國際上已有2-20bar的真空(kong)高(gao)壓氣淬爐，可(ke)以完全滿足模(mo)具的真空(kong)熱(re)處(chu)理(li)的要求。模(mo)具熱(re)處(chu)理(li)過(guo)程中，所采(cai)用的工(gong)(gong)(gong)藝(yi)(yi)參數對模(mo)具性(xing)能(neng)也有著至關(guan)重要的影響(xiang)：它包括了加(jia)熱(re)溫(wen)度、加(jia)熱(re)速度、保溫(wen)時(shi)間、冷卻方式、冷卻速度等(deng)。正確的熱(re)處(chu)理(li)工(gong)(gong)(gong)藝(yi)(yi)參數可(ke)以保證(zheng)模(mo)具獲(huo)得比較好(hao)性(xing)能(neng)，反之，將產(chan)生不良(liang)(liang)甚至嚴重后果。實踐(jian)表(biao)明(ming)，正確的熱(re)處(chu)理(li)工(gong)(gong)(gong)藝(yi)(yi)可(ke)以獲(huo)得優良(liang)(liang)的組(zu)織(zhi)，優良(liang)(liang)的組(zu)織(zhi)形態才能(neng)保證(zheng)優良(liang)(liang)的機械性(xing)能(neng)。合適的工(gong)(gong)(gong)藝(yi)(yi)方法可(ke)以有效的控制模(mo)具熱(re)處(chu)理(li)時(shi)的變形和開裂。熱(re)處(chu)理(li)可(ke)以提高(gao)產(chan)品(pin)的尺寸穩定(ding)性(xing)和形狀穩定(ding)性(xing)，適用于高(gao)精度產(chan)品(pin)。無錫(xi)真空(kong)熱(re)處(chu)理(li)加(jia)工(gong)(gong)(gong)

從(cong)實(shi)踐中發現(xian)：模(mo)(mo)具(ju)(ju)在加熱(re)和(he)(he)冷卻過程(cheng)中，模(mo)(mo)具(ju)(ju)表面(mian)溫度(du)和(he)(he)心部(bu)溫度(du)的(de)差異(加熱(re)的(de)不(bu)(bu)均(jun)(jun)勻性(xing)和(he)(he)冷卻的(de)不(bu)(bu)均(jun)(jun)勻性(xing))是(shi)造成模(mo)(mo)具(ju)(ju)變形的(de)主要因(yin)素(su)。(真(zhen)空爐(lu)具(ju)(ju)有控(kong)制加熱(re)速度(du)和(he)(he)冷卻速度(du)的(de)能力)。不(bu)(bu)同(tong)的(de)工(gong)藝方法(fa)可以使模(mo)(mo)具(ju)(ju)滿足(zu)不(bu)(bu)同(tong)的(de)使用(yong)條件和(he)(he)不(bu)(bu)同(tong)的(de)性(xing)能要求。真(zhen)空高(gao)壓(ya)氣淬工(gong)藝具(ju)(ju)有加熱(re)和(he)(he)冷卻速度(du)自由控(kong)制的(de)優點，可以編制不(bu)(bu)同(tong)的(de)工(gong)藝參(can)數，得到預想(xiang)的(de)金相組(zu)織和(he)(he)性(xing)能。熱(re)處(chu)理(li)(li)(li)(li)的(de)發展(zhan)是(shi)伴(ban)隨著(zhu)機械(xie)制造業(ye)的(de)發展(zhan)而發展(zhan)，機械(xie)制造又對熱(re)處(chu)理(li)(li)(li)(li)提出了(le)更(geng)新更(geng)高(gao)的(de)要求，模(mo)(mo)具(ju)(ju)的(de)熱(re)處(chu)理(li)(li)(li)(li)又是(shi)熱(re)處(chu)理(li)(li)(li)(li)中技術含量比較高(gao)的(de)部(bu)分(fen)。眾所周(zhou)知，模(mo)(mo)具(ju)(ju)熱(re)處(chu)理(li)(li)(li)(li)就是(shi)為了(le)發揮模(mo)(mo)具(ju)(ju)材(cai)料的(de)潛力，提高(gao)模(mo)(mo)具(ju)(ju)的(de)使用(yong)性(xing)能。無錫(xi)鋼材(cai)熱(re)處(chu)理(li)(li)(li)(li)爐(lu)熱(re)處(chu)理(li)(li)(li)(li)多少錢(qian)？歡迎咨(zi)詢東(dong)宇東(dong)庵（無錫(xi)）科技有限(xian)公司。

傳統氣(qi)(qi)(qi)氛(fen)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)目(mu)前雖應(ying)用(yong)普及，但暴露出許多(duo)問(wen)(wen)題：工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)內氧(yang)(yang)化(hua)(hua)；非馬(ma)氏(shi)體(ti)組織(zhi)難以避免；尾氣(qi)(qi)(qi)排放較(jiao)大；滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)周期較(jiao)長；工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)易氧(yang)(yang)化(hua)(hua)脫(tuo)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)等(deng)(deng)。真空(kong)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)與傳統氣(qi)(qi)(qi)氛(fen)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)方(fang)式相比，晶界內無氧(yang)(yang)化(hua)(hua)、表面光亮、畸變更小、節(jie)能環保以及可(ke)(ke)對小孔、盲孔等(deng)(deng)零(ling)(ling)(ling)件(jian)(jian)實現均(jun)勻滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)。另外不銹鋼(gang)、含硅鋼(gang)等(deng)(deng)普通氣(qi)(qi)(qi)體(ti)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)效果不好甚(shen)至難以滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)零(ling)(ling)(ling)件(jian)(jian)，真空(kong)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)可(ke)(ke)獲得良好的(de)(de)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)層。現采用(yong)乙炔(gui)（Ｃ２Ｈ２）作為滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)介質，在很大程度上解決了丙(bing)烷(wan)所導致的(de)(de)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)黑及焦油(you)污(wu)染問(wen)(wen)題，為真空(kong)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)發展應(ying)用(yong)注入了新的(de)(de)活力。真空(kong)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)也稱低壓滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)，是一(yi)種非平(ping)衡的(de)(de)強滲(shen)(shen)(shen)(shen)－擴散(san)型滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)過程，即(ji)零(ling)(ling)(ling)件(jian)(jian)在真空(kong)中加熱(re)、在負(fu)壓滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)氣(qi)(qi)(qi)氛(fen)中進(jin)(jin)***體(ti)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)工(gong)(gong)(gong)(gong)(gong)藝方(fang)法，其由分解、吸收(shou)和擴散(san)三(san)個過程組成。目(mu)前已(yi)在工(gong)(gong)(gong)(gong)(gong)業上得到應(ying)用(yong)和發展。真空(kong)滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)一(yi)般過程是：零(ling)(ling)(ling)件(jian)(jian)清洗→零(ling)(ling)(ling)件(jian)(jian)裝料、進(jin)(jin)爐(lu)→抽真空(kong)→升(sheng)溫及均(jun)熱(re)→滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)、擴散(san)→淬火熱(re)處理。零(ling)(ling)(ling)件(jian)(jian)入爐(lu)后抽真空(kong)至真空(kong)條(tiao)件(jian)(jian)（或(huo)≤１０Ｐａ，基(ji)本達到無氧(yang)(yang)化(hua)(hua)條(tiao)件(jian)(jian)）進(jin)(jin)行加熱(re)、升(sheng)溫、預熱(re)和均(jun)熱(re)。在真空(kong)下(xia)可(ke)(ke)去(qu)除工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)表面氧(yang)(yang)化(hua)(hua)物及油(you)脂污(wu)物，使(shi)工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)表面活化(hua)(hua)有利于滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)。當工(gong)(gong)(gong)(gong)(gong)件(jian)(jian)達到滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)溫度并均(jun)勻一(yi)致后通入滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)氣(qi)(qi)(qi)體(ti)（甲(jia)烷(wan)、丙(bing)烷(wan)或(huo)乙炔(gui)等(deng)(deng)）進(jin)(jin)行滲(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)(tan)(tan)。

低壓真(zhen)(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)碳(tan)(tan)(tan)的(de)(de)(de)(de)滲(shen)(shen)(shen)碳(tan)(tan)(tan)開(kai)(kai)端點是一起(qi)的(de)(de)(de)(de)，先加(jia)熱(re)到溫(wen)(wen)，全(quan)部工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)到溫(wen)(wen)并勻(yun)溫(wen)(wen)后，開(kai)(kai)端通(tong)乙炔滲(shen)(shen)(shen)碳(tan)(tan)(tan)，所以(yi)大小滲(shen)(shen)(shen)碳(tan)(tan)(tan)零件(jian)(jian)(jian)的(de)(de)(de)(de)滲(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)均勻(yun)性(xing)是一起(qi)的(de)(de)(de)(de)。真(zhen)(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)碳(tan)(tan)(tan)對(dui)比普通(tong)滲(shen)(shen)(shen)碳(tan)(tan)(tan)滲(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)深度更均勻(yun)：工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)加(jia)熱(re)完(wan)(wan)畢勻(yun)溫(wen)(wen)之(zhi)后，才通(tong)入滲(shen)(shen)(shen)碳(tan)(tan)(tan)氣(qi)體(ti)，保(bao)證了(le)大小工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)開(kai)(kai)端滲(shen)(shen)(shen)碳(tan)(tan)(tan)點的(de)(de)(de)(de)同步(bu)性(xing)，這(zhe)是滲(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)均勻(yun)的(de)(de)(de)(de)基礎。而(er)(er)常規氣(qi)體(ti)滲(shen)(shen)(shen)碳(tan)(tan)(tan)和多用(yong)爐難以(yi)保(bao)證這(zhe)一點。真(zhen)(zhen)空(kong)(kong)(kong)對(dui)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)表(biao)面有(you)凈化效果(guo)，有(you)利于碳(tan)(tan)(tan)原子(zi)被工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)吸附。可(ke)處(chu)理形狀凌亂的(de)(de)(de)(de)零件(jian)(jian)(jian)，工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)變(bian)形小：真(zhen)(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)碳(tan)(tan)(tan)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)加(jia)熱(re)時，加(jia)熱(re)的(de)(de)(de)(de)速度接連可(ke)控，可(ke)減(jian)小工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)的(de)(de)(de)(de)表(biao)里溫(wen)(wen)差，變(bian)形小；滲(shen)(shen)(shen)碳(tan)(tan)(tan)完(wan)(wan)畢后，淬(cui)(cui)火方法(fa)為真(zhen)(zhen)空(kong)(kong)(kong)淬(cui)(cui)火，大幅減(jian)小工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)的(de)(de)(de)(de)淬(cui)(cui)火變(bian)形；減(jian)小后期的(de)(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)量，節約(yue)加(jia)工(gong)(gong)(gong)(gong)本(ben)錢。熱(re)處(chu)理可(ke)以(yi)改變(bian)材料的(de)(de)(de)(de)硬(ying)度、強度、韌(ren)性(xing)、耐腐蝕性(xing)等(deng)性(xing)質，從而(er)(er)提高材料的(de)(de)(de)(de)機械性(xing)能和使用(yong)壽命。

在與大氣(qi)壓(ya)只差(cha)0.1MPa范圍內的(de)(de)真(zhen)空(kong)下(xia)，固(gu)態相(xiang)變(bian)熱(re)力學(xue)、動力學(xue)不(bu)產生(sheng)(sheng)什么變(bian)化(hua)。在制訂真(zhen)空(kong)熱(re)處(chu)(chu)(chu)(chu)理(li)工(gong)藝規程(cheng)(cheng)時，完全(quan)可以依據在常壓(ya)下(xia)固(gu)態相(xiang)變(bian)的(de)(de)原理(li)。完全(quan)可以參(can)考(kao)常壓(ya)下(xia)各種類型組織(zhi)轉變(bian)的(de)(de)數據。真(zhen)空(kong)熱(re)處(chu)(chu)(chu)(chu)理(li)的(de)(de)優越(yue)性。真(zhen)空(kong)熱(re)處(chu)(chu)(chu)(chu)理(li)是和(he)可控氣(qi)氛并駕齊驅的(de)(de)應用面(mian)很(hen)廣的(de)(de)無氧化(hua)熱(re)處(chu)(chu)(chu)(chu)理(li)技(ji)術，也是當前(qian)熱(re)處(chu)(chu)(chu)(chu)理(li)生(sheng)(sheng)產技(ji)術先(xian)進程(cheng)(cheng)度的(de)(de)主要標志之一。真(zhen)空(kong)熱(re)處(chu)(chu)(chu)(chu)理(li)不(bu)僅可實現鋼件的(de)(de)無氧化(hua)、無脫(tuo)碳，而且(qie)還可以實現生(sheng)(sheng)產的(de)(de)無污染和(he)工(gong)件的(de)(de)少(shao)畸變(bian)，因(yin)而它(ta)還屬于(yu)清潔和(he)精密生(sheng)(sheng)產技(ji)術范疇。它(ta)已(yi)成為工(gong)模具生(sheng)(sheng)產中不(bu)可替代的(de)(de)先(xian)進技(ji)術。真(zhen)空(kong)滲碳熱(re)處(chu)(chu)(chu)(chu)理(li)的(de)(de)這些優勢你知(zhi)道嗎？無錫真(zhen)空(kong)熱(re)處(chu)(chu)(chu)(chu)理(li)加工(gong)

常見的(de)熱處(chu)理方法包括退(tui)火、淬火、回(hui)火、正火、淬化(hua)、時效等。無錫(xi)真空熱處(chu)理加工

真(zhen)空(kong)(kong)熱(re)處(chu)(chu)(chu)理(li)爐(lu)。現(xian)(xian)代真(zhen)空(kong)(kong)熱(re)處(chu)(chu)(chu)理(li)爐(lu)是(shi)指(zhi)可施行(xing)元件的(de)(de)真(zhen)空(kong)(kong)加(jia)熱(re)，然后在(zai)油中淬火或在(zai)常壓(ya)和(he)加(jia)壓(ya)氣(qi)體中淬火的(de)(de)冷壁式爐(lu)子(zi)。研究開發這種類型(xing)的(de)(de)設(she)(she)備(bei)(bei)是(shi)一項綜(zong)合性強、跨學科(ke)(ke)、牽(qian)涉到(dao)很多科(ke)(ke)技領域的(de)(de)工(gong)作。從模具熱(re)處(chu)(chu)(chu)理(li)來看，熱(re)處(chu)(chu)(chu)理(li)加(jia)工(gong)設(she)(she)備(bei)(bei)的(de)(de)狀態、熱(re)處(chu)(chu)(chu)理(li)的(de)(de)工(gong)藝(yi)、生產(chan)過(guo)程的(de)(de)控制顯得尤為重(zhong)要。而設(she)(she)備(bei)(bei)的(de)(de)先(xian)進性是(shi)保證先(xian)進工(gong)藝(yi)實現(xian)(xian)的(de)(de)前(qian)提。真(zhen)空(kong)(kong)高(gao)壓(ya)氣(qi)淬爐(lu)是(shi)實現(xian)(xian)真(zhen)空(kong)(kong)熱(re)處(chu)(chu)(chu)理(li)很為理(li)想的(de)(de)設(she)(she)備(bei)(bei)。真(zhen)空(kong)(kong)爐(lu)具有不(bu)脫(tuo)碳，不(bu)氧(yang)化的(de)(de)效果，具有溫(wen)度(du)均(jun)勻，加(jia)熱(re)和(he)冷卻速度(du)可控，可以實現(xian)(xian)不(bu)同的(de)(de)工(gong)藝(yi)過(guo)程，真(zhen)空(kong)(kong)爐(lu)由于(yu)沒有污(wu)染，是(shi)國際上公認的(de)(de)“綠(lv)色熱(re)處(chu)(chu)(chu)理(li)”。無錫真(zhen)空(kong)(kong)熱(re)處(chu)(chu)(chu)理(li)加(jia)工(gong)