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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>山西升液管廠家直銷</p><p><span>***更新：</span>2020-06-07 11:03:01</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="edfhe23" 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(jī): </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(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="uogyq8n" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ut7tl77" class="box"><p><p> 造成鑄件的夾雜缺點；對于金屬升液管而言，由于坩堝或熔融爐中的金屬液的溫度往往高達(dá)800至1000°C，因此金屬升液管(例如，鐵管)如果長期浸泡在高溫金屬液(例如，鋁水)中，會導(dǎo)致升液管的金屬成分進(jìn)入高溫金屬液，如果這兩種金屬并不相同的話，就會嚴(yán)重影響產(chǎn)品的質(zhì)量，而升液管本身也會受到極大損害，另外，由于金屬受熱之后會產(chǎn)生膨脹，也會對金屬升液管產(chǎn)生影響。實用新型內(nèi)容本實用新型主要解決的技術(shù)問題是提供一種既具有較高的牢固度，又不會與高溫金屬液發(fā)生不利反應(yīng)，能夠減少澆注時液體金屬的噴濺和對留在坩堝底部的金屬沖擊攪動的低壓鑄造升液管。為解決上述技術(shù)問題，本實用新型采用的一個技術(shù)方案是提供一種低壓鑄造升液管，包括同心設(shè)置的外管和內(nèi)管，所述內(nèi)管的內(nèi)壁上設(shè)置有碳化硅薄膜，升液管進(jìn)口處設(shè)有一個與升液管固定連接的阻尼器，所述阻尼器側(cè)面均勻設(shè)置有若干小孔。在本實用新型一個較佳實施例中，所述外管為耐火水泥管，所述內(nèi)管為金屬管。在本實用新型一個較佳實施例中，所述金屬管為不銹鋼管，山西升液管廠家直銷，山西升液管廠家直銷，山西升液管廠家直銷、鐵管或鋼管中的一種。在本實用新型一個較佳實施例中，所述小孔為4-8個。在本實用新型一個較佳實施例中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西升液管廠家直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611663466797/7096292.jpg"></div><p> 升液管的制作方法：本實用新型公開了一種升液管，包括升液管本體a（2）、升液管本體b（8），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、陶瓷等耐高溫、耐腐蝕材料制作；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°。本實用新型涉及一種升液管，具體的說涉及一種鋁合金車輪低壓鑄造使用的升液管。[0002]由于鋁合金車輪是汽車上**為重要的外觀件及**件之一，因此各主機(jī)廠都對車輪供貨提出了嚴(yán)格的要求，無論是尺寸、外觀還是性能均要滿足一定的設(shè)計標(biāo)準(zhǔn)。目前，世界上約80%的鋁合金車輪生產(chǎn)采用低壓鑄造成形工藝，該技術(shù)屬于底部中心澆注形式，保溫爐內(nèi)的高溫鋁液通過升液管道進(jìn)入模具型腔，并在模具及外部冷卻的共同作用下凝固成形，**終得到合格的毛坯鑄件。在整個鑄造系統(tǒng)中，升液管作為連接保溫爐與模具的通道。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西升液管廠家直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611663466797/1418562.jpg"></div><p> 本發(fā)明涉及一種鋁合金低壓鑄造澆注系統(tǒng)裝置，具體地說，涉及一種低壓鑄造鋁合金齒輪箱用升液管結(jié)構(gòu)和制造方法。背景技術(shù)：隨著國內(nèi)高鐵市場的快速發(fā)展，高鐵齒輪箱作為動車組傳動系統(tǒng)的部件之一，齒輪箱鑄件的化學(xué)元素要求之高近乎苛刻，低壓鑄造齒輪箱鑄件通常采用鐵質(zhì)升液管，特定的鑄造工藝決定了升液管必須在鋁液中長時間浸泡，在生產(chǎn)制造過程中，F(xiàn)e（鐵）元素與Al（鋁）元素極易發(fā)生反應(yīng)，鐵質(zhì)升液管很容易被腐蝕，污染鋁液，時而伴隨著齒輪箱鑄件的化學(xué)元素Fe超標(biāo)，另外，在使用過程中，若鐵質(zhì)升液管發(fā)生局部被腐蝕導(dǎo)致漏氣，現(xiàn)場很難發(fā)現(xiàn)，澆注時極易造成批量質(zhì)量問題。Fe元素在鋁合金中是一種雜質(zhì)元素，這種雜質(zhì)相主要以一種板條狀或針狀形成的AlFeSi相存在于合金基體中，嚴(yán)重割裂基體，對齒輪箱鑄件的疲勞性能、沖擊韌性、延伸率等性能指標(biāo)產(chǎn)生極大的影響，齒輪箱鑄件Fe含量要求≤，然而，在實際生產(chǎn)過程中增Fe不可避免，受制于原材料成本的原因，原材料Fe含量一般在，本身增Fe空間就極其狹窄，一旦控制不當(dāng)，極易發(fā)生Fe元素超標(biāo)。傳統(tǒng)的齒輪箱鑄造過程中會在升液管壁涂覆一種涂料，但*通過涂料方式阻止增Fe效果不夠理想，因為在低壓鑄造生產(chǎn)過程中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西升液管廠家直銷" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793261719/1330015.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/178760.html</p></div></div></div></div></div><div id="lpr2mwi" 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