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clearfix"><h1>廣西氮化硅升液管鄒平奧翔硅碳供應(yīng)</h1><div id="hg33iiz" class="proBig"><div id="8ja2iy8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793144531/4025686.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="g3wa2zf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793144531/4025686.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="77nevsj" 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>廣西氮化硅升液管</p><p><span>***更新：</span>2020-06-10 10:05:07</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="3hnrcyp" 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="bl3djar" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="enolcie" class="box"><p><p style="text-indent:25px">氮化硅陶瓷具有高韌性、高抗彎強(qiáng)度和高耐磨性，優(yōu)異的隔熱性能，熱膨脹系數(shù)接近于鋼等優(yōu)點，廣泛應(yīng)用于光伏、鋁鑄造、造紙、汽車、****等陶瓷結(jié)構(gòu)領(lǐng)域，產(chǎn)品有防彈片、高溫絕緣保護(hù)罩、測溫管、氮化硅鉤，廣西氮化硅升液管、熱保護(hù)管、升液管、焊接定位銷、定位塊、燕尾面板、噴嘴及耐磨制品、軸和軸套、機(jī)械刀片等，其高穩(wěn)定性和優(yōu)越性能已經(jīng)在材料工業(yè)中備受矚目。低壓鑄造是將鑄型放在一個密閉的爐子上面，型腔的下面用一個管(叫升液管)和爐膛里的金屬液相通，廣西氮化硅升液管。如果在爐膛中金屬液面上加入帶壓力的空氣，金屬液會從升液管中流入型腔。待金屬液凝固以后，將爐膛中的壓縮空氣釋放，未凝固的金屬從升液管中流回到爐中?？刂屏魅霠t膛空氣的壓力、速度,就可以控制金屬流入型腔中的速度和壓力，并能讓金屬在壓力下結(jié)晶凝固。這種工藝特點是鑄件在壓力下結(jié)晶，結(jié)構(gòu)致密，廣西氮化硅升液管，機(jī)械性能好，金屬利用率高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西氮化硅升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611793144531/4025686.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；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。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，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(jìn)入型腔前的熱量損失。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西氮化硅升液管" src="https://tyunfile.71360.com/UploadFile/zbwuzi/637238611663466797/7096292.jpg"></div><p> 將造粒得到的粉粒體通過70目篩后，使用震動加料機(jī)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300MPa的壓力下進(jìn)行冷等靜壓成型，保持壓力100s，脫模后得到升液管生坯；將得到的升液管生坯置于氣壓燒結(jié)爐內(nèi)，抽真空并通電加熱，加熱至900℃后，在繼續(xù)加熱的同時，向爐內(nèi)充入純度為％的氮氣進(jìn)行加壓，加熱至1100℃時壓力為，保溫1h后，繼續(xù)加熱至1400℃，在繼續(xù)加熱的同時，向爐內(nèi)繼續(xù)充入純度為％的氮氣進(jìn)行加壓，達(dá)到氣壓燒結(jié)的溫度為1900℃、壓力為10MPa，氣壓燒結(jié)結(jié)束后，停止加熱并關(guān)閉進(jìn)氣閥，隨爐冷卻至100℃開始卸壓，開爐并進(jìn)行精加工和成品檢驗，得到氮化硅升液管。實施例3首先將氮化硅粉和助燒劑混合后得到混合粉體，然后將混合粉體與無水乙醇混合，制成漿料，具體來說，氮化硅粉由重量百分比為92％的亞微米氮化硅粉和8％的納米氮化硅粉混合組成，混合粉體與無水乙醇的質(zhì)量按照1:，攪拌均勻后得到固含量為30—50％的漿料；助燒劑占氮化硅粉的質(zhì)量百分比為5％助燒劑為納米Al2O3和Y2O3。其次，將制得的漿料于140℃進(jìn)行離心噴霧干燥造粒，轉(zhuǎn)速為60r/min，在溫度為55℃的環(huán)境中出料得到粉粒體。然后。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西氮化硅升液管" src="http://tyunfile.71360.com/UpLoadFile/2019/7/27/16/636998404504441736_zbwuzi_2531527.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/212922.html</p></div></div></div></div></div><div id="cgctplx" class="page-right 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