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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rx2jfl8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江西真空爐廠家,真空爐</p><p><span>***更新：</span>2021-01-02 05:15:19</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="33fabw8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">納博熱（上海）工業(yè)爐有限公司</a></p><p><span>聯(lián)系人：</span>齊秀萍</p><p><span>郵箱: </span>info@nabertherm-cn.com</p><p><span>電話: </span>13816407062</p><p><span>傳真: </span>021_64903107</p><p><span>網(wǎng)址: </span>http://www.nabertherm-cn.com</p><p><span>手機(jī): </span>021-64902960</p><p><span>地址: </span>瓶北路150弄158號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="byyfzk3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="muvbhxi" class="box"><p><p style="text-indent:25px">什么是真空燒結(jié)爐？從1839年熔煉白金絲實(shí)驗(yàn)成功以來，在以后的一百多年人們開始研究難熔金屬的熔煉。1953年真空電弧爐才正式用到工業(yè)上。直到1956年，美國(guó)和歐洲許多還在用非自耗爐熔煉鈦，1955年開始用自耗爐煉鋼。1960年左右自耗爐生產(chǎn)的錠重已達(dá)30多噸，初具規(guī)模。為了提高生產(chǎn)率和設(shè)備的利用率，兩臺(tái)爐子共用一套主電源、真空系統(tǒng)和自動(dòng)控制系統(tǒng)。真空爐，即在爐腔這一特定空間內(nèi)利用真空系統(tǒng)（由真空泵、真空測(cè)量裝置，江西真空爐廠家、真空閥門等元件經(jīng)過精心組裝而成）將爐腔內(nèi)部分物質(zhì)排出，江西真空爐廠家，使?fàn)t腔內(nèi)壓強(qiáng)小于一個(gè)標(biāo)準(zhǔn)大氣壓，爐腔內(nèi)空間從而實(shí)現(xiàn)真空狀態(tài)，這就是真空爐，江西真空爐廠家。為了提高真空燒結(jié)過程的加熱速度和爐溫的均勻性，在燒結(jié)初期可通入適量氣體(惰性氣體或氫氣)。江西真空爐廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西真空爐廠家,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676649091797/6999207.png"></div><p style="text-indent:25px">在極為不利的條件下工作，必須保證各部件的結(jié)構(gòu)不變形、不損壞，真空密封圈不過熱、不燒毀。因此，各部件應(yīng)該根據(jù)不同的情況設(shè)置水冷裝置，以保證真空熱處理爐能夠正常運(yùn)行并有足夠的使用壽命。采用低電壓大電流：在真空容器內(nèi)，當(dāng)真空空度為幾托一lxlo-1托的范圍內(nèi)時(shí)，真空容器內(nèi)的通電導(dǎo)體在較高的電壓下，會(huì)產(chǎn)生輝光放電現(xiàn)象。在真空熱處理爐內(nèi)，嚴(yán)重的會(huì)產(chǎn)生弧光放電，燒毀電熱元件、隔熱層等，造成重大事故和損失。因此，真空熱處理爐的電熱元件的工作電壓，一般都不超過80一100伏。江西真空爐廠家真空爐爐體、感應(yīng)圈之冷卻水源——蓄水池之水必須充滿，水中不得有雜質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西真空爐廠家,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676230566406/9307395.png"></div><p style="text-indent:25px">熱處理在工業(yè)機(jī)械制造上會(huì)經(jīng)常用到的，用來將金屬例如鋼，進(jìn)行熱加工。那么熱處理工藝都有哪些分類呢？現(xiàn)在還要說個(gè)高點(diǎn)的熱處理，真空熱處理工藝，種與熱處理技術(shù)相結(jié)合的種新型熱處理，可以實(shí)現(xiàn)表面光潔凈化的果。熱處理工藝分類：金屬熱處理工藝大體可分為整體熱處理、表面熱處理和化學(xué)熱處理三大類。根據(jù)加熱介質(zhì)、加熱溫度和冷卻方法的不同，每大類又可區(qū)分為若干不同的熱處理工藝。同種金屬采用不同的熱處理工藝，可獲得不同的組織，從而具有不同的性能。鋼鐵是工業(yè)上應(yīng)用廣的金屬，而且鋼鐵顯微組織也為復(fù)雜，因此鋼鐵熱處理工藝種類繁多。</p><p style="text-indent:25px">真空爐設(shè)定加熱程序：升溫：般通過程序來設(shè)定，大升溫速率100℃/min，若實(shí)驗(yàn)前期要快速升溫可以將升溫方式置于“手動(dòng)”檔。順時(shí)針慢慢調(diào)節(jié)功率使電流慢慢上升來升溫；般200℃以下可以先手動(dòng)方式升溫，否則溫控不準(zhǔn)。l000-2000℃，可采用紅外自動(dòng)控制爐溫。注意：升溫必須在真空狀態(tài)下進(jìn)行：注意觀察電流儀表指示禁止超過次額定電流700A。降溫可通過程序來設(shè)定，或直接把加熱關(guān)閉讓其自行降溫。注意：降溫過程中不允許停水，否則爐體密封圈會(huì)被燒壞。不能超負(fù)荷使用真空氣氛爐。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西真空爐廠家,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676315527344/3650319.png"></div><p style="text-indent:25px">真空鎢絲爐是用鎢絲或鎢網(wǎng)作發(fā)熱元件的真空電阻爐，供金屬化合物、陶瓷、無機(jī)化合物等在真空或保護(hù)氣氛中燒結(jié)制品，也可用于金屬材料的熱處理。主要應(yīng)用于電容、鉭材等金屬及由難熔金屬組成的合金材料、陶瓷材料碳化硅及氮化硅的高溫?zé)Y(jié)、也可以供金屬材料在高真空條件下的高溫?zé)崽?理或貴金屬材料的除氣處理。爐體:雙層304不銹鋼水冷結(jié)構(gòu)，并經(jīng)精密拋光，有利于縮短抽氣時(shí)間，且便于清潔;爐蓋:雙層水冷的結(jié)構(gòu)，內(nèi)外壁均為304并經(jīng)精密拋光處理，中間通冷卻水。真空熱處理爐正常工作時(shí)是在限的真空度下進(jìn)行的。江西真空爐廠家</p><p style="text-indent:25px">使用真空燒結(jié)爐工作時(shí)，試驗(yàn)中如果有液體存在，就需要個(gè)真空燒結(jié)爐的液體蒸發(fā)的過程。江西真空爐廠家</p><p style="text-indent:25px">1400℃臥式真空碳管爐：主要應(yīng)用于合金材料中易揮發(fā)元素(如鉛、鋅等)的真空蒸餾工藝，高價(jià)氧化物在真空高溫下進(jìn)行熱還原工藝，熒光粉材料以及合金材料在高真空或保護(hù)氣氛下的熱處理等。爐體:雙層304不銹鋼水冷結(jié)構(gòu)，精密拋光，有利于縮短抽氣時(shí)間，且便于清潔;爐蓋:雙層水冷的結(jié)構(gòu)，內(nèi)外壁均為304并經(jīng)精密拋光處理，中間通冷卻水。爐蓋上裝有多鏡觀察窗、爐蓋打開機(jī)構(gòu)等;加熱保溫:加熱系統(tǒng)采用石墨筒形加熱器，保證了較佳的溫度均勻性和工件的均勻受熱，且便于發(fā)熱體的維修及更換。側(cè)面及底面的隔熱屏均采用由硬氈、軟氈共同組成的復(fù)合保溫層，經(jīng)過加工制作成一個(gè) 整體的隔熱系統(tǒng)。密封圈組成真空系統(tǒng)，另配備熱偶電離兩用復(fù)合真空計(jì)進(jìn)行真空測(cè)量。充氣裝置:主要由充氣閥、流量計(jì)、充氣管道等組成，用于燒結(jié)工藝所需充氬氣、氮?dú)獾臍夥找蟆＝髡婵諣t廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2668055.html</p></div></div></div></div></div><div id="jy7p8zf" class="page-right twoColRt"><div id="342xav7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wozqmc3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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