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五軸(zhou)(zhou)(zhou)(zhou)(zhou)CNC加(jia)(jia)(jia)工(gong)(gong)是數控(kong)機床加(jia)(jia)(jia)工(gong)(gong)的(de)(de)(de)一(yi)種(zhong)模式，我們現在平時使用(yong)的(de)(de)(de)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)一(yi)般都是三軸(zhou)(zhou)(zhou)(zhou)(zhou)三聯動的(de)(de)(de)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，三軸(zhou)(zhou)(zhou)(zhou)(zhou)是指(zhi)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)的(de)(de)(de)X軸(zhou)(zhou)(zhou)(zhou)(zhou)、Y軸(zhou)(zhou)(zhou)(zhou)(zhou)和Z軸(zhou)(zhou)(zhou)(zhou)(zhou)，當(dang)然還有四軸(zhou)(zhou)(zhou)(zhou)(zhou)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)，四軸(zhou)(zhou)(zhou)(zhou)(zhou)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)指(zhi)的(de)(de)(de)是X軸(zhou)(zhou)(zhou)(zhou)(zhou)、Y軸(zhou)(zhou)(zhou)(zhou)(zhou)、Z軸(zhou)(zhou)(zhou)(zhou)(zhou)和A軸(zhou)(zhou)(zhou)(zhou)(zhou)，這(zhe)里(li)的(de)(de)(de)A軸(zhou)(zhou)(zhou)(zhou)(zhou)指(zhi)的(de)(de)(de)是圍繞X軸(zhou)(zhou)(zhou)(zhou)(zhou)旋(xuan)轉的(de)(de)(de)那一(yi)個(ge)軸(zhou)(zhou)(zhou)(zhou)(zhou)。五軸(zhou)(zhou)(zhou)(zhou)(zhou)加(jia)(jia)(jia)工(gong)(gong)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)指(zhi)的(de)(de)(de)是除了X軸(zhou)(zhou)(zhou)(zhou)(zhou)、Y軸(zhou)(zhou)(zhou)(zhou)(zhou)、Z軸(zhou)(zhou)(zhou)(zhou)(zhou)這(zhe)三軸(zhou)(zhou)(zhou)(zhou)(zhou)以(yi)外(wai)還有B軸(zhou)(zhou)(zhou)(zhou)(zhou)，B軸(zhou)(zhou)(zhou)(zhou)(zhou)是指(zhi)圍繞Y軸(zhou)(zhou)(zhou)(zhou)(zhou)的(de)(de)(de)的(de)(de)(de)一(yi)個(ge)旋(xuan)轉軸(zhou)(zhou)(zhou)(zhou)(zhou)。這(zhe)一(yi)技術已經(jing)在船舶、航(hang)空航(hang)天(tian)、汽車、輕(qing)工(gong)(gong)、醫療等高精(jing)密(mi)儀器制作的(de)(de)(de)領域廣泛應(ying)用(yong)。

1、減少加工時間

傳(chuan)統模(mo)具(ju)加(jia)工(gong)(gong)(gong)中(zhong)普遍(bian)采用(yong)三(san)軸(zhou)加(jia)工(gong)(gong)(gong)中(zhong)心和立式加(jia)工(gong)(gong)(gong)中(zhong)心來完成工(gong)(gong)(gong)件(jian)(jian)的(de)銑削加(jia)工(gong)(gong)(gong)，隨著模(mo)具(ju)制造加(jia)工(gong)(gong)(gong)技術的(de)發展，傳(chuan)統模(mo)具(ju)加(jia)工(gong)(gong)(gong)普遍(bian)使用(yong)的(de)球頭銑刀，雖然(ran)好(hao)處很明顯，但如應用(yong)立式加(jia)工(gong)(gong)(gong)中(zhong)心，其(qi)底面線(xian)速則(ze)為零(ling)(ling)，光潔度也較差(cha)，這(zhe)樣傳(chuan)統模(mo)具(ju)加(jia)工(gong)(gong)(gong)的(de)弱點(dian)就逐漸(jian)顯現出(chu)來。而(er)五軸(zhou)加(jia)工(gong)(gong)(gong)可以不改(gai)變工(gong)(gong)(gong)件(jian)(jian)在機床(chuang)上的(de)位置(zhi)而(er)對(dui)工(gong)(gong)(gong)件(jian)(jian)的(de)不同側(ce)面進行加(jia)工(gong)(gong)(gong)，可大大提高棱柱形零(ling)(ling)件(jian)(jian)的(de)加(jia)工(gong)(gong)(gong)效率。

在五軸加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中，采用平底端(duan)銑(xian)(xian)刀，對(dui)復(fu)雜的(de)(de)模具(ju)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)表(biao)面(mian)(mian)(mian)保持垂直的(de)(de)一種(zhong)狀態(tai)，能夠大幅(fu)減少加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)的(de)(de)時間。五軸加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中心的(de)(de)原理，還適用帶(dai)有角(jiao)度表(biao)面(mian)(mian)(mian)的(de)(de)側面(mian)(mian)(mian)銑(xian)(xian)削(xue)(xue)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)，可以消除由球(qiu)端(duan)立銑(xian)(xian)刀加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)導致(zhi)的(de)(de)肋骨狀紋路，使得模具(ju)的(de)(de)表(biao)面(mian)(mian)(mian)質量(liang)更加(jia)(jia)(jia)(jia)理想(xiang)，也(ye)削(xue)(xue)減了因清理模具(ju)表(biao)面(mian)(mian)(mian)需要增加(jia)(jia)(jia)(jia)人工(gong)(gong)(gong)銑(xian)(xian)削(xue)(xue)以及手(shou)工(gong)(gong)(gong)作業(ye)的(de)(de)工(gong)(gong)(gong)作量(liang)。

2、生產效率高

五軸(zhou)(zhou)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)可有效(xiao)地減少零件(jian)的加(jia)(jia)工(gong)(gong)(gong)時(shi)間(jian)和(he)輔助時(shi)間(jian)，五軸(zhou)(zhou)聯(lian)動(dong)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)的主軸(zhou)(zhou)轉速(su)和(he)進(jin)給(gei)量(liang)的范圍(wei)大，允許(xu)機床進(jin)行大切削(xue)量(liang)的強(qiang)力切削(xue)，五軸(zhou)(zhou)聯(lian)動(dong)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)目前正進(jin)入高速(su)加(jia)(jia)工(gong)(gong)(gong)時(shi)代(dai)，五軸(zhou)(zhou)聯(lian)動(dong)加(jia)(jia)工(gong)(gong)(gong)中(zhong)心(xin)移動(dong)部件(jian)的快速(su)移動(dong)和(he)定位及高速(su)切削(xue)加(jia)(jia)工(gong)(gong)(gong)，減少了半成(cheng)品的工(gong)(gong)(gong)序間(jian)周轉時(shi)間(jian)，提高了生產效(xiao)率。

3、提高加(jia)工精度(du)

通過五軸加工技術，使工件在復雜(za)角度(du)再(zai)次(ci)定(ding)位需(xu)要進(jin)行(xing)多(duo)次(ci)的調試裝(zhuang)卡的問題得以解決(jue)，不僅僅使時間縮短了，其中所產生的誤差(cha)也(ye)大(da)大(da)降低，在安裝(zhuang)工件時需(xu)要的工裝(zhuang)夾具(ju)的大(da)額費用(yong)也(ye)得到了節(jie)約，而機床也(ye)做(zuo)到了對復雜(za)零件的加工，例如復雜(za)表面(mian)所需(xu)的鉆孔、錐(zhui)度(du)加工、型腔隱窩等，都是傳統方(fang)法做(zuo)不到的。