低壓真(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)的(de)(de)(de)(de)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)開端(duan)點(dian)是(shi)一(yi)起(qi)的(de)(de)(de)(de)，先加(jia)熱(re)到(dao)溫(wen)，全部(bu)工(gong)(gong)(gong)件(jian)(jian)到(dao)溫(wen)并勻(yun)溫(wen)后，開端(duan)通乙(yi)炔滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)，所以大(da)小(xiao)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)零件(jian)(jian)的(de)(de)(de)(de)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)均(jun)勻(yun)性是(shi)一(yi)起(qi)的(de)(de)(de)(de)。真(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)對比普通滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)深度更(geng)均(jun)勻(yun)：工(gong)(gong)(gong)件(jian)(jian)加(jia)熱(re)完畢勻(yun)溫(wen)之后，才通入(ru)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)氣(qi)體，保證了大(da)小(xiao)工(gong)(gong)(gong)件(jian)(jian)開端(duan)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)點(dian)的(de)(de)(de)(de)同步性，這(zhe)是(shi)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)層(ceng)均(jun)勻(yun)的(de)(de)(de)(de)基礎。而常規氣(qi)體滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)和多用爐難以保證這(zhe)一(yi)點(dian)。真(zhen)空(kong)(kong)(kong)對工(gong)(gong)(gong)件(jian)(jian)表面有(you)凈化(hua)效果，有(you)利于(yu)碳(tan)(tan)(tan)原子(zi)被工(gong)(gong)(gong)件(jian)(jian)吸附(fu)。可處(chu)理形狀凌(ling)亂的(de)(de)(de)(de)零件(jian)(jian)，工(gong)(gong)(gong)件(jian)(jian)變形小(xiao)：真(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)工(gong)(gong)(gong)件(jian)(jian)加(jia)熱(re)時(shi)，加(jia)熱(re)的(de)(de)(de)(de)速度接(jie)連可控，可減小(xiao)工(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)(de)表里溫(wen)差(cha)，變形小(xiao)；滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)完畢后，淬(cui)火方法為真(zhen)空(kong)(kong)(kong)淬(cui)火，大(da)幅減小(xiao)工(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)(de)淬(cui)火變形；減小(xiao)后期的(de)(de)(de)(de)加(jia)工(gong)(gong)(gong)量，節約(yue)加(jia)工(gong)(gong)(gong)本錢。真(zhen)空(kong)(kong)(kong)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)熱(re)處(chu)理哪里有(you)？歡迎(ying)咨詢東(dong)宇東(dong)庵（無錫）科(ke)技有(you)限公司。無錫調(diao)質熱(re)處(chu)理設備

東宇(yu)東庵的(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)空滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)工藝表(biao)面(mian)碳(tan)(tan)(tan)(tan)(tan)含(han)量(liang)易(yi)于控制(zhi)：真(zhen)(zhen)(zhen)空滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)表(biao)面(mian)碳(tan)(tan)(tan)(tan)(tan)含(han)量(liang)不(bu)必經過碳(tan)(tan)(tan)(tan)(tan)勢控制(zhi)，經過控制(zhi)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)壓力和(he)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)氣(qi)(qi)流量(liang)即可(ke)完(wan)畢表(biao)面(mian)碳(tan)(tan)(tan)(tan)(tan)含(han)量(liang)的(de)(de)(de)(de)(de)準確控制(zhi)。真(zhen)(zhen)(zhen)空滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)原理(li)現(xian)已和(he)傳(chuan)統氣(qi)(qi)體滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)不(bu)同(tong)(tong)，沒(mei)有(you)了碳(tan)(tan)(tan)(tan)(tan)勢的(de)(de)(de)(de)(de)概念(nian)常規滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)和(he)多用爐滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)，在(zai)排氣(qi)(qi)時，趕氣(qi)(qi)和(he)碳(tan)(tan)(tan)(tan)(tan)勢樹(shu)立沒(mei)有(you)明顯的(de)(de)(de)(de)(de)鴻溝，小(xiao)件(jian)先(xian)到溫(wen)(wen)，先(xian)開端(duan)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)，大(da)小(xiao)件(jian)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)開端(duan)點(dian)不(bu)同(tong)(tong)。低(di)壓真(zhen)(zhen)(zhen)空滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)開端(duan)點(dian)是一起(qi)的(de)(de)(de)(de)(de)，先(xian)加(jia)熱(re)(re)到溫(wen)(wen)，全部工件(jian)到溫(wen)(wen)并勻(yun)(yun)溫(wen)(wen)后(hou)，開端(duan)通乙炔滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)，所以大(da)小(xiao)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)零件(jian)的(de)(de)(de)(de)(de)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)層(ceng)(ceng)均勻(yun)(yun)性是一起(qi)的(de)(de)(de)(de)(de)。真(zhen)(zhen)(zhen)空滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)對(dui)比普(pu)通滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)層(ceng)(ceng)深度更均勻(yun)(yun)：工件(jian)加(jia)熱(re)(re)完(wan)畢勻(yun)(yun)溫(wen)(wen)之后(hou)，才通入滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)氣(qi)(qi)體，保證了大(da)小(xiao)工件(jian)開端(duan)滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)點(dian)的(de)(de)(de)(de)(de)同(tong)(tong)步性，這是滲(shen)(shen)(shen)(shen)(shen)碳(tan)(tan)(tan)(tan)(tan)層(ceng)(ceng)均勻(yun)(yun)的(de)(de)(de)(de)(de)基礎(chu)。無錫(xi)齒輪熱(re)(re)處理(li)公司熱(re)(re)處理(li)可(ke)以提高材(cai)料的(de)(de)(de)(de)(de)熱(re)(re)穩定(ding)性和(he)耐高溫(wen)(wen)性能，適用于高溫(wen)(wen)環境。

汽車運行時，變(bian)速(su)箱軸(zhou)和齒輪不僅承受高速(su)轉動時的(de)(de)扭矩和沖擊(ji)，還承受強(qiang)大的(de)(de)振動力(li)、摩(mo)擦力(li)，而(er)且必須滿足在(zai)高溫環(huan)境下運行；作為變(bian)速(su)箱中的(de)(de)關鍵部(bu)件，軸(zhou)和齒輪產(chan)品需(xu)要具備(bei)良好的(de)(de)機械性(xing)能(neng)(neng)、綜合力(li)學性(xing)能(neng)(neng)和耐高溫性(xing)能(neng)(neng)；變(bian)速(su)箱齒輪經(jing)滲碳(tan)淬火后(hou)，表(biao)面碳(tan)含(han)量(liang)(liang)增加，形(xing)(xing)成針(zhen)狀馬氏體和殘(can)余奧氏體組織，增強(qiang)了表(biao)面強(qiang)度和耐磨(mo)性(xing)，心部(bu)仍維持較低的(de)(de)含(han)碳(tan)量(liang)(liang)，能(neng)(neng)夠保證較高的(de)(de)強(qiang)度和沖擊(ji)韌(ren)性(xing)。變(bian)速(su)箱齒輪和軸(zhou)在(zai)熱處理(li)過程中始終伴有產(chan)品變(bian)形(xing)(xing)，在(zai)實際生產(chan)中，過大的(de)(de)變(bian)形(xing)(xing)量(liang)(liang)以及不同(tong)條件下變(bian)形(xing)(xing)量(liang)(liang)的(de)(de)變(bian)化在(zai)工件經(jing)過熱后(hou)磨(mo)削加工后(hou)，會(hui)造成硬化層的(de)(de)深淺不一，使(shi)得殘(can)余應力(li)分布(bu)不均，影響齒輪的(de)(de)使(shi)用壽命。

淬火(huo)(huo)(huo)鋼(gang)(gang)回(hui)火(huo)(huo)(huo)后(hou)(hou)(hou)的(de)性(xing)(xing)能(neng)取決于其內(nei)部顯微(wei)組織；鋼(gang)(gang)的(de)顯微(wei)組織因其化(hua)學成(cheng)分、淬火(huo)(huo)(huo)工藝(yi)和回(hui)火(huo)(huo)(huo)工藝(yi)而異(yi)。碳(tan)(tan)鋼(gang)(gang)在100~250℃之間回(hui)火(huo)(huo)(huo)后(hou)(hou)(hou)可(ke)以(yi)獲得(de)更好(hao)的(de)機械性(xing)(xing)能(neng)。合(he)金結(jie)構鋼(gang)(gang)在200~700℃之間回(hui)火(huo)(huo)(huo)爐回(hui)火(huo)(huo)(huo)后(hou)(hou)(hou)的(de)機械性(xing)(xing)能(neng)的(de)典型(xing)變化(hua)如圖5所示。5.從圖5可(ke)以(yi)看出，隨著回(hui)火(huo)(huo)(huo)溫(wen)度(du)的(de)升高(gao)，鋼(gang)(gang)的(de)抗(kang)拉強度(du)單調下(xia)降；屈服強度(du)0.3先稍微(wei)升高(gao)，然后(hou)(hou)(hou)降低；截(jie)面收縮率(lv)和伸長率(lv)不斷提高(gao)；韌性(xing)(xing)（以(yi)斷裂(lie)韌性(xing)(xing)K1C為(wei)指標(biao)）的(de)總體(ti)趨勢(shi)是上升，但(dan)在300~400℃與500~550℃之間有兩(liang)個極小(xiao)值(zhi)，相應地稱(cheng)為(wei)低溫(wen)回(hui)火(huo)(huo)(huo)脆性(xing)(xing)和高(gao)溫(wen)回(hui)火(huo)(huo)(huo)脆性(xing)(xing)。許多合(he)金鋼(gang)(gang)淬火(huo)(huo)(huo)后(hou)(hou)(hou)在500~550℃之間回(hui)火(huo)(huo)(huo)，或在600℃以(yi)上溫(wen)度(du)回(hui)火(huo)(huo)(huo)后(hou)(hou)(hou)以(yi)500~550℃的(de)緩慢冷卻(que)速度(du)通過時發生(sheng)的(de)脆化(hua)現象。真(zhen)空(kong)滲碳(tan)(tan)熱處(chu)理價格表，歡迎咨詢東宇東庵（無錫）科技有限公司(si)。

氣體(ti)碳(tan)氮(dan)(dan)共(gong)滲(shen)(shen)的(de)(de)(de)(de)(de)主(zhu)要目的(de)(de)(de)(de)(de)是提(ti)(ti)高(gao)(gao)鋼(gang)(gang)(gang)的(de)(de)(de)(de)(de)硬度(du)(du)，耐(nai)磨性(xing)(xing)和(he)疲勞強度(du)(du)。低(di)(di)溫(wen)(wen)氣體(ti)碳(tan)氮(dan)(dan)共(gong)滲(shen)(shen)以(yi)滲(shen)(shen)氮(dan)(dan)為主(zhu)，其主(zhu)要目的(de)(de)(de)(de)(de)是提(ti)(ti)高(gao)(gao)鋼(gang)(gang)(gang)的(de)(de)(de)(de)(de)耐(nai)磨性(xing)(xing)和(he)抗咬(yao)合性(xing)(xing)。調質處(chu)理(li)（quenchingandtempering）：一(yi)(yi)般(ban)習慣將淬火(huo)(huo)(huo)(huo)加高(gao)(gao)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)相結合的(de)(de)(de)(de)(de)熱處(chu)理(li)稱為調質處(chu)理(li)。調質處(chu)理(li)廣泛應用(yong)于各(ge)種重要的(de)(de)(de)(de)(de)結構零件(jian)(jian)，特別是那(nei)些在交變負(fu)荷下工(gong)(gong)作(zuo)的(de)(de)(de)(de)(de)連桿、螺栓(shuan)、齒輪及軸類等(deng)。調質處(chu)理(li)后(hou)得到回(hui)(hui)火(huo)(huo)(huo)(huo)索氏(shi)(shi)體(ti)組(zu)織，它的(de)(de)(de)(de)(de)機(ji)械性(xing)(xing)能(neng)均(jun)比(bi)(bi)相同硬度(du)(du)的(de)(de)(de)(de)(de)正火(huo)(huo)(huo)(huo)索氏(shi)(shi)體(ti)組(zu)織更優。它的(de)(de)(de)(de)(de)硬度(du)(du)取(qu)決于高(gao)(gao)溫(wen)(wen)回(hui)(hui)火(huo)(huo)(huo)(huo)溫(wen)(wen)度(du)(du)并與鋼(gang)(gang)(gang)的(de)(de)(de)(de)(de)回(hui)(hui)火(huo)(huo)(huo)(huo)穩定性(xing)(xing)和(he)工(gong)(gong)件(jian)(jian)截面(mian)尺寸(cun)有關，一(yi)(yi)般(ban)在HB200—350之間。碳(tan)氮(dan)(dan)共(gong)滲(shen)(shen)溫(wen)(wen)度(du)(du)比(bi)(bi)滲(shen)(shen)碳(tan)溫(wen)(wen)度(du)(du)低(di)(di)因此比(bi)(bi)滲(shen)(shen)碳(tan)產(chan)品(pin)的(de)(de)(de)(de)(de)變形量減少，氮(dan)(dan)的(de)(de)(de)(de)(de)滲(shen)(shen)入提(ti)(ti)高(gao)(gao)冷卻性(xing)(xing)能(neng)改(gai)善疲勞壽(shou)命等(deng)。工(gong)(gong)藝原理(li)：向鋼(gang)(gang)(gang)件(jian)(jian)表面(mian)同時滲(shen)(shen)入碳(tan)、氮(dan)(dan)（通過NH3氣體(ti)）的(de)(de)(de)(de)(de)化學表面(mian)熱處(chu)理(li)工(gong)(gong)藝。以(yi)滲(shen)(shen)碳(tan)為主(zhu)，滲(shen)(shen)入少量氮(dan)(dan)熱處(chu)理(li)可以(yi)改(gai)變金屬的(de)(de)(de)(de)(de)硬度(du)(du)、強度(du)(du)、韌性(xing)(xing)、耐(nai)腐蝕性(xing)(xing)、磁性(xing)(xing)等(deng)性(xing)(xing)質，從而使其更適(shi)合特定的(de)(de)(de)(de)(de)應用(yong)。無錫45鋼(gang)(gang)(gang)熱處(chu)理(li)技術(shu)

熱處理價(jia)格。歡(huan)迎咨詢東(dong)宇東(dong)庵(an)（無(wu)錫）科(ke)技(ji)有限公司。無(wu)錫調質(zhi)熱處理設備(bei)

零件經(jing)滲(shen)碳(tan)(tan)擴散(san)過程完畢后，移動至氣(qi)淬單元(yuan)，瞬間通(tong)入大量高壓(ya)(ya)氮氣(qi)使其在零件表面快速(su)流(liu)轉冷卻(que)降溫，實現氣(qi)體冷卻(que)淬火(huo)。相(xiang)對(dui)于傳統的(de)可(ke)控(kong)氣(qi)氛滲(shen)碳(tan)(tan)熱(re)處(chu)理，真空熱(re)處(chu)理技(ji)術(shu)更具(ju)備(bei)(bei)“綠色(se)、環保、節能(neng)、高效”的(de)技(ji)術(shu)特點。在當(dang)前歐(ou)州、美國、日本(ben)等發達(da)**的(de)汽(qi)車工業中，低(di)壓(ya)(ya)真空熱(re)處(chu)理技(ji)術(shu)已經(jing)得(de)到廣泛應用，伴隨汽(qi)車行業競爭日益激烈，我國環保形勢(shi)日益嚴峻(jun)，汽(qi)車產(chan)品技(ji)術(shu)逐(zhu)步提高，軸齒低(di)壓(ya)(ya)真空滲(shen)碳(tan)(tan)熱(re)處(chu)理技(ji)術(shu)將(jiang)逐(zhu)步替代常規可(ke)控(kong)氣(qi)氛滲(shen)碳(tan)(tan)熱(re)處(chu)理技(ji)術(shu)成為主要的(de)熱(re)處(chu)理生產(chan)技(ji)術(shu)。無(wu)錫(xi)調質(zhi)熱(re)處(chu)理設備(bei)(bei)