深(shen)(shen)孔(kong)鉆(zhan)加(jia)(jia)工是一(yi)種專業化程度較(jiao)(jiao)強的(de)(de)(de)(de)(de)孔(kong)加(jia)(jia)工技(ji)術,一(yi)般需采用(yong)(yong)(yong)專用(yong)(yong)(yong)的(de)(de)(de)(de)(de)深(shen)(shen)孔(kong)刀具(如槍鉆(zhan)、內排(pai)(pai)屑深(shen)(shen)孔(kong)鉆(zhan)、套(tao)料鉆(zhan)等)及(ji)專用(yong)(yong)(yong)機床來進行加(jia)(jia)工,并需使(shi)用(yong)(yong)(yong)大量的(de)(de)(de)(de)(de)循環(huan)切(qie)削油來完成排(pai)(pai)屑及(ji)冷(leng)卻、潤滑刀具,切(qie)削油的(de)(de)(de)(de)(de)消耗量較(jiao)(jiao)大,不(bu)僅會(hui)增大加(jia)(jia)工成本,而且對加(jia)(jia)工場所會(hui)造(zao)成油污(wu)染(ran),威脅操作人員的(de)(de)(de)(de)(de)身體健康,同時帶油鐵屑的(de)(de)(de)(de)(de)處理又會(hui)造(zao)成空氣及(ji)環(huan)境(jing)的(de)(de)(de)(de)(de)污(wu)染(ran),因此,實現不(bu)使(shi)用(yong)(yong)(yong)切(qie)削液(ye)的(de)(de)(de)(de)(de)干式加(jia)(jia)工或使(shi)用(yong)(yong)(yong)微量切(qie)削液(ye)的(de)(de)(de)(de)(de)亞干式加(jia)(jia)工是深(shen)(shen)孔(kong)加(jia)(jia)工技(ji)術的(de)(de)(de)(de)(de)發展方向之一(yi)。
深孔(kong)(kong)鉆加(jia)(jia)工(gong)(gong)是機械(xie)加(jia)(jia)工(gong)(gong)中(zhong)加(jia)(jia)工(gong)(gong)難度較(jiao)大(da)(da),技(ji)術含量較(jiao)高、專業(ye)化(hua)程(cheng)度較(jiao)強、加(jia)(jia)工(gong)(gong)成本(ben)(ben)較(jiao)高的(de)(de)一(yi)(yi)(yi)種孔(kong)(kong)加(jia)(jia)工(gong)(gong)技(ji)術,一(yi)(yi)(yi)般(ban)(ban)只有(you)專業(ye)化(hua)程(cheng)度較(jiao)高,技(ji)術力量較(jiao)強的(de)(de)生(sheng)(sheng)產(chan)(chan)單位才具有(you)這方(fang)面的(de)(de)加(jia)(jia)工(gong)(gong)能力,由(you)于石(shi)油(you)(you)、航空、軍工(gong)(gong)、以(yi)及工(gong)(gong)程(cheng)機械(xie)等行(xing)業(ye)大(da)(da)量使用(yong)到深孔(kong)(kong)類的(de)(de)零(ling)件,一(yi)(yi)(yi)般(ban)(ban)在這類大(da)(da)型生(sheng)(sheng)產(chan)(chan)單位都建有(you)一(yi)(yi)(yi)定規(gui)模的(de)(de)深孔(kong)(kong)加(jia)(jia)工(gong)(gong)車間,每年都有(you)較(jiao)大(da)(da)的(de)(de)生(sheng)(sheng)產(chan)(chan)批(pi)量及產(chan)(chan)值。深孔(kong)(kong)加(jia)(jia)工(gong)(gong)技(ji)術不同(tong)于傳統用(yong)麻花鉆鉆孔(kong)(kong)的(de)(de)加(jia)(jia)工(gong)(gong)方(fang)式(shi),一(yi)(yi)(yi)般(ban)(ban)要(yao)采用(yong)專用(yong)的(de)(de)深孔(kong)(kong)鉆頭(如(ru)(ru)槍鉆、內排(pai)屑(xie)深孔(kong)(kong)鉆,套料鉆等),專用(yong)機床(chuang)和復雜(za)的(de)(de)附件來完成,在加(jia)(jia)工(gong)(gong)中(zhong)要(yao)使用(yong)大(da)(da)量循(xun)環切(qie)(qie)削液(如(ru)(ru)專用(yong)深孔(kong)(kong)切(qie)(qie)削油(you)(you)(液)或機油(you)(you))來完成排(pai)屑(xie)及冷卻、潤滑刀(dao)具,切(qie)(qie)削液的(de)(de)消耗量較(jiao)大(da)(da)(主要(yao)被切(qie)(qie)屑(xie)帶走),不僅(jin)會(hui)對加(jia)(jia)工(gong)(gong)場所造成油(you)(you)污(wu)染,威脅操作人員(yuan)的(de)(de)身(shen)體(ti)健康,而且帶油(you)(you)鐵(tie)屑(xie)的(de)(de)處理又會(hui)造成空氣及環境的(de)(de)二(er)次污(wu)染”,增加(jia)(jia)制造成本(ben)(ben),因此,如(ru)(ru)何降低加(jia)(jia)工(gong)(gong)成本(ben)(ben)及消除環境污(wu)染是深孔(kong)(kong)加(jia)(jia)工(gong)(gong)技(ji)術研究的(de)(de)一(yi)(yi)(yi)個重(zhong)要(yao)發展方(fang)向(xiang),如(ru)(ru)果能夠(gou)采用(yong)干式(shi)加(jia)(jia)工(gong)(gong)技(ji)術進行(xing)深孔(kong)(kong)加(jia)(jia)工(gong)(gong),將會(hui)很好的(de)(de)解決以(yi)上各種問(wen)題。
由(you)于深(shen)孔(kong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)特(te)殊要求,采用(yong)(yong)完全(quan)干(gan)式切削(xue)(xue)(xue)(即完全(quan)不(bu)使用(yong)(yong)切削(xue)(xue)(xue)液(ye))在(zai)(zai)實際生產中(zhong)是很(hen)難實現(xian)的(de)(de)(de)(de)(de),因為在(zai)(zai)深(shen)孔(kong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong),刀(dao)具(ju)依靠導(dao)(dao)向(xiang)塊的(de)(de)(de)(de)(de)自導(dao)(dao)向(xiang)作(zuo)(zuo)用(yong)(yong)來(lai)工(gong)(gong)(gong)作(zuo)(zuo),導(dao)(dao)向(xiang)塊與(yu)孔(kong)壁之(zhi)(zhi)間(jian)由(you)于相互擠壓會產生較(jiao)大(da)的(de)(de)(de)(de)(de)摩(mo)擦,在(zai)(zai)傳統(tong)濕式深(shen)孔(kong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong),高(gao)壓切削(xue)(xue)(xue)油(you)(you)會在(zai)(zai)導(dao)(dao)向(xiang)塊與(yu)孔(kong)壁之(zhi)(zhi)間(jian)形(xing)成(cheng)一(yi)層(ceng)油(you)(you)膜,加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)時(shi)起(qi)潤滑(hua)作(zuo)(zuo)用(yong)(yong),減小摩(mo)擦力;如無油(you)(you)膜,導(dao)(dao)向(xiang)塊會很(hen)快(kuai)被磨損(sun)和撕裂,造成(cheng)切削(xue)(xue)(xue)振動或打(da)刀(dao),另外,深(shen)孔(kong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)是在(zai)(zai)封閉空間(jian)進行(xing)的(de)(de)(de)(de)(de),刀(dao)具(ju)排屑通(tong)(tong)(tong)道(dao)(dao)較(jiao)長,加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)產生的(de)(de)(de)(de)(de)切削(xue)(xue)(xue)熱量遠大(da)于普通(tong)(tong)(tong)車削(xue)(xue)(xue)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong),又(you)不(bu)能象普通(tong)(tong)(tong)干(gan)式車削(xue)(xue)(xue)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong),通(tong)(tong)(tong)過提高(gao)切削(xue)(xue)(xue)速度來(lai)加(jia)(jia)(jia)(jia)(jia)快(kuai)散熱(這(zhe)會造成(cheng)無法排屑及刀(dao)具(ju)急(ji)劇磨損(sun)),因此(ci),使用(yong)(yong)亞干(gan)式方式進行(xing)深(shen)孔(kong)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)最可(ke)(ke)行(xing)的(de)(de)(de)(de)(de)研(yan)究思路,在(zai)(zai)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)使用(yong)(yong)壓縮空氣驅動微量切削(xue)(xue)(xue)液(ye),混合霧化后,通(tong)(tong)(tong)過孔(kong)壁與(yu)鉆桿(gan)之(zhi)(zhi)間(jian)的(de)(de)(de)(de)(de)通(tong)(tong)(tong)道(dao)(dao)輸(shu)送到(dao)切削(xue)(xue)(xue)區,高(gao)速噴射到(dao)刀(dao)一(yi)屑接(jie)觸區,充(chong)分(fen)發揮(hui)切削(xue)(xue)(xue)液(ye)的(de)(de)(de)(de)(de)冷卻、潤滑(hua)作(zuo)(zuo)用(yong)(yong),同時(shi),高(gao)速壓縮空氣幫助鐵屑向(xiang)外排出,完成(cheng)生產過程,在(zai)(zai)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong),切削(xue)(xue)(xue)液(ye)幾乎(hu)可(ke)(ke)完全(quan)被吸(xi)附在(zai)(zai)導(dao)(dao)向(xiang)塊與(yu)孔(kong)壁之(zhi)(zhi)間(jian)以及刀(dao)一(yi)屑接(jie)觸區內,充(chong)分(fen)發揮(hui)冷卻液(ye)的(de)(de)(de)(de)(de)功效,節約冷卻油(you)(you)(液(ye))的(de)(de)(de)(de)(de)使用(yong)(yong),杜(du)絕(jue)對環境的(de)(de)(de)(de)(de)污染,符合當(dang)前國家經濟可(ke)(ke)持續發展的(de)(de)(de)(de)(de)戰(zhan)略方針,具(ju)有(you)一(yi)定(ding)的(de)(de)(de)(de)(de)現(xian)實意(yi)義(yi),在(zai)(zai)經濟方面,可(ke)(ke)以大(da)量節約制造成(cheng)本,而它創造的(de)(de)(de)(de)(de)社會效益(減小環境污染和對操作(zuo)(zuo)人員(yuan)的(de)(de)(de)(de)(de)健康危害)將更(geng)為顯著(zhu)。
更多深孔鉆(zhan),天津(jin)模(mo)架哪(na)家好的相關信息,請關注天津久隆金屬制品有限公司(wgdqx189.net)。