gong)數(shu)(shu)控(kong)(kong)車床加(jia)(jia)工(gong)(gong)(gong)特(te)點CNC加(jia)(jia)工(gong)(gong)(gong)數(shu)(shu)控(kong)(kong)車床加(jia)(jia)工(gong)(gong)(gong)生產(Produce)。CNC加(jia)(jia)工(gong)(gong)(gong)數(shu)(shu)控(kong)(kong)車床加(jia)(jia)工(gong)(gong)(gong)是能再一次(ci)裝夾中加(jia)(jia)工(gong)(gong)(gong)多個加(jia)(jia)工(gong)(gong)(gong)表面，一般只檢測(ce)首件(jian)(jian)，所(suo)以可(ke)以省區(qu)普通車床加(jia)(jia)工(gong)(gong)(gong)時的不少中間工(gong)(gong)(gong)序，安徽數(shu)(shu)控(kong)(kong)加(jia)(jia)工(gong)(gong)(gong)，如劃線、尺寸檢測(ce)等，減少了輔助時間，而且(qie)由于(yu)CNC加(jia)(jia)工(gong)(gong)(gong)數(shu)(shu)控(kong)(kong)車床加(jia)(jia)工(gong)(gong)(gong)出(chu)的零件(jian)(jian)質量穩定，為后續工(gong)(gong)(gong)序帶來(lai)方便(bian)，精(jing)密(mi)數(shu)(shu)控(kong)(kong)加(jia)(jia)工(gong)(gong)(gong)，其(qi)綜合效率明(ming)顯提高(gao)(gao)。

例如，軸(zhou)類零件(jian)加(jia)工(gong)(gong)(gong)時，通常先(xian)(xian)加(jia)工(gong)(gong)(gong)中心(xin)孔(kong)，再(zai)以中心(xin)孔(kong)為精(jing)基(ji)準加(jia)工(gong)(gong)(gong)外園表(biao)面(mian)(mian)(mian)(mian)和端面(mian)(mian)(mian)(mian)。cnc數(shu)控加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)序的安排：先(xian)(xian)主(zhu)后(hou)次(ci)原則：應先(xian)(xian)加(jia)工(gong)(gong)(gong)零件(jian)的主(zhu)要(yao)工(gong)(gong)(gong)作表(biao)面(mian)(mian)(mian)(mian)、裝(zhuang)配基(ji)面(mian)(mian)(mian)(mian)，從而(er)及(ji)早發現(xian)毛坯中主(zhu)要(yao)表(biao)面(mian)(mian)(mian)(mian)可(ke)能(neng)出(chu)現(xian)代缺陷。次(ci)要(yao)表(biao)面(mian)(mian)(mian)(mian)可(ke)穿插進(jin)行(xing)，放(fang)在主(zhu)要(yao)加(jia)工(gong)(gong)(gong)表(biao)面(mian)(mian)(mian)(mian)加(jia)工(gong)(gong)(gong)到一定(ding)程度后(hou)、終(zhong)精(jing)加(jia)工(gong)(gong)(gong)之前進(jin)行(xing)。先(xian)(xian)面(mian)(mian)(mian)(mian)后(hou)孔(kong)原則：箱體(ti)、支架類零件(jian)的平(ping)面(mian)(mian)(mian)(mian)輪廓(kuo)尺寸較大，一般(ban)先(xian)(xian)加(jia)工(gong)(gong)(gong)平(ping)面(mian)(mian)(mian)(mian)，cnc數(shu)控加(jia)工(gong)(gong)(gong)中心(xin)，再(zai)加(jia)工(gong)(gong)(gong)孔(kong)和其他尺寸。

數控(kong)加工切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)速(su)度(du)與切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)對刀(dao)(dao)具(ju)(ju)的(de)(de)影響至關重要，切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)過大(da)使(shi)(shi)刀(dao)(dao)具(ju)(ju)崩掉的(de)(de)主(zhu)要原因(yin)。切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)速(su)度(du)與切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)的(de)(de)關系：切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)速(su)度(du)越(yue)快時進給不(bu)變，切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)緩慢減(jian)小，同時切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)速(su)度(du)越(yue)快會(hui)使(shi)(shi)刀(dao)(dao)具(ju)(ju)磨(mo)損的(de)(de)越(yue)快，使(shi)(shi)切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)越(yue)來(lai)越(yue)大(da)，溫度(du)也會(hui)越(yue)來(lai)越(yue)高(gao)，當切(qie)(qie)(qie)(qie)削(xue)(xue)(xue)(xue)力(li)和(he)內(nei)部應力(li)大(da)到刀(dao)(dao)片承受不(bu)了時，便會(hui)山崩刀(dao)(dao)（當然這其中也有溫度(du)的(de)(de)變化(hua)所產生的(de)(de)應力(li)和(he)硬度(du)的(de)(de)下降(jiang)等原因(yin)）。