大連模具加工毛坯(pi)鍛造(zao)的(de)作用(yong)可使材(cai)料組織致密(mi),碳化物分布均勻和(he)纖維(wei)流線(xian)(xian)分布合(he)理,從而達(da)到(dao)改善熱處理性(xing)能(neng)和(he)提高使用(yong)壽命。在坐(zuo)標鏜削(xue)加(jia)工(gong)(gong)(gong)中,為(wei)了(le)保證孔的(de)位(wei)置精度,通(tong)常要進行(xing)坐(zuo)標轉換(huan)計(ji)算.平面孔系孔距尺寸換(huan)算三(san)角(jiao)函數關系進行(xing).空間(jian)孔系加(jia)工(gong)(gong)(gong)利用(yong)萬(wan)能(neng)轉臺加(jia)工(gong)(gong)(gong)軸線(xian)(xian)與孔系軸線(xian)(xian)不平行(xing)進行(xing)鏜削(xue)來(lai)實現。零件(jian)加(jia)工(gong)(gong)(gong)通(tong)常有工(gong)(gong)(gong)藝(yi)過程(cheng)長,工(gong)(gong)(gong)序(xu)類(lei)別多和(he)單件(jian)生產(chan)的(de)特點(dian).所(suo)(suo)以,對模(mo)(mo)具零件(jian)的(de) 加(jia)工(gong)(gong)(gong)中,需(xu)要采用(yong)多種加(jia)工(gong)(gong)(gong)方法才能(neng)達(da)到(dao)所(suo)(suo)需(xu)要求(qiu),同(tong)時(shi),模(mo)(mo)具零件(jian)的(de)精度和(he)表面粗糙度要求(qiu)都較(jiao)高,常采用(yong)線(xian)(xian)割和(he)磨削(xue)來(lai)保證。
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