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src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611794599609/522082.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8r8wjqx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611794599609/522082.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v3fpwif" 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>山東鋁水升液管出口</p><p><span>***更新：</span>2020-06-11 07:45:58</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="gaxrdpm" 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="nce9tnu" class="page-proshow02"><p class="title">詳細說明</p><div id="vphlsjb" class="box"><p><p> 一種復(fù)合結(jié)構(gòu)的氮化硅結(jié)合碳化硅陶瓷升液管的制作方法技術(shù)領(lǐng)域：本實用新型屬于特種陶瓷材料的制備技術(shù)領(lǐng)域，主要涉及一種復(fù)合結(jié)構(gòu)的氮化硅結(jié)合碳化硅陶瓷升液管。背景技術(shù)：升液管是低壓鑄造機上的關(guān)鍵部件之一，其性能及穩(wěn)定性直接影響鑄造產(chǎn)品的質(zhì)量和生產(chǎn)效率。其工作原理是下端插入保溫爐鋁合金熔液內(nèi)，上端連接鑄造模具腔，通過壓力作用鋁合金熔液由下而上進入模具腔完成鑄造，山東鋁水升液管出口。根據(jù)工作條件要求升液管要具有良好的抗熱震性，抗鋁合金熔液的腐蝕，與鋁合金熔液不潤濕，良好的氣密性和抗熱沖擊疲勞性。目前市場上主要產(chǎn)品有鑄鐵升液管、鈦酸鋁升液管和氮化硅結(jié)合碳化硅升液管；鑄鐵升液管在使用中易對鋁合金鑄件增鐵，且使用壽命短，影響生產(chǎn)效率；鈦酸鋁陶瓷的合成和燒結(jié)溫度不易控制，且強度不高；而氮化硅結(jié)合碳化硅升液管在鋁合金鑄造行業(yè)的使用比例越來越大，山東鋁水升液管出口，主要得益于其不與鋁合金熔液浸潤，且耐腐蝕，抗熱震性好，但是純陶瓷型的氮化硅結(jié)合碳化硅升液管成本較高，山東鋁水升液管出口。為解決上述技術(shù)問題，提出復(fù)合結(jié)構(gòu)的升液管，國內(nèi)復(fù)合結(jié)構(gòu)的升液管主要是采用鑄鐵管或無縫鋼管作為夾層材料，或是采用陶瓷內(nèi)襯來保證升液管的氣密性，采用鑄鐵管或無縫鋼管易對鑄造產(chǎn)品增鐵。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東鋁水升液管出口" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611794599609/522082.jpg"></div><p style="text-indent:25px">升液管與爐口及模具在對接安裝時，密封要嚴密，氣密封間隙的松緊與密封材料的選取十分重要。過緊時壓力大，長時間受力容易壓裂，過松時在很短時間里又會漏氣。使用中注意升液管使用時一定要注意減少對碳化硅升液管的敲擊,特別是堵鋁后不能硬砸。在更換模具、修理設(shè)備時 ,盡量減少沖擊震動,對升液管暴露的部位要注意保溫，防止急冷。扒渣時注意不要直接碰撞升液管,加注鋁液時注意避免直接沖澆到升液管體上。停爐維修停爐維修設(shè)備必須要把升液管拿出爐時,不要把熱的升液管直接倒放在地上,應(yīng)該用耐火材料包裹后立放在不受冷風(fēng)直吹處。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東鋁水升液管出口" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793261719/1330015.jpg"></div><p style="text-indent:25px">氮化硅升液管裝配時應(yīng)注意的問題，下面奧翔硅碳制品給我大家講解一下：升液管與爐口及模具在對接安裝時，密封要嚴密，氣密封間隙的松緊與密封材料的選取十分重要。過緊時壓力大，長時間受力容易壓裂，過松時在很短時間里又會漏氣。另外密封壓緊部位的選取要合理，避免使升液管法蘭盤受力錯位而減短使用壽命。要精確把握間隙、材料，安裝手法等環(huán)節(jié)逐步積累經(jīng)驗。升液管的低壓鑄造原理是在一密封的容器中，通入干燥的壓縮空氣或惰性氣體，使升液管的金屬液在氣體壓力下，自下而上地通過陶瓷升液管和澆注系統(tǒng)，平穩(wěn)地進入鑄型中去，保持容器內(nèi)氣體壓力至鑄件完全凝固為止，然后解除液面上的壓力，使陶瓷升液管和澆道中沒有凝固的金屬液由于重力而回到容器中，這樣在上面的鑄型中就形成所需要的鑄件。由此可見，其凝固順序是由上而下的，所以在鑄型設(shè)計時，都需人為地造成遠離澆口的部分首先凝固，因為低壓鑄造對“順序凝固”的要求是非常突出的。 </p><div 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