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href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設(shè)備</a>?無錫覆膜砂V法鑄造企業(yè) 誠(chéng)信為本江陰華天科技供應(yīng)</p><div id="g2y9heb" class="leftbox clearfix"><h1>無錫覆膜砂V法鑄造企業(yè) 誠(chéng)信為本江陰華天科技供應(yīng)</h1><div id="scz8m2e" class="proBig"><div id="3zrjd8y" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zoldf3c" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="c2s48fc" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>無錫覆膜砂V法鑄造企業(yè),V法鑄造</p><p><span>***更新：</span>2020-12-04 06:15:21</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="shtgdpm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江陰華天科技開發(fā)有限公司</a></p><p><span>聯(lián)系人：</span>謝經(jīng)理</p><p><span>郵箱: </span>273371292@qq.com</p><p><span>電話: </span>13961688156</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.jy-dannier.com</p><p><span>手機(jī): </span>0510-86273026</p><p><span>地址: </span>月城鎮(zhèn)月翔路17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="uebyvho" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2q3v8gi" class="box"><p><p style="text-indent:25px">為了保證在足夠短的時(shí)間內(nèi)覆膜完成而又不至于因速度過快對(duì)EVA薄膜造成不必要的影響，覆膜行程高度的設(shè)計(jì)也是很重要的一方面。而覆膜行程高度過高（見圖3），也正是是造成覆膜下降時(shí)間過長(zhǎng)的主要原因。當(dāng)然，覆膜行程高度，不*要考慮覆膜時(shí)間，也要考慮模具的高度，甚至有時(shí)候也要考慮完成其他工序時(shí)工人的作業(yè)空間。這需要根據(jù)具體的鑄件產(chǎn)品和其他工裝設(shè)備的因素去綜合衡量。但是，保證覆膜框在5s內(nèi)下行至模具是明確的，無錫覆膜砂V法鑄造企業(yè)，也是合理的，無錫覆膜砂V法鑄造企業(yè)，無錫覆膜砂V法鑄造企業(yè)。真空泵水環(huán)中的水溫度不能高于40℃，以便冷卻抽入的熱氣體。國(guó)內(nèi)一般選用2BE﹑SK及機(jī)械泵等。無錫覆膜砂V法鑄造企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造企業(yè),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png"></div><p> 采用V法鑄造的原因 </p> <p> 根據(jù)國(guó)內(nèi)外經(jīng)驗(yàn)來看，V法鑄造在耐磨鑄件上所具有的產(chǎn)品質(zhì)量高，環(huán)境友好的優(yōu)勢(shì)是人們選擇此工藝的重要原因之一。成本和環(huán)保方面的優(yōu)勢(shì)眾所周知，而質(zhì)量?jī)?yōu)勢(shì)除了V法工藝本身具有的高表面質(zhì)量、高尺寸精度外，因?yàn)榱鲃?dòng)性的提升使得低溫澆注成為可能，可能會(huì)在細(xì)化晶粒提高耐磨性方面有一定的探索價(jià)值。 </p> <p> 我國(guó)鑄造企業(yè)數(shù)量多，整體鑄件質(zhì)量較低，鑄造企業(yè)所面臨的環(huán)保壓力、人力成本壓力越來越大，從提升產(chǎn)品質(zhì)量控制環(huán)境污染的角度，V法鑄造工藝有望在今后引起更好的關(guān)注和更***的應(yīng)用。3 V法鑄造工藝與水玻璃砂鑄造工藝耐磨內(nèi)部組織質(zhì)量對(duì)比及分析為了充分應(yīng)用好V法鑄造工藝，必須深刻認(rèn)識(shí)其工藝特性，尤其是局限性。基于此，全國(guó)消失模與V法鑄造技術(shù)**會(huì)V法課題團(tuán)隊(duì)在2014年針對(duì)V法鑄造工藝和水玻璃砂鑄造工藝生產(chǎn)的耐磨鑄件進(jìn)行了內(nèi)部金相組織的對(duì)比，希望能夠?yàn)樾袠I(yè)的發(fā)展提供一定借鑒和參考。無錫覆膜砂V法鑄造企業(yè)鑄型都必須保持一定的真空度以固定松散的干砂，確保鑄型有足夠的強(qiáng)度和剛度澆注時(shí)防止鑄型坍塌和鑄件變形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造企業(yè),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><p> 造型臺(tái)車移動(dòng)式V法造型機(jī)組 </p> <p> 該造型機(jī)組由上箱和下箱造型。在臺(tái)車造型機(jī)上完成覆膜、噴（刷）涂料、涂料烘干，而后臺(tái)車移至砂斗下加砂振實(shí)后又移出復(fù)位蓋膜、抽真空、頂箱起模，吊車將鑄型吊走。電動(dòng)臺(tái)車在固定的軌道上前后移動(dòng)，臺(tái)車上裝有震實(shí)臺(tái)、負(fù)壓箱、型板及模樣。電加熱器在臺(tái)車的上部，有移動(dòng)機(jī)構(gòu)可兼管2臺(tái)造型機(jī)使用，用人工烘烤覆膜，也可設(shè)計(jì)成自動(dòng)加熱覆膜機(jī)。覆膜抽真空后噴（刷）涂料而后進(jìn)行涂料烘干，放置砂箱。完成上述工序后，驅(qū)動(dòng)臺(tái)車至砂斗下，空氣彈簧進(jìn)氣，抬起震實(shí)臺(tái)以上部分與加砂斗的雨淋下砂口對(duì)接，驅(qū)動(dòng)下砂氣缸，向砂箱加砂而后振實(shí)。當(dāng)達(dá)到所需要時(shí)間后，震實(shí)停止，震實(shí)臺(tái)下降，電動(dòng)臺(tái)車移至原位，蓋膜并給鑄型抽真空，當(dāng)鑄型達(dá)到一定的緊實(shí)度后，移到頂箱機(jī)構(gòu)處進(jìn)行頂箱起模后，用吊車運(yùn)至合箱處。江陰華天科技開發(fā)有限公司為福建龍巖盛豐機(jī)械制造有限公司和中恒通（福建）機(jī)械制造有限公司設(shè)計(jì)的V法生產(chǎn)線就是采用這種形式，主要生產(chǎn)載重車后橋和制動(dòng)鼓，各種叉車，裝載機(jī)及其他機(jī)械設(shè)備用平衡重類灰鑄鐵件，生產(chǎn)**10000t/年，造型生產(chǎn)率8～10型/h，比較大砂箱內(nèi)尺寸2000×1400×320/360mm。 </p><p style="text-indent:25px">V法鑄造是真空密封造型或負(fù)壓造型鑄造工藝的簡(jiǎn)稱，其原理是利用塑料薄膜覆模造型并密封砂箱，依靠真空泵抽出型內(nèi)空氣，造成型內(nèi)箱外壓力差，使干砂緊實(shí)，形成所需型腔。其比較大優(yōu)勢(shì)是型砂不使用粘結(jié)劑，干砂回用率高達(dá)95%以上，不*節(jié)能環(huán)保、落砂簡(jiǎn)便、改善勞動(dòng)條件，而且鑄件表面品質(zhì)和尺寸精度**提高。V法鑄造是日本長(zhǎng)野縣工業(yè)試驗(yàn)所和秋田株式會(huì)社于1971年的發(fā)明專利。V法鑄造至今經(jīng)過了38年的發(fā)展，同消失模鑄造一樣，作為第3代造型方法即物理硬化方法，在世界上尤其是在中國(guó)獲得了長(zhǎng)足的發(fā)展。涂料是保證鑄件表面質(zhì)量，防止粘砂的關(guān)鍵；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造企業(yè),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.png"></div><p> 對(duì)于澆注系統(tǒng)的設(shè)計(jì)，不少文獻(xiàn)和資料均有詳盡解說，在此不再贅述，*就注意事項(xiàng)簡(jiǎn)要說明。 </p> <p> 澆注系統(tǒng)盡量采用半開半閉方案，這種扼流型澆注系統(tǒng)可以有效避免高紊流狀態(tài)發(fā)生，可以降低金屬液在充型腔過程中的流動(dòng)速度和對(duì)型壁、坭芯的沖擊，減少鑄造缺點(diǎn)。 </p> <p> 盡量采用陶瓷材料成型澆注系統(tǒng)，避免鋼水長(zhǎng)時(shí)間沖刷澆道而造成由于夾砂、夾涂料產(chǎn)生的鑄造缺點(diǎn)。 </p> <p> 盡可能采用中間澆注方式，這樣可以減少因底注造成對(duì)上型壁長(zhǎng)時(shí)間烘烤造成塌型、上型凹陷、薄膜和涂料產(chǎn)生的氣孔等，亦可減弱頂注產(chǎn)生對(duì)下型壁和坭芯的沖擊、紊流和裹氣等缺點(diǎn)。 </p> <p> 合理布置冒口，尤其是明冒口布置，一般應(yīng)布置在澆口附近和遠(yuǎn)離澆口的鑄件末端，便于透氣和排氣，易于鑄件成型和減少氣孔。一般灰鑄鐵推薦選用底注半封閉式澆注系統(tǒng)，其澆道截面積比例為F直∶F橫∶F內(nèi)＝1∶(1.2～1.5)∶(0.8～1)；無錫先進(jìn)V法鑄造設(shè)備</p><p style="text-indent:25px">當(dāng)負(fù)壓度小于0.038MPa時(shí)，鑄型易發(fā)生脹箱、變形及塌砂。無錫覆膜砂V法鑄造企業(yè)</p><p> 首先，模樣作成空心，表面開設(shè)抽氣孔（抽氣孔直徑一般為0.5～2.5 mm），形成抽氣室，模樣盡量避免尖銳的棱角，較大的模樣內(nèi)部設(shè)置加強(qiáng)筋，以保證在抽氣負(fù)壓作用下，模樣不破裂或變形；其次，薄膜和模樣之間較光滑，模樣撥模斜度可適當(dāng)減??； </p> <p> 木模表面不宜涂刷漆片溶液或耐溫低于60～70℃的其它油漆，否則將烘熱的塑料薄膜覆上后會(huì)出現(xiàn)粘膜現(xiàn)象，影響拔模。 </p> <p> 模樣的制作應(yīng)充分認(rèn)識(shí)V法鑄造抽真空的特點(diǎn)及保證吸膜成型性的需要，大平板及分型面處要保證足夠的強(qiáng)度和順暢的通氣性，利用定位銷或砂胎等使模樣定位要準(zhǔn)確。無錫覆膜砂V法鑄造企業(yè)</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司位于月城鎮(zhèn)月翔路17號(hào)。江陰華天科技致力于為客戶提供良好的氣力輸送，V法鑄造，輸送機(jī)械，環(huán)保設(shè)備，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。江陰華天科技立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2260264.html</p></div></div></div></div></div><div id="sc7mo7o" class="page-right twoColRt"><div id="p87l8mz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rbdfxzg" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="zjgyvx3" class="recomPic likePro"><a 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