肯定被加(jia)工(gong)(gong)(gong)(gong)(gong)對象肯定選購對象之前首先要明(ming)白準備(bei)加(jia)工(gong)(gong)(gong)(gong)(gong)的(de)對象。普通來說，具備(bei)下列(lie)特性(xing)的(de)零件(jian)合適在(zai)加(jia)工(gong)(gong)(gong)(gong)(gong)中心加(jia)工(gong)(gong)(gong)(gong)(gong)：多工(gong)(gong)(gong)(gong)(gong)序集約型工(gong)(gong)(gong)(gong)(gong)件(jian)指(zhi)在(zai)一個工(gong)(gong)(gong)(gong)(gong)件(jian)上需求用許多把刀具停(ting)止加(jia)工(gong)(gong)(gong)(gong)(gong)。定位(wei)繁瑣的(de)工(gong)(gong)(gong)(gong)(gong)件(jian)例如(ru)有一定位(wei)孔距精度請求的(de)多孔加(jia)工(gong)(gong)(gong)(gong)(gong)，應用機床定位(wei)精度高(gao)的(de)特性(xing)，很(hen)便當施行(xing)。

　　反復(fu)消(xiao)費(fei)型(xing)的工(gong)(gong)件合適(shi)加(jia)工(gong)(gong)單件小批(pi)量消(xiao)費(fei)。小批(pi)量指在1-100件，每批(pi)數量不(bu)多(duo)，但又(you)需求反復(fu)消(xiao)費(fei)，工(gong)(gong)業鋁材加(jia)工(gong)(gong)設(she)備(bei)另外(wai)(wai)，即便工(gong)(gong)件外(wai)(wai)形尺(chi)寸不(bu)同，但又(you)是類似工(gong)(gong)件，易于完成成組加(jia)工(gong)(gong)（GT）工(gong)(gong)藝的零(ling)件。

　　復雜(za)外(wai)形的零件(jian)模具(ju)、航空(kong)零件(jian)等(deng)復雜(za)外(wai)形工(gong)(gong)件(jian)，能(neng)借助自動程序編制(zhi)技術在加工(gong)(gong)中(zhong)心上加工(gong)(gong)各種異形零件(jian)，箱(xiang)體(ti)(ti)類、板類零件(jian)在臥式(shi)加工(gong)(gong)中(zhong)心上應用回轉工(gong)(gong)作臺，對箱(xiang)體(ti)(ti)零件(jian)停止多面加工(gong)(gong)，如主(zhu)軸箱(xiang)體(ti)(ti)、泵(beng)體(ti)(ti)、閥(fa)體(ti)(ti)、內燃機缸體(ti)(ti)等(deng)。

　　假如(ru)連頂面(mian)也要一(yi)次裝夾中加(jia)工(gong)(gong)，可選用五(wu)面(mian)體加(jia)工(gong)(gong)中心。立(li)式加(jia)工(gong)(gong)中心合適(shi)加(jia)工(gong)(gong)箱蓋缸(gang)蓋、平面(mian)凸(tu)輪(lun)等(deng)。龍門加(jia)工(gong)(gong)中心用于加(jia)工(gong)(gong)大型箱體、板(ban)(ban)類(lei)零件，如(ru)內燃機車缸(gang)體、加(jia)工(gong)(gong)中心立(li)柱、床身、印刷(shua)墻板(ban)(ban)機等(deng)。

　　機(ji)床規格(ge)的(de)選(xuan)定依據肯定的(de)加工(gong)(gong)工(gong)(gong)件(jian)(jian)的(de)大(da)小尺(chi)寸(cun)，相應肯定所需機(ji)床的(de)工(gong)(gong)作臺尺(chi)寸(cun)和(he)三個直線坐標系的(de)行程。工(gong)(gong)作臺尺(chi)寸(cun)應保證工(gong)(gong)件(jian)(jian)在其(qi)上(shang)面能順利裝夾工(gong)(gong)件(jian)(jian)，加工(gong)(gong)尺(chi)寸(cun)則(ze)必需在各坐標行程內，此外還要(yao)思索(suo)換(huan)刀空(kong)間和(he)各坐標干預區的(de)限(xian)制。

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