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src="https://tyunfile.71360.com/UploadFile/nabore/637358676215224609/9735564.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="t7ivc37" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nabore/637358676215224609/9735564.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yhjbdkr" 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>北京大型真空爐設(shè)備,真空爐</p><p><span>***更新：</span>2020-12-29 05:13:52</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="w8bdact" 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="tdkr8pt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7proq3u" class="box"><p><p style="text-indent:25px">真空熱處理爐工作原理：真空熱處理是真空技術(shù)與熱處理技術(shù)相結(jié)合的新型熱處理技術(shù)，真空熱處理所處的真空環(huán)境指的是低于個(gè)大氣壓的氣氛環(huán)境，包括低真空，北京大型真空爐設(shè)備、中等真空、高真空和超高真空，真空熱處理實(shí)際也屬于氣氛控制熱處理。真空熱處理是指熱處理工藝的部和部分在真空狀態(tài)下進(jìn)行的，真空熱處理可以實(shí)現(xiàn)幾乎所有的常規(guī)熱處理所能涉及的熱處理工藝，但熱處理質(zhì)量提高。與常規(guī)熱處理相比，北京大型真空爐設(shè)備，真空熱處理的同時(shí)，可實(shí)現(xiàn)無(wú)氧化、無(wú)脫碳，北京大型真空爐設(shè)備、無(wú)滲碳，可去掉工件表面的磷屑，并有脫脂除氣等作用，從而達(dá)到表面光亮凈化的果。真空加熱、常壓或高壓氣冷淬火時(shí)氣流均勻性對(duì)零件淬硬效果和質(zhì)量分散度有很大影響。北京大型真空爐設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京大型真空爐設(shè)備,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676215224609/9735564.png"></div><p style="text-indent:25px">雙開(kāi)門(mén)真空氣氛爐：SG-XQL1200型箱式真空氣氛爐以電阻絲為加熱元件，采用控溫系統(tǒng)，可控硅控制；爐膛采用氧化鋁多晶纖維材料，保溫效果好；雙層殼體結(jié)構(gòu)，帶有風(fēng)冷和水冷系統(tǒng)，能快速降溫，爐門(mén)配有水冷，以防密封圈過(guò)快老化，保證爐門(mén)與爐膽的可靠密封。主要用途和適用范圍：可應(yīng)用于電子元器件、新型材料及粉體材料的真空或氣氛條件下的熱處理工藝。也用于冶金、機(jī)械、輕工、商檢、高等院校及科研部門(mén)、工礦企業(yè)電子陶瓷產(chǎn)品的預(yù)燒、燒結(jié)、釬焊等工藝。主要功能和特點(diǎn)：加熱元件采用電阻絲，爐膛采用氧化鋁多晶纖維材料，保溫性能好，耐用，拉伸強(qiáng)度高，提高了使用壽命；可抽真空，并能通入多種保護(hù)氣氛（易燃易爆、強(qiáng)腐蝕性氣體除外）；超壓自動(dòng)泄壓，高溫報(bào)警并斷電，漏電保護(hù)，操作方便；我們的軟件設(shè)備通過(guò)485或USB接口與計(jì)算機(jī)互聯(lián)。湖北快速真空爐應(yīng)用真空爐測(cè)量裝置:鎢錸熱電偶對(duì)設(shè)備的溫區(qū)進(jìn)行溫度測(cè)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京大型真空爐設(shè)備,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676649091797/6999207.png"></div><p style="text-indent:25px">真空爐的溫度控制系統(tǒng)采用控溫精度為百分之零點(diǎn)一的智能化溫度控制儀表，按產(chǎn)品工藝曲線編制計(jì)算機(jī)控制程序控制真空爐的升溫、保溫、降溫過(guò)程、溫度控制儀表的運(yùn)行，停止由PC機(jī)自動(dòng)控制，實(shí)現(xiàn)工藝曲線溫度控制的技術(shù)要求。溫度控制系統(tǒng)可設(shè)定，存貯多條控溫曲線，每條曲線可分為多段控制，每條溫控曲線均具有任選的PID參數(shù)，自調(diào)諧功能，以保證升溫?zé)o超調(diào)，系統(tǒng)可適合多種分度號(hào)熱電偶和預(yù)先設(shè)定升溫保溫曲線。溫控儀輸出4-20mA電流信號(hào)給觸發(fā)單元，觸發(fā)單元把電流信號(hào)變?yōu)殡妷盒盘?hào)，其輸出控制勵(lì)磁回路的直流電壓電流，從而控制了磁調(diào)的電壓電流，保證真空爐按設(shè)定的曲線加熱和保溫。</p><p style="text-indent:25px">在工程設(shè)計(jì)中，通常都是通過(guò)增大強(qiáng)冷系統(tǒng)的功率和換熱器的面積來(lái)提高真空爐的冷卻速率，這樣也就導(dǎo)致了換熱器結(jié)構(gòu)和風(fēng)機(jī)結(jié)構(gòu)體積過(guò)大。另外，強(qiáng)冷系統(tǒng)工作時(shí)，被冷工件的表面降溫均勻性對(duì)工件的組織結(jié)構(gòu)有重要影響，一般解決此類(lèi)問(wèn)題的方法是在爐膽上增加環(huán)向噴嘴，但是由于風(fēng)阻的增加，使降溫效率大打折扣。調(diào)研國(guó)外真空爐強(qiáng)冷系統(tǒng)的結(jié)構(gòu)時(shí)發(fā)現(xiàn)，國(guó)外普遍使用的氣流換向結(jié)構(gòu)比以上提及的兩種結(jié)構(gòu)在冷卻效率、工件降溫均勻性方面有較大提升。真空爐可用高頻感應(yīng)加熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京大型真空爐設(shè)備,真空爐" src="https://tyunfile.71360.com/UploadFile/nabore/637358676720927734/5373981.png"></div><p style="text-indent:25px">各方面推廣真空熱處理設(shè)備生產(chǎn)廠的一條龍服務(wù)，確保設(shè)備使用終身服務(wù)制，解決使用單位的后顧之憂。加強(qiáng)科研教育與生產(chǎn)企業(yè)的密切聯(lián)系，努力培養(yǎng)大批企業(yè)受歡迎的熱處理科技工作人員。企業(yè)采用走出去和請(qǐng)進(jìn)來(lái)的辦法，加強(qiáng)技術(shù)交流。比如，在使用真空熱處理技術(shù)中遇到難題時(shí)，應(yīng)該鼓勵(lì)技術(shù)人員走出去，向有經(jīng)驗(yàn)的單位或**部門(mén)請(qǐng)教、學(xué)習(xí)，也可邀請(qǐng)熱心的**到現(xiàn)場(chǎng)來(lái)幫助診斷，提供解決方案。真空熱處理的發(fā)展方向：大力發(fā)展高壓氣淬爐。低真空高壓熱處理技術(shù)非常值得重視。真空系統(tǒng)在整個(gè)燒結(jié)過(guò)程中可配置不同的真空機(jī)組。湖北快速真空爐應(yīng)用</p><p style="text-indent:25px">真空爐出現(xiàn)于20世紀(jì)30年代前后。北京大型真空爐設(shè)備</p><p style="text-indent:25px">真空爐設(shè)置加熱和壓力程序：（1）設(shè)定加熱程序加熱：一般按程序設(shè)定，高溫升溫率為100℃/min，如果要在試驗(yàn)初期迅速提高溫升，則可將溫升模式置于“手動(dòng)”齒輪內(nèi)。緩慢調(diào)整順時(shí)針?lè)较虻墓β室跃徛黾与娏?；一般情況下，溫度可在低于200℃的溫度下手動(dòng)升高，否則，不允許溫度控制。在1000~2000℃范圍內(nèi)，采用紅外自動(dòng)控制爐溫。注：必須在真空中進(jìn)行加熱：注意觀察電流儀表指示禁止超過(guò)二次額定電流700A。冷卻可以通過(guò)程序設(shè)定，也可以直接關(guān)閉加熱，這樣就可以自行降溫。注：冷卻過(guò)程中不允許水停止時(shí)，爐體密封圈會(huì)燒壞。 (2)設(shè)置增壓程序。 1.預(yù)加載：在加熱前進(jìn)行預(yù)加載，通常在1.0-1.5MPa范圍內(nèi)；可手動(dòng)實(shí)現(xiàn)預(yù)加載。 2.加壓：將溫度提高到預(yù)定溫度后，對(duì)樣品進(jìn)行加壓。該例程通常設(shè)置為自動(dòng)加壓樣品。北京大型真空爐設(shè)備</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2610345.html</p></div></div></div></div></div><div id="uzbyv33" class="page-right twoColRt"><div id="3p88egn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8w4hoqx" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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