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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shyoufeng1/637400360774536711/8452634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kifxrdc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shyoufeng1/637400360774536711/8452634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7moqpqs" 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>上海電腦編程馬弗爐維修,馬弗爐</p><p><span>***更新：</span>2021-02-05 13:26:03</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7egdxt7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海有豐科學(xué)儀器有限公司</a></p><p><span>聯(lián)系人：</span>劉經(jīng)理</p><p><span>郵箱: </span>360230273@qq.com</p><p><span>電話: </span>18964566781</p><p><span>傳真: </span>021_58553450</p><p><span>網(wǎng)址: </span>http://shyoufeng1.shop.88360.com</p><p><span>手機(jī): </span>021-58553563</p><p><span>地址: </span>四團(tuán)鎮(zhèn)邵廠橫橋中心路352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="f7bicji" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="iizw333" class="box"><p><p> 榮豐科儀馬弗爐技術(shù)領(lǐng)域，具體涉及一種用于加工燒結(jié)鎢鉬的馬弗爐。背景技術(shù)：鎢、鉬是兩種耐高溫的金屬，鎢和鉬在一起，體現(xiàn)了一個(gè)行業(yè)，即難熔金屬行業(yè)。其它的難熔金屬還有鈮、鋯，上海電腦編程馬弗爐維修、鈦、鉿，而不是一個(gè)元素。對(duì)于工業(yè)發(fā)展有著很大的作用，現(xiàn)產(chǎn)品主要是用在氬弧焊機(jī)的通電電極上。中國(guó)是世界鎢鉬生產(chǎn)大國(guó)，出口占世界的80%，寬泛用于焊接，電光源，電子器件，化工，采礦，冶金，造船，石油，航天等工業(yè)領(lǐng)域，前景十分廣闊。鎢鉬及鎢鉬合金因具有良好導(dǎo)熱，導(dǎo)電，低熱膨脹系數(shù)，高溫強(qiáng)度，低蒸氣壓和耐磨等特性而成為電子電力設(shè)備制造業(yè)，金屬材料加工業(yè)，玻璃制造業(yè)，高溫爐件結(jié)構(gòu)部件制造，航空航天和**工業(yè)應(yīng)用的重材料。鉬及鉬合金在上述各領(lǐng)域的應(yīng)用主要采用機(jī)加工，成型與金屬加工和焊接等方法制成，上海電腦編程馬弗爐維修。鎢鉬的生產(chǎn)一般通過粉末冶金燒結(jié)方法進(jìn)行進(jìn)行加工，通常采用馬弗爐作為高溫加工容器，燒結(jié)過程中采用氫氣作為保護(hù)性氣體?，F(xiàn)有的馬弗爐通常是單門式結(jié)構(gòu)，進(jìn)料或出料都需要進(jìn)行開門作業(yè)，上海電腦編程馬弗爐維修，不能進(jìn)行連續(xù)加工，自動(dòng)化程度較低，操作人員往往需要用手工將鎢鉬半成品送到馬弗爐中，不僅生產(chǎn)效率較低，而且存在易燃易爆氫氣泄漏或高溫輻射等問題，工作環(huán)境較差。榮豐馬弗爐爐殼選用優(yōu)良鋼板折邊焊接制成，工作室為耐火材料制成的爐膛。上海電腦編程馬弗爐維修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電腦編程馬弗爐維修,馬弗爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyoufeng1/637400360774536711/8452634.png"></div><p> 榮豐科儀建議使用補(bǔ)償導(dǎo)線和冷端補(bǔ)償器時(shí)，將機(jī)械零點(diǎn)調(diào)整到冷端補(bǔ)償器的參考溫度點(diǎn)。如果不使用補(bǔ)償導(dǎo)線，則機(jī)械零點(diǎn)調(diào)整為零標(biāo)度，但指示的溫度是測(cè)量點(diǎn)和熱電偶冷端之間的溫差。5.檢查接線并確認(rèn)其正確后，蓋住控制器外殼。將溫度指示器的設(shè)置指針調(diào)整到所需的工作溫度，然后打開電源。打開電源開關(guān)。此時(shí)，儀表上的綠燈表示綠燈亮，繼電器開始工作，電爐通電，電流表顯示電流。隨著電爐內(nèi)部溫度的升高，溫度指示儀表指針也逐漸上升。這種現(xiàn)象表明系統(tǒng)正常工作。電爐的加熱和恒溫分別用溫度指示器的交通信號(hào)燈表示，綠燈表示溫度上升，紅燈表示恒溫。1.當(dāng)馬弗爐*次使用或長(zhǎng)期停用后，必須進(jìn)行烤箱?？鞠涞臅r(shí)間應(yīng)為200度，室溫下為4小時(shí)。200度至600度，持續(xù)4小時(shí)。使用時(shí)，爐溫不應(yīng)超過額定溫度，以免燒壞加熱元件。禁止將各種液體和易溶的金屬注入爐內(nèi)。馬弗爐推薦低于額定溫度50℃。此時(shí)，電線壽命長(zhǎng)。2.高溫馬弗爐和控制器必須在相對(duì)濕度不超過85％的地方工作，并且沒有導(dǎo)電灰塵，性氣體或腐蝕性氣體。當(dāng)需要加熱諸如油脂的金屬材料時(shí)，大量的揮發(fā)性氣體將影響和腐蝕電加熱元件的表面以破壞和縮短壽命。因此，在加熱時(shí)，應(yīng)及時(shí)防止和密封或適當(dāng)打開消除。上海電腦編程馬弗爐維修馬弗爐使用時(shí)爐膛溫度不得超過比較高爐溫，也不要長(zhǎng)時(shí)間工作在額定溫度以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電腦編程馬弗爐維修,馬弗爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyoufeng1/637400360937886245/7925764.png"></div><p> ℃)200*120*±1120020SX3-4-10300*200*SX3-5-SX3-8-10400*250*15SX3-10-陶瓷纖維馬弗爐安裝使用編輯1、打開包裝后，檢查陶瓷纖維馬弗爐是否完整無損，配件是否齊全。一般的馬弗爐不需要特殊安裝，只需平放在室內(nèi)平整的地面或擱架上?？刂破鲬?yīng)避免震動(dòng)，放置位置與電爐不宜太近。榮豐科儀建議防止因過熱而造成內(nèi)部元件不能正常工作。2、有熱電偶插入爐膛20-50mm，孔與熱電偶之間空隙用石棉繩填塞。連接熱電偶至控制比較好用補(bǔ)償導(dǎo)線(或用絕緣鋼芯線)，注意正負(fù)極，不要接反。3、在電源線引入處需要另外安裝電源開關(guān)，以便控制總電源。為了保證安全操作，電爐與控制器必須可靠接地。4、在使用前，將溫度表指示儀調(diào)整到零點(diǎn)，在使用補(bǔ)償導(dǎo)線及冷端補(bǔ)償器時(shí)，應(yīng)將機(jī)械零點(diǎn)調(diào)整至冷端補(bǔ)償器的基準(zhǔn)溫度點(diǎn)，不使用補(bǔ)償導(dǎo)線時(shí)，則機(jī)械零點(diǎn)調(diào)至零刻度位，但所指示的溫度為測(cè)量點(diǎn)和熱電偶冷端的溫差。5、經(jīng)檢查接線確認(rèn)無誤后，蓋上控制器外殼。將溫度指示儀的設(shè)定指針調(diào)整至所需要的工作溫度，然后接通電源。打開電源開關(guān)，此時(shí)溫度指示儀表上的綠燈既亮，繼電器開始工作，電爐通電，電流表即有電流顯示。隨著電爐內(nèi)部溫度的升高，溫度指示儀表指針也逐漸上升。</p><p> 加熱時(shí)應(yīng)及時(shí)預(yù)防和做好密封容器或適當(dāng)開孔加以排除。馬弗爐又稱箱式電阻爐或者工業(yè)電爐。馬弗爐控制器應(yīng)限于在環(huán)境溫度0-40℃范圍內(nèi)使用。根據(jù)技術(shù)要求，定期經(jīng)常檢查電爐、控制器的各接線的連線是否良好，指示儀指針運(yùn)動(dòng)時(shí)有無卡住滯留現(xiàn)象，并用電位差計(jì)校對(duì)儀表因磁鋼、退磁、漲絲、彈片的疲勞、平衡破壞等引起的誤差增大情況。熱電偶不要在高溫時(shí)驟然拔出，以防外套炸裂。經(jīng)常保持爐膛清潔，及時(shí)清理爐內(nèi)氧化物之類東西馬弗爐規(guī)格外觀設(shè)計(jì)馬弗爐的使用方法電爐采用人性化設(shè)計(jì)，美觀大方，操作方便，外層漆層使用噴塑高溫烘烤工藝。有耐高溫.耐氧化.耐酸堿能力。顏色選擇為耐老化的色調(diào)，不會(huì)因?yàn)槭褂脮r(shí)間長(zhǎng)產(chǎn)生外觀顏色褪色。殼體設(shè)計(jì)電爐殼體采用雙層強(qiáng)制風(fēng)冷構(gòu)造，使電爐在高溫度時(shí)爐殼外部溫度接近室溫，高不高于40攝氏度。溫控方式采用國(guó)際上先進(jìn)的宇電溫控儀：她具有30-51段可編程PID自整定.自動(dòng)升溫.自動(dòng)降溫?zé)o需值守.也可選配電腦通訊設(shè)定[連接上普通電腦即可啟動(dòng).停止.暫停升溫.設(shè)定升溫曲線.升溫曲線儲(chǔ)存.歷史曲線記錄等功能]溫控安全電爐采用集成化電路.模塊控制.雙回路保護(hù)[偏溫保護(hù).超高溫保護(hù).斷偶保護(hù).超流保護(hù)超壓保護(hù)等保護(hù)功能]使電爐工作穩(wěn)定可靠。馬弗爐裝取試樣時(shí)要戴**手套，以防燙傷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電腦編程馬弗爐維修,馬弗爐" src="https://tyunfile.71360.com/WaterMark/UploadFile/shyoufeng1/637400360657056170/316973.png"></div><p> 榮豐科儀建議馬弗爐在使用過程中難免會(huì)遇到一些故障，當(dāng)我們?cè)诰S修時(shí)也要注意一些事項(xiàng)，下面跟著**一起來學(xué)習(xí)如何正確使用馬弗爐和關(guān)于馬弗爐的維修知識(shí)吧。如何正確使用馬弗爐?(1)馬弗爐要放置在牢固的水泥臺(tái)面上，周圍不要存放化學(xué)試劑，更不可有易燃易爆品；(2)馬弗爐要有**電閘控制電源；(3)新爐初次次加熱時(shí)，溫度要多次逐段調(diào)節(jié)，緩慢升高；(4)在爐內(nèi)熔融或灼燒試樣時(shí)，必須嚴(yán)格控制升溫速度和比較高爐溫，以免樣品飛濺，腐蝕和粘結(jié)爐膛。如灼燒有機(jī)物、濾紙等必須預(yù)先灰化；(5)爐膛內(nèi)比較好襯上潔凈、平整的耐火材料薄板，以免偶然發(fā)生濺失時(shí)損壞爐壁；(6)馬弗爐用完后要先斷電，待溫度降到200℃以下后，才能打開爐門，裝取試樣時(shí)一定要切斷電源，以防觸電；(7)裝取試樣時(shí)爐門開啟時(shí)間應(yīng)盡量短，以延長(zhǎng)電爐使用壽命；(8)禁止向爐膛內(nèi)灌注任何液體；(9)不得將沾有水和油的試樣放入爐膛；不得用沾有水和油的夾子裝取試樣；(10)裝取試樣時(shí)要戴手套，以放燙傷；(11)試樣應(yīng)放在爐膛中間，整齊放好，切勿亂放；(12)不得隨便觸摸電爐及周圍的試樣；(13)使用完畢后應(yīng)切斷電源、水源；(14)使用時(shí)切勿超過本電阻爐的比較高溫度。馬弗爐是一種常見的電爐形式，分為立式，臥式，分體式，一體式。上海電腦編程馬弗爐維修</p><p style="text-indent:25px">馬弗爐溫度段分為1200度以下，1400度，1600度，1700度，1800度等。上海電腦編程馬弗爐維修</p><p> 斷開控制器后側(cè)的串口連接線，用儀表測(cè)試串口的6腳與9腳之間是否有短路現(xiàn)象。榮豐科儀建議要確保內(nèi)部無短路現(xiàn)象(即控制器后側(cè)的串口6腳與9腳之間無短路現(xiàn)象)。(2)確保輸入端有AC(170V～250)V，50Hz電壓輸入。(3)開關(guān)電源本身損壞。與廠家排除或更換。9、實(shí)驗(yàn)開始很長(zhǎng)一段時(shí)間爐溫升不到設(shè)定溫度：(1)爐絲開路。檢測(cè)爐絲是否斷路或者負(fù)載功率不夠(出現(xiàn)斷一組爐絲)。可用儀表測(cè)試爐絲阻值，正常約為10～15歐姆左右。(2)固態(tài)繼電器燒壞或損壞。檢查固態(tài)繼電器是否損壞或控制連線接觸不好。(3)電壓太低。10、不升溫或者不加熱(1)爐絲開路。檢查爐絲是否開路，打開馬弗爐后蓋，用儀表測(cè)試爐絲阻值，正常約為10～15歐姆左右。(檢查接線柱交界處是否可靠接觸)(2)固態(tài)繼電器燒壞或者損壞。檢查固態(tài)繼電器是否損壞或控制連線接觸不好。(3)熱電偶有開路現(xiàn)象。檢查是否開路，然后斷電重新啟動(dòng)設(shè)備。(4)控制線路故障。檢查串口數(shù)據(jù)線是否插接可靠牢固，檢查固態(tài)繼電器控制線接口處是否接觸可靠。(5)控制器問題。11、機(jī)殼帶電：(1)檢查供電線路是否有破損或者有拉絲與機(jī)殼連接。(2)檢查電源地線是否接觸可靠或者漏接。(3)空氣干燥，靜電所致。馬弗爐操作的每一步都需要謹(jǐn)慎一些。上海電腦編程馬弗爐維修</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3177604.html</p></div></div></div></div></div><div id="njqswsp" class="page-right twoColRt"><div id="oypbdpm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2ta3q79" class="recomPic likePro"><a 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