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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/third-drsb_redianou/">熱電偶</a>?西藏氮化硅陶瓷升液管供應(yīng)商鄒平奧翔硅碳供應(yīng)</p><div id="vpmoqsk" class="leftbox clearfix"><h1>西藏氮化硅陶瓷升液管供應(yīng)商鄒平奧翔硅碳供應(yīng)</h1><div id="e7gxs28" class="proBig"><div id="yli2prj" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998404504285637_zbwuzi_1046117.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sgyaxog" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998404504285637_zbwuzi_1046117.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sbd83su" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>西藏氮化硅陶瓷升液管供應(yīng)商,升液管</p><p><span>***更新：</span>2020-08-08 12:01:56</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="d2gylsz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">鄒平縣奧翔硅碳制品有限公司</a></p><p><span>聯(lián)系人：</span>張洪恩</p><p><span>郵箱: </span>13884861614@163.com</p><p><span>電話: </span>13884861614</p><p><span>傳真: </span>0543_4534117</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0543-4533667</p><p><span>地址: </span>山東省鄒平市臨池鎮(zhèn)望京村</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pbd3x2i" class="page-proshow02"><p class="title">詳細說明</p><div id="lfxpm7w" class="box"><p><p style="text-indent:25px">氮化硅發(fā)熱體保護管-鋁液、金屬熔液恒溫用發(fā)熱體保護管　　壓鑄過程中溫度控制是獲得優(yōu)良鑄件的重要因素，西藏氮化硅陶瓷升液管供應(yīng)商，為了將熔液控制在***佳澆注溫度，采用發(fā)熱體來恒定溫度。氮化硅輻射管在保護發(fā)熱體不受侵蝕的同時還確保了熔液單位面積受熱均勻和受熱速度快。在鋁鉛鋅等有色金屬行業(yè)通常采用浸入式加熱方式，可用電或燃氣加熱，耐腐蝕、導(dǎo)熱快、效率高、壽命長。工藝： 1、冷等靜壓成型 2、機械加工 3、反應(yīng)燒結(jié)/氣壓燒結(jié) 特點： 1、良好的致密性、強度高 2，西藏氮化硅陶瓷升液管供應(yīng)商、優(yōu)異的導(dǎo)熱性，西藏氮化硅陶瓷升液管供應(yīng)商、抗熱沖擊性 3、與鋁熔液等有色金屬熔液不浸潤、耐腐蝕 4、耐高溫、熱膨脹系數(shù)低奧翔硅碳有著質(zhì)量的服務(wù)質(zhì)量和極高的信用等級。西藏氮化硅陶瓷升液管供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏氮化硅陶瓷升液管供應(yīng)商,升液管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998404504285637_zbwuzi_1046117.jpg"></div><p> 二者通過連接螺栓緊固；升液管本體a(2)設(shè)置法蘭，升液管本體a(2)選用普通鐵質(zhì)材料制作，升液管本體b(8)選用氮化硼、碳化硅、陶瓷中之一制作;升液管本體a(2)和升液管本體b(8)的接縫處設(shè)置密封墊圈(9)，升液管本體a(2)和升液管本體b(8)的接縫處設(shè)置過濾片(4)，升液管本體b(8)的下端設(shè)置第二過濾片(7);升液管本體b的內(nèi)壁截面呈“正錐型”，錐角5-8°，開口逐漸縮小，升液管本體a的內(nèi)壁截面呈“直線+倒錐型”，錐角5-10°。2.根據(jù)權(quán)利要求1所述的升液管，其特征在于:密封墊圈(9)的厚度為3mm，過濾片(4)、第二過濾片(7)的厚度為5mm。3.根據(jù)權(quán)利要求1所述的升液管，其特征在于:升液管本體b的內(nèi)壁截面呈“正錐型”，錐角5°，液管本體a的內(nèi)壁截面呈“直線+倒錐型”，錐角9°。貴州升液管出口奧翔硅碳以顧客為本，誠信服務(wù)為經(jīng)營理念。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏氮化硅陶瓷升液管供應(yīng)商,升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793261719/1330015.jpg"></div><p> 在車輪生產(chǎn)中的作用舉足輕重。依據(jù)生產(chǎn)經(jīng)驗，一個質(zhì)量的升液管應(yīng)該具備以下特點:良好的保溫性，比較大限度的減少鋁液在進入型腔前的熱量損失，以防止發(fā)生鋁液凍死；具備較強的鋁液過濾能力，不可以將保溫爐內(nèi)的氧化膜等雜質(zhì)帶入模具型腔，形成鑄件夾渣廢品；具有良好的耐腐蝕性、耐高溫性，保證升液管有較長的使用壽命；價格經(jīng)濟，節(jié)約生產(chǎn)成本。然而，現(xiàn)有技術(shù)中的升液管很難兼具上述幾種特質(zhì)，也因此會造成生產(chǎn)中工藝控制困難，鑄件夾渣缺點頻發(fā)，產(chǎn)品外觀不達標導(dǎo)致客戶抱怨等等問題，這些問題都嚴重的制約著車輪的成品率，并明顯提高了企業(yè)的制造成本。本實用新型的目的是提供一種有良好保溫性、很強鋁液撇渣過濾能力、較高耐蝕性、較長的使用壽命以及優(yōu)良的經(jīng)濟性的車輪低壓鑄造用升液管。[0004]本實用新型的技術(shù)方案是:升液管，包括升液管本體、連接螺栓、定位圓銷、密封墊、過濾片。升液管本體包括升液管本體a、升液管本體b，二者通過連接螺栓緊固。升液管本體a設(shè)置法蘭，借助螺栓將本實用新型連接在機臺底板上。升液管本體a在上端，不浸入鋁液，選用普通的鐵質(zhì)材料制作。下端的升液管本體b始終與高溫鋁液接觸，工作狀況相對惡劣。</p><p> 低壓鑄造升液管的制作方法技術(shù)領(lǐng)域：本實用新型涉及壓鑄機領(lǐng)域，特別是涉及一種低壓鑄造升液管。背景技術(shù)：低壓鑄造是使液體金屬在較低壓力作用下充填型腔、以形成鑄件的一種方法，其工藝過程是在密封的容器中，通入干燥的壓縮空氣，在氣體壓力的作用下，液體金屬沿升液管上升，通過澆口平穩(wěn)地進入型腔，并保持坩堝內(nèi)液面上的氣體壓力；到鑄件完全凝固后，解除液面上的氣體壓力，使升液管中未凝固的液體金屬回流坩堝，再取出鑄件。由于低壓鑄造中的液體金屬充型比較平穩(wěn)，鑄件成形性好，輪廓清晰、表面光潔、致密，機械性能高，工藝收得率高，勞動條件好，易于實現(xiàn)機械化和自動化，因而低壓鑄造的方式得到使用。但升液管的幾何特性對液態(tài)金屬的流動有很大影響，會直接影響到鑄件的冶金質(zhì)量，如鑄件內(nèi)的氣孔、氧化夾雜和夾渣都與升液管的性質(zhì)密切相關(guān)。已有的升液管存在的問題有1、在澆注的時候，液體金屬經(jīng)由升液管進入型腔時，容易產(chǎn)生金屬噴濺，造成二次氧化夾雜、冷豆等鑄造缺點；2、當液體金屬回流的時候，液體金屬流直接沖擊坩堝底部，會對坩堝底部的金屬形成沖擊攪動，使沉淀坩堝底部的夾雜物重新懸浮起來，下次澆注時這些夾雜物隨液體金屬流進入鑄件。奧翔硅碳始終以適應(yīng)和促進工業(yè)發(fā)展為宗旨。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏氮化硅陶瓷升液管供應(yīng)商,升液管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998404504441736_zbwuzi_2531527.jpg"></div><p> 當液態(tài)金屬液流經(jīng)小孔5進入升液管時，流線因劇烈的壓縮后突然擴張而產(chǎn)生局部摩阻，能有效地澆注過程中的速度振蕩；鑄件凝固后，升液管內(nèi)未凝固的液態(tài)金屬通過小孔5從阻尼器4的側(cè)面緩慢回流出，不會對坩堝底部的金屬液造成沖擊，防止了鑄件夾雜物的產(chǎn)生。以上所述*為本實用新型的實施例，并非因此限制本實用新型的**范圍，凡是利用本實用新型說明書及附圖內(nèi)容所作的等效結(jié)構(gòu)或等效流程變換，或直接或間接運用在其他相關(guān)的技術(shù)領(lǐng)域，均同理包括在本實用新型的**保護范圍內(nèi)。權(quán)利要求1.一種低壓鑄造升液管，其特征在于包括同心設(shè)置的外管(1)和內(nèi)管0)，所述內(nèi)管(2)的內(nèi)壁上設(shè)置有碳化硅薄膜(3)，升液管進口處設(shè)有一個與升液管固定連接的阻尼器G)，所述阻尼器(4)側(cè)面均勻設(shè)置有若干小孔(5)。2.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述外管(1)為耐火水泥管，所述內(nèi)管⑵為金屬管。3.根據(jù)權(quán)利要求2所述的低壓鑄造升液管，其特征在于所述金屬管為不銹鋼管、鐵管或鋼管中的一種。4.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述小孔(為4-8個。5.根據(jù)權(quán)利要求1所述的低壓鑄造升液管，其特征在于所述小孔(5)的面積之和與升液管橫截面積之比為1:6-1:10。奧翔硅碳傾城服務(wù)，確保產(chǎn)品質(zhì)量無后顧之憂。西藏氮化硅陶瓷升液管供應(yīng)商</p><p style="text-indent:25px">奧翔硅碳用先進的生產(chǎn)工藝和規(guī)范的質(zhì)量管理，打造優(yōu)良的產(chǎn)品！西藏氮化硅陶瓷升液管供應(yīng)商</p><p> 脫模后得到升液管生胚；將所述升液管生胚進壓燒結(jié)，得到氮化硅升液管。進一步，a步驟中，混合粉體與無水乙醇的質(zhì)量按照1:1-2的配比進行配置，攪拌均勻后得到固含量為30—50％的漿料。b步驟中，將制得的漿料于130-150℃進行離心噴霧干燥造粒，轉(zhuǎn)速為60r/min，在溫度為50-60℃的環(huán)境中出料得到粉粒體。c步驟中，將造粒得到的粉粒體通過70目篩后，使用震動加料機將其填充于升液管模具中并邊填入邊振動，震動頻率為150Hz，然后將所述坩堝模具置于等靜壓設(shè)備中，在200-300MPa的壓力下進行冷等靜壓成型，保持壓力100s，脫模后得到升液管生坯。d步驟中，氣壓燒結(jié)的溫度為1900℃～2000℃，氣壓燒結(jié)的壓力1-10MPa。使用時，本發(fā)明的氮化硅升液管是由氮化硅粉和助燒劑組成的混合粉體進行造粒、成型，得到升液管生胚，所述助燒劑為Al2O3和Y2O3；將所述升液管生胚進壓燒結(jié)，得到氮化硅升液管。本發(fā)明采用Al2O3和Y2O3為助燒劑，不但能夠促進氮化硅晶粒生長，降低燒結(jié)溫度，而且能夠減少在燒結(jié)過程中氮化硅的分解。本發(fā)明的氮化硅材質(zhì)升液管具有極高的耐熱溫度，可耐熱1800℃，而且成本低，可以多次重復(fù)使用。具體實施方式下面結(jié)合實施例對本發(fā)明作進一步的描述。西藏氮化硅陶瓷升液管供應(yīng)商</p><p style="text-indent:25px">鄒平縣奧翔硅碳制品有限公司是一家硅碳棒，硅碳管，熱電偶保護管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護管，氮化硅保護管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門型硅碳棒，槍型硅碳棒，升液管，輻射管的公司，創(chuàng)建于2002-03-27。鄒平奧翔硅碳供應(yīng)作為硅碳棒，硅碳管，熱電偶保護管。等直徑硅碳棒，U型硅碳棒，螺紋硅碳棒，碳化硅制品，碳化硅結(jié)合氮化硅，碳化硅保護管，氮化硅保護管，碳化硅窯具！硅碳棒夾具，粗端式硅碳棒。門型硅碳棒，槍型硅碳棒，升液管，輻射管的品牌企業(yè)，為客戶提供質(zhì)量的[ "硅碳棒廠家", "碳化硅保護管", "熱電偶保護管", "碳化硅結(jié)合氮化硅" ]。公司堅持以技術(shù)創(chuàng)新為發(fā)展引擎，以客戶滿意為動力，目前擁有51~100人專業(yè)人員，年營業(yè)額達到50-100萬元。鄒平奧翔硅碳供應(yīng)始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/848153.html</p></div></div></div></div></div><div id="qfhj32h" class="page-right twoColRt"><div id="aur32ro" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vrbog3i" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="hbyqxzl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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