因此程序(xu)(xu)不能太(tai)長，一道(dao)工(gong)(gong)(gong)序(xu)(xu)的內容不能太(tai)多。數(shu)控加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝路線設計中(zhong)應注(zhu)意以(yi)下幾個(ge)問題(ti)：工(gong)(gong)(gong)序(xu)(xu)的劃分(fen)：根據(ju)數(shu)控加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)的特點(dian)，數(shu)控加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)序(xu)(xu)的劃分(fen)一般可(ke)按(an)下列方法(fa)進(jin)行：以(yi)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)部(bu)(bu)位劃分(fen)工(gong)(gong)(gong)序(xu)(xu)。對(dui)于加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)內容很多的工(gong)(gong)(gong)件，可(ke)按(an)其結構特點(dian)將加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)部(bu)(bu)位分(fen)成幾個(ge)部(bu)(bu)分(fen)，如內腔、外(wai)形、曲面或平面，并將每一部(bu)(bu)分(fen)的加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)作為一道(dao)工(gong)(gong)(gong)序(xu)(xu)。以(yi)粗、精加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)劃分(fen)工(gong)(gong)(gong)序(xu)(xu)。

生產中，平(ping)面輪廓的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)，cnc數(shu)(shu)控精密(mi)加(jia)(jia)工(gong)(gong)(gong)，常(chang)采(cai)(cai)用(yong)(yong)立銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)；銑(xian)(xian)(xian)削平(ping)面時(shi)，池州數(shu)(shu)控加(jia)(jia)工(gong)(gong)(gong)，應(ying)選(xuan)(xuan)鑲(xiang)(xiang)硬(ying)質合(he)金(jin)刀(dao)(dao)(dao)(dao)片(pian)面銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)；加(jia)(jia)工(gong)(gong)(gong)毛坯(pi)表(biao)面或粗加(jia)(jia)工(gong)(gong)(gong)孔時(shi)，可選(xuan)(xuan)取鑲(xiang)(xiang)硬(ying)質合(he)金(jin)刀(dao)(dao)(dao)(dao)片(pian)的(de)(de)(de)銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)；對一些立體型(xing)面和變斜角輪廓外形的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)，常(chang)采(cai)(cai)用(yong)(yong)球頭銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)、環形銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)、錐形銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)和梯(ti)形銑(xian)(xian)(xian)刀(dao)(dao)(dao)(dao)等。數(shu)(shu)控加(jia)(jia)工(gong)(gong)(gong)刀(dao)(dao)(dao)(dao)具(ju)的(de)(de)(de)選(xuan)(xuan)擇(ze)：刀(dao)(dao)(dao)(dao)具(ju)的(de)(de)(de)選(xuan)(xuan)擇(ze)應(ying)根據機(ji)床(chuang)的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)能(neng)力、工(gong)(gong)(gong)件材料的(de)(de)(de)性能(neng)、加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)序(xu)、切削用(yong)(yong)量以及其它(ta)相關因素正確選(xuan)(xuan)用(yong)(yong)刀(dao)(dao)(dao)(dao)具(ju)及刀(dao)(dao)(dao)(dao)柄。

數(shu)控加工知(zhi)識(shi)在FANUC系統中的(de)子程序(xu)有兩種格式：（1）P0000000位(wei)(wei)指循環次(ci)數(shu)，后四位(wei)(wei)為(wei)程序(xu)號；（2）P0000L000位(wei)(wei)為(wei)程序(xu)號，大(da)型數(shu)控車床加工，L后面三位(wei)(wei)為(wei)循環次(ci)數(shu)。圓(yuan)弧(hu)(hu)起點(dian)不變，終點(dian)Z方(fang)向(xiang)偏移a個mm，則圓(yuan)弧(hu)(hu)底徑(jing)位(wei)(wei)置偏移a/2。在打(da)深孔的(de)時候鉆(zhan)頭不磨(mo)切削(xue)槽以方(fang)便鉆(zhan)頭排屑(xie)。如果是用(yong)做(zuo)的(de)工裝用(yong)刀(dao)架打(da)眼，可以轉動鉆(zhan)頭，可以改變打(da)出的(de)孔徑(jing)。