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數控(kong)加工切(qie)削用量(liang)的(de)(de)確定:(1)主軸轉(zhuan)速(su)(su)n(r/min):1主軸轉(zhuan)速(su)(su)一(yi)般根據切(qie)削速(su)(su)度(du)來(lai)選(xuan)定。計算公式為(wei):n=1000/d,式中d為(wei)刀(dao)具直徑(mm)。數控(kong)機床的(de)(de)控(kong)制面板上一(yi)般配(pei)有主軸轉(zhuan)速(su)(su)修調(diao)(倍(bei)率(lv))開(kai)關,可在加工過程中對主軸轉(zhuan)速(su)(su)進行倍(bei)率(lv)調(diao)整(zheng)。(2)進給速(su)(su)度(du)F:進給速(su)(su)度(du)應根據零件的(de)(de)加工精度(du)和表(biao)面粗糙度(du)要求以及刀(dao)具和工件材料來(lai)選(xuan)擇。
cnc數控加(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)序(xu)的安排(pai):1、內(nei)外(wai)(wai)1交(jiao)叉原則(ze)對既有內(nei)表(biao)(biao)(biao)(biao)面(mian)(mian)(內(nei)型腔)又有外(wai)(wai)表(biao)(biao)(biao)(biao)面(mian)(mian)需要加(jia)(jia)工(gong)(gong)(gong)(gong)的零件(jian),安排(pai)加(jia)(jia)工(gong)(gong)(gong)(gong)順序(xu)時,銅陵數控加(jia)(jia)工(gong)(gong)(gong)(gong),應(ying)行內(nei)外(wai)(wai)表(biao)(biao)(biao)(biao)面(mian)(mian)粗加(jia)(jia)工(gong)(gong)(gong)(gong),后進(jin)行內(nei)外(wai)(wai)表(biao)(biao)(biao)(biao)面(mian)(mian)精(jing)(jing)加(jia)(jia)工(gong)(gong)(gong)(gong)。切(qie)不可將零件(jian)上一部(bu)分表(biao)(biao)(biao)(biao)面(mian)(mian)(外(wai)(wai)表(biao)(biao)(biao)(biao)面(mian)(mian)或內(nei)表(biao)(biao)(biao)(biao)面(mian)(mian))加(jia)(jia)工(gong)(gong)(gong)(gong)完畢(bi)后,再加(jia)(jia)工(gong)(gong)(gong)(gong)其他表(biao)(biao)(biao)(biao)面(mian)(mian)(內(nei)表(biao)(biao)(biao)(biao)面(mian)(mian)或外(wai)(wai)表(biao)(biao)(biao)(biao)面(mian)(mian))。2、基(ji)面(mian)(mian)先(xian)1行原則(ze)應(ying)優先(xian)加(jia)(jia)工(gong)(gong)(gong)(gong)用作精(jing)(jing)基(ji)準的表(biao)(biao)(biao)(biao)面(mian)(mian)。這是因為定位(wei)基(ji)準的表(biao)(biao)(biao)(biao)面(mian)(mian)越精(jing)(jing)1確,裝夾誤(wu)差就越小。
產品的(de)(de)進(jin)度要求越來越嚴格,后續就(jiu)(jiu)要進(jin)行(xing)半精(jing)(jing)(jing)加(jia)(jia)工(gong)(gong)(gong)和精(jing)(jing)(jing)加(jia)(jia)工(gong)(gong)(gong)階段。3、先(xian)面(mian)后孔(kong)(kong):在進(jin)行(xing)機(ji)械加(jia)(jia)工(gong)(gong)(gong)的(de)(de)時候,數控加(jia)(jia)工(gong)(gong)(gong)廠,對于支架(jia)這(zhe)樣(yang)的(de)(de)工(gong)(gong)(gong)件來說,制(zhi)動器它(ta)既要進(jin)行(xing)平(ping)面(mian)加(jia)(jia)工(gong)(gong)(gong)又要機(ji)械孔(kong)(kong)加(jia)(jia)工(gong)(gong)(gong),為了加(jia)(jia)工(gong)(gong)(gong)出來的(de)(de)孔(kong)(kong)的(de)(de)精(jing)(jing)(jing)度誤差(cha)更小一些,先(xian)加(jia)(jia)工(gong)(gong)(gong)平(ping)面(mian)后加(jia)(jia)工(gong)(gong)(gong)孔(kong)(kong)有利于減小誤差(cha)。4、光整加(jia)(jia)工(gong)(gong)(gong):這(zhe)個加(jia)(jia)工(gong)(gong)(gong)原(yuan)則大(da)致就(jiu)(jiu)是一些打磨(mo)拋光的(de)(de)加(jia)(jia)工(gong)(gong)(gong),它(ta)通常(chang)是在產品全部完成架(jia)構之后進(jin)行(xing)的(de)(de)步驟。
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