數控加(jia)(jia)工(gong)(gong)確定進給(gei)(gei)速(su)(su)度(du)的(de)(de)原則：(1)當工(gong)(gong)件的(de)(de)質量(liang)要求(qiu)能夠(gou)保證時(shi)(shi)，為提高生產(chan)效率，可選(xuan)(xuan)擇較高的(de)(de)進給(gei)(gei)速(su)(su)度(du)。一般(ban)在(zai)100-200mm/min范(fan)(fan)(fan)圍內(nei)選(xuan)(xuan)取(qu)(qu)。(2)在(zai)刀斷、加(jia)(jia)工(gong)(gong)深(shen)孔或用高速(su)(su)鋼(gang)1刀具加(jia)(jia)工(gong)(gong)時(shi)(shi)，宜(yi)選(xuan)(xuan)擇較低的(de)(de)進給(gei)(gei)速(su)(su)度(du)，一般(ban)在(zai)20-50mm/min范(fan)(fan)(fan)圍內(nei)選(xuan)(xuan)取(qu)(qu)。(3)當加(jia)(jia)工(gong)(gong)精(jing)度(du)、表面粗糙度(du)要求(qiu)高時(shi)(shi)，進給(gei)(gei)速(su)(su)度(du)應選(xuan)(xuan)小些，一般(ban)在(zai)20-5Omm/min范(fan)(fan)(fan)圍內(nei)選(xuan)(xuan)取(qu)(qu)。

對于經加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)后易發(fa)生變(bian)形(xing)的(de)(de)(de)工(gong)(gong)(gong)(gong)件(jian)，由于粗(cu)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)后可能(neng)(neng)發(fa)生的(de)(de)(de)變(bian)形(xing)需要進(jin)行(xing)校形(xing)，數(shu)(shu)(shu)控(kong)cnc加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)中心，故一(yi)般(ban)來(lai)說，凡要進(jin)行(xing)粗(cu)、精(jing)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)都要將(jiang)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)分開。數(shu)(shu)(shu)控(kong)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝路線設(she)計中應注意以(yi)(yi)下幾個問題：順(shun)序(xu)(xu)(xu)的(de)(de)(de)安(an)(an)(an)排(pai)(pai)順(shun)序(xu)(xu)(xu)的(de)(de)(de)安(an)(an)(an)排(pai)(pai)應根據零件(jian)的(de)(de)(de)結構和(he)毛坯狀況，安(an)(an)(an)徽數(shu)(shu)(shu)控(kong)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)，以(yi)(yi)及定(ding)位(wei)安(an)(an)(an)裝(zhuang)與(yu)(yu)夾緊的(de)(de)(de)需要來(lai)考(kao)慮。順(shun)序(xu)(xu)(xu)安(an)(an)(an)排(pai)(pai)一(yi)般(ban)應按(an)以(yi)(yi)下原(yuan)則(ze)進(jin)行(xing)：上道(dao)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)的(de)(de)(de)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)不能(neng)(neng)影響下道(dao)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)的(de)(de)(de)定(ding)位(wei)與(yu)(yu)夾緊，中間穿(chuan)插有通用機床加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)的(de)(de)(de)也應綜合考(kao)慮；行(xing)內腔加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)，后進(jin)行(xing)外(wai)形(xing)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)；以(yi)(yi)相(xiang)同定(ding)位(wei)、夾緊方式或同一(yi)把刀(dao)具加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)工(gong)(gong)(gong)(gong)序(xu)(xu)(xu)，1好連續加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)，數(shu)(shu)(shu)控(kong)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)報價，以(yi)(yi)減(jian)少重復定(ding)位(wei)次數(shu)(shu)(shu)、換刀(dao)次數(shu)(shu)(shu)與(yu)(yu)挪動壓板次數(shu)(shu)(shu)。

機床配備的(de)數(shu)控系(xi)統(tong)，熟悉(xi)該(gai)系(xi)統(tong)的(de)NC編程包(bao)括功能代(dai)碼(ma)組成(cheng)、含義，數(shu)控cnc加(jia)工(gong)，是否有不(bu)同于ISO-1056-1975標準的(de)代(dai)碼(ma)格式(shi)。當通用后置(zhi)處理器提(ti)供(gong)的(de)數(shu)據模(mo)型不(bu)能全(quan)部滿足用戶(hu)的(de)要求，或者用戶(hu)需要優化處理NC程序時，則(ze)應用開發軟件(jian)修改數(shu)據庫(ku)模(mo)型。這就需要開發人員掌握CAM模(mo)塊的(de)使用方(fang)法，掌握刀具路(lu)徑(jing)文件(jian)的(de)格式(shi)，并具備軟件(jian)開發和加(jia)工(gong)工(gong)藝(yi)方(fang)面的(de)經驗。