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本(ben)期(qi)我們來講(jiang)解一(yi)下 搖(yao)臂鉆孔(kong)(kong)(kong)機(ji)和數控(kong)高速鉆孔(kong)(kong)(kong)機(ji)的加工(gong)精(jing)度，和效率方面又有(you)哪些(xie)差異呢？我們先來說搖(yao)臂鉆床(chuang)定(ding)位(wei)方法(fa)要在(zai)指定(ding)位(wei)置處(chu)劃線定(ding)位(wei)，電鉆和磁力鉆打出定(ding)位(wei)孔(kong)(kong)(kong)，這樣(yang)做誤差大，功率低，大孔(kong)(kong)(kong)徑，孔(kong)(kong)(kong)加工(gong)時需要閱歷，劃線，定(ding)位(wei)，打孔(kong)(kong)(kong)，打孔(kong)(kong)(kong)，擴孔(kong)(kong)(kong)等過程。

而在數控高(gao)速鉆(zhan)(zhan)孔(kong)(kong)(kong)機上鉆(zhan)(zhan)孔(kong)(kong)(kong)，只需(xu)要將所需(xu)鉆(zhan)(zhan)孔(kong)(kong)(kong)的(de)位(wei)置，孔(kong)(kong)(kong)數等參數輸入計算(suan)機，或是輸入正(zheng)確(que)無誤(wu)的(de)圖(tu)紙，即可實現(xian)鉆(zhan)(zhan)削，動力頭(tou)的(de)主動連續大孔(kong)(kong)(kong)徑(jing)的(de)加工(gong)，操作非常便利，精度高(gao)，而且性能穩(wen)定，對(dui)大孔(kong)(kong)(kong)徑(jing)加工(gong)特(te)點，是全(quan)主動數控定位(wei)，大孔(kong)(kong)(kong)徑(jing)一次(ci)加工(gong)成型，無需(xu)二次(ci)上下料。