最簡單(dan)的(de)答案是因為生(sheng)產(chan)力和利潤。雙主(zhu)軸加(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)可以輕松完(wan)成同(tong)(tong)類單(dan)主(zhu)軸加(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)的(de)二倍工(gong)(gong)(gong)作(zuo)量(liang)。假定保(bao)持(chi)機(ji)器(qi)忙(mang)碌的(de)工(gong)(gong)(gong)作(zuo)負載是可用(yong)的(de)。毫無疑問，制(zhi)造商可以使用(yong) 雙主(zhu)軸加(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin) 在更短的(de)時間內完(wan)成更多零件加(jia)(jia)工(gong)(gong)(gong)。隨著產(chan)量(liang)的(de)增加(jia)(jia)，車(che)間的(de)吞(tun)吐量(liang)大(da)大(da)提高。同(tong)(tong)時加(jia)(jia)工(gong)(gong)(gong)兩個工(gong)(gong)(gong)件，只(zhi)占用(yong)一臺機(ji)器(qi)的(de)場地和一名(ming)cnc操(cao)作(zuo)員，變相(xiang)的(de)增加(jia)(jia)了廠房(fang)機(ji)器(qi)數量(liang)減少了人工(gong)(gong)(gong)成本并且(qie)提高效率。

　　在(zai)手(shou)機(ji)通(tong)訊、電(dian)子(zi)3C、新能源電(dian)池正負極等(deng)行業(ye)中，一名(ming)cnc操作員(yuan)可(ke)以完成(cheng)多(duo)名(ming)cnc操作員(yuan)的工作，從而降低了勞(lao)動(dong)力成(cheng)本。雖然一臺(tai)雙(shuang)主軸加(jia)工中心比普(pu)(pu)通(tong)的機(ji)床(chuang)的費用高(gao)很多(duo)，但(dan)是一臺(tai)雙(shuang)主軸加(jia)工中心的高(gao)產(chan)量、高(gao)效率、低勞(lao)動(dong)成(cheng)本是遠遠優(you)于(yu)普(pu)(pu)通(tong)單主軸加(jia)工中心的。