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真空燒結爐的熱處理技術都有哪些呢
發布時間:2017-04-27   瀏覽:2753次

  真空燒結爐的(de)熱處理技(ji)術都有(you)哪些呢?目前八佳電氣總結了主要(yao)有(you)以(yi)下五種。希望大家可以(yi)從中(zhong)學到自己(ji)所需要(yao)的(de)。

  1、可控(kong)氣氛(fen)熱處理

  可控氣氛熱處理(li)主要是防氧(yang)化和(he)(he)脫碳(tan)(tan),并對滲(shen)碳(tan)(tan)和(he)(he)滲(shen)氮(dan)做到*的(de)控制。緊貼用(yong)戶要求,針對性推(tui)出各種(zhong)價格適中、款式多(duo)樣、性能優(you)越的(de)可控氣氛爐。大都能做到真空燒結爐工藝參數(shu)的(de)優(you)化、預測和(he)(he)*控制碳(tan)(tan)濃度(du)的(de)分(fen)布(bu),獲(huo)得理(li)想的(de)濃度(du)分(fen)布(bu)和(he)(he)滲(shen)層組(zu)織;可實現計算機(ji)管理(li),具有(you)簡(jian)單的(de)菜單設計,友(you)好的(de)人機(ji)界面(mian)。

  2、真空熱處理

  真空(kong)(kong)熱(re)處(chu)理技(ji)(ji)術(shu)應(ying)用(yong)和發展(zhan)得到進一步的(de)(de)(de)完善和推廣,它具有無氧化(hua)(hua)、無脫碳、淬(cui)火后工件表面(mian)清潔(jie)光亮、耐磨性高、無污染、自(zi)動(dong)化(hua)(hua)程度高等(deng)特點(dian)。工業生(sheng)產中廣泛采用(yong)了真空(kong)(kong)退火爐(lu),真空(kong)(kong)除氣,真空(kong)(kong)油淬(cui),真空(kong)(kong)水淬(cui),真空(kong)(kong)氣淬(cui),真空(kong)(kong)回火及真空(kong)(kong)滲(shen)碳等(deng)熱(re)處(chu)理技(ji)(ji)術(shu)。真空(kong)(kong)燒結爐(lu)的(de)(de)(de)真空(kong)(kong)熱(re)處(chu)理是熱(re)處(chu)理車間*普及的(de)(de)(de)*主要的(de)(de)(de)技(ji)(ji)術(shu)之一。

  3、感應熱處(chu)(chu)理和離(li)子氮(dan)化熱處(chu)(chu)理技術

  真空燒結爐的感(gan)應熱處理以(yi)***、節能(neng)、清(qing)潔、靈活性等(deng)優勢(shi)廣泛應用于汽車(che)工(gong)業(ye),工(gong)程機械,石油(you)化工(gong)等(deng)行(xing)業(ye),近(jin)40%的汽車(che)零(ling)部(bu)件可(ke)采用感(gan)應熱處理,如曲軸、齒輪、萬向節、半軸等(deng)。采用感(gan)應加熱,許多產品加工(gong)可(ke)建成全自動或半自動生產線,提高產品質量的穩(wen)定性,減輕勞動強度,美(mei)化工(gong)作環境(jing)。

  4、淬火介(jie)質與冷卻技術(shu)

  理想的(de)淬(cui)火(huo)介質應該有(you)以下(xia)幾個特征:(1)質量(liang)型(xing):高溫階段快(kuai)冷,低(di)溫階段慢冷。即消除裂紋,減(jian)少淬(cui)火(huo)變形。(2)環保型(xing):無(wu)有(you)毒、有(you)害(hai)煙塵或氣體的(de)揮(hui)發,不易燃燒,工件淬(cui)火(huo)后(hou)易清洗(xi),對(dui)真空(kong)燒結爐設備無(wu)腐蝕,不刺激燒傷皮膚(fu)。(3)穩定型(xing):工件淬(cui)火(huo)后(hou)性(xing)(xing)能(neng)均勻穩定,介質本身在一定時期內性(xing)(xing)能(neng)穩定。(4)經(jing)濟型(xing):高質優價(jia),能(neng)耗小。

  5、采(cai)用新的(de)表(biao)面強化(hua)技術(shu)和(he)推廣(guang)氮基氣氛的(de)熱處(chu)理

  原有的工具表面處(chu)理(li)(li)(li)方(fang)法(fa)***于蒸汽處(chu)理(li)(li)(li)、氧氮(dan)化(hua)(hua)等陳舊方(fang)法(fa),一般只能提(ti)高工具壽命30%~50%。氮(dan)基氣(qi)氛(fen),用于保護熱(re)(re)處(chu)理(li)(li)(li)和化(hua)(hua)學(xue)熱(re)(re)處(chu)理(li)(li)(li),可以(yi)(yi)實(shi)現無氧化(hua)(hua)脫碳熱(re)(re)處(chu)理(li)(li)(li),并(bing)可以(yi)(yi)避免熱(re)(re)處(chu)理(li)(li)(li)氮(dan)脆,氮(dan)基氣(qi)氛(fen)的化(hua)(hua)學(xue)熱(re)(re)處(chu)理(li)(li)(li),可以(yi)(yi)減少真(zhen)空(kong)速凝爐的內氧化(hua)(hua)等缺陷,提(ti)高化(hua)(hua)學(xue)熱(re)(re)處(chu)理(li)(li)(li)質量。

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