使用(yong)真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)手(shou)動(dong)操(cao)作注意事項有哪些
真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)所工(gong)作原(yuan)理(li)是(shi)在真(zhen)空(kong)(kong)(kong)(kong)條件下進行金(jin)(jin)(jin)(jin)屬(shu)與(yu)合(he)(he)(he)金(jin)(jin)(jin)(jin)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)的(de)(de)(de)(de)(de)特(te)種熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)技(ji)術。主要(yao)包括真(zhen)空(kong)(kong)(kong)(kong)感應(ying)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)、真(zhen)空(kong)(kong)(kong)(kong)電(dian)(dian)(dian)(dian)弧重熔(rong)(rong)(rong)和電(dian)(dian)(dian)(dian)子束熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)。隨著現代科學技(ji)術的(de)(de)(de)(de)(de)飛(fei)躍發(fa)(fa)展(zhan),特(te)別是(shi)伴隨著宇航、海洋(yang)開(kai)發(fa)(fa)、能(neng)源開(kai)發(fa)(fa)及(ji)(ji)電(dian)(dian)(dian)(dian)子工(gong)業(ye)的(de)(de)(de)(de)(de)迅速(su)進展(zhan),對(dui)(dui)金(jin)(jin)(jin)(jin)屬(shu)材(cai)料(liao)(***合(he)(he)(he)金(jin)(jin)(jin)(jin)鋼(gang)及(ji)(ji)合(he)(he)(he)金(jin)(jin)(jin)(jin))的(de)(de)(de)(de)(de)品種、產(chan)(chan)量(liang)、尤其(qi)是(shi)質量(liang)提出了越(yue)來越(yue)高的(de)(de)(de)(de)(de)要(yao)求。
真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)主要(yao)供大專(zhuan)院校、科研單位及(ji)(ji)生(sheng)產(chan)(chan)企業(ye)在真(zhen)空(kong)(kong)(kong)(kong)或保護氣氛條件下對(dui)(dui)金(jin)(jin)(jin)(jin)屬(shu)材(cai)料(liao)(如不(bu)銹鋼(gang)、鎳基合(he)(he)(he)金(jin)(jin)(jin)(jin)、銅、合(he)(he)(he)金(jin)(jin)(jin)(jin)鋼(gang)、鎳鈷合(he)(he)(he)金(jin)(jin)(jin)(jin)、稀土釹鐵(tie)錋等(deng))的(de)(de)(de)(de)(de)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)處(chu)理(li),也可(ke)(ke)進行合(he)(he)(he)金(jin)(jin)(jin)(jin)鋼(gang)的(de)(de)(de)(de)(de)真(zhen)空(kong)(kong)(kong)(kong)精煉(lian)(lian)(lian)(lian)(lian)處(chu)理(li)及(ji)(ji)精密鑄造。
真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)是(shi)由爐(lu)(lu)(lu)(lu)(lu)(lu)蓋、爐(lu)(lu)(lu)(lu)(lu)(lu)體(ti)、爐(lu)(lu)(lu)(lu)(lu)(lu)底、坩(gan)堝(guo)回轉機(ji)(ji)構、真(zhen)空(kong)(kong)(kong)(kong)系統及(ji)(ji)中頻電(dian)(dian)(dian)(dian)源控制系統等(deng)組成(cheng)。爐(lu)(lu)(lu)(lu)(lu)(lu)蓋、爐(lu)(lu)(lu)(lu)(lu)(lu)體(ti)及(ji)(ji)爐(lu)(lu)(lu)(lu)(lu)(lu)底均(jun)采(cai)用(yong)雙層水冷結構,保持爐(lu)(lu)(lu)(lu)(lu)(lu)殼溫度(du)不(bu)超過60℃。
具(ju)體(ti)的(de)(de)(de)(de)(de)操(cao)作為爐(lu)(lu)(lu)(lu)(lu)(lu)蓋打開(kai)方式(shi)為手(shou)動(dong),真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)蓋上(shang)(shang)設(she)(she)(she)有觀察(cha)孔及(ji)(ji)擋板,為便于熔(rong)(rong)(rong)化過程(cheng)中添加合(he)(he)(he)金(jin)(jin)(jin)(jin)元素,爐(lu)(lu)(lu)(lu)(lu)(lu)蓋上(shang)(shang)特(te)設(she)(she)(she)有合(he)(he)(he)金(jin)(jin)(jin)(jin)加料(liao)器。爐(lu)(lu)(lu)(lu)(lu)(lu)體(ti)內(nei)有一感應(ying)線圈,通過手(shou)動(dong)轉動(dong)爐(lu)(lu)(lu)(lu)(lu)(lu)外手(shou)柄(bing)可(ke)(ke)輕松將坩(gan)堝(guo)內(nei)熔(rong)(rong)(rong)液澆入錠模,錠模可(ke)(ke)設(she)(she)(she)計成(cheng)水冷形式(shi)。坩(gan)堝(guo)上(shang)(shang)部設(she)(she)(she)有一測溫裝置。真(zhen)空(kong)(kong)(kong)(kong)系統采(cai)用(yong)二級泵(beng)(beng),即K-300油擴(kuo)散泵(beng)(beng)與(yu)2X-70機(ji)(ji)械泵(beng)(beng),機(ji)(ji)械泵(beng)(beng)上(shang)(shang)設(she)(she)(she)有電(dian)(dian)(dian)(dian)磁放(fang)氣閥(fa)(fa)避免停(ting)電(dian)(dian)(dian)(dian)后返油。真(zhen)空(kong)(kong)(kong)(kong)機(ji)(ji)組上(shang)(shang)設(she)(she)(she)有放(fang)氣閥(fa)(fa)及(ji)(ji)充氣閥(fa)(fa)。
如果真(zhen)空(kong)(kong)(kong)(kong)熔(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)爐(lu)(lu)(lu)(lu)(lu)(lu)門(men)關不(bu)緊(jin),檢查(cha)門(men)的(de)(de)(de)(de)(de)合(he)(he)(he)葉(xie)是(shi)否(fou)(fou)松動(dong),拉扣是(shi)否(fou)(fou)變形,門(men)口(kou)密封(feng)膠條是(shi)否(fou)(fou)破損,門(men)板是(shi)否(fou)(fou)變形?風(feng)機(ji)(ji)有異響,請仔(zi)細(xi)檢查(cha)是(shi)否(fou)(fou)有異物進入風(feng)機(ji)(ji)的(de)(de)(de)(de)(de)風(feng)輪里面,或固定(ding)電(dian)(dian)(dian)(dian)機(ji)(ji)馬達(da)的(de)(de)(de)(de)(de)螺(luo)絲(si)是(shi)否(fou)(fou)松動(dong)。氣動(dong)閥(fa)(fa)無法動(dong)作,首先檢查(cha)對(dui)(dui)應(ying)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)磁閥(fa)(fa)是(shi)否(fou)(fou)能(neng)正常工(gong)作,壓縮空(kong)(kong)(kong)(kong)氣壓力(li)是(shi)否(fou)(fou)達(da)到工(gong)作要(yao)求?如果氣壓正常,且(qie)電(dian)(dian)(dian)(dian)磁閥(fa)(fa)也良好,則肯(ken)定(ding)是(shi)氣動(dong)閥(fa)(fa)本身壞了,必須更換(huan)新(xin)的(de)(de)(de)(de)(de)。