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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>泰州密封V法鑄造,V法鑄造</p><p><span>***更新：</span>2020-11-26 06:11:19</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="ds8krt3" 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: </span>0510-86273026</p><p><span>地址: </span>月城鎮(zhèn)月翔路17號</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="s8cew32" class="page-proshow02"><p class="title">詳細說明</p><div id="py7jb2b" class="box"><p><p style="text-indent:25px">金屬軟管抽氣和管式抽氣式復合砂箱。在V法鑄造實踐中，針對以上2種砂箱存在的各種問題，泰州密封V法鑄造，國內(nèi)多數(shù)廠家采用復合砂箱，其箱壁用10mm鋼板焊接，用金屬軟管抽氣。砂箱結(jié)構(gòu)簡單，單層壁構(gòu)成，可制作尺寸較大的砂箱。為避免塌箱引起鑄型沉降和變形，設(shè)置較密箱帶。金屬管兩端與固定在砂箱上壁的真空接頭相連，抽氣時，通過軟管的各活動節(jié)的縫隙來抽吸砂粒間的空氣，泰州密封V法鑄造，同時又能阻止細砂及粉塵被吸走。因軟管間隙較大易吸人砂粒和粉塵，真空管路系統(tǒng)必須配有濾砂和水浴裝置。干砂造型抽真空后減小了砂與砂之間的間隙，泰州密封V法鑄造，增加了砂與砂之間的摩擦力，提高砂強度。泰州密封V法鑄造</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州密封V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889985097657/1146380.png"></div><p> 造型臺車移動式V法造型機組 </p> <p> 該造型機組由上箱和下箱造型。在臺車造型機上完成覆膜、噴（刷）涂料、涂料烘干，而后臺車移至砂斗下加砂振實后又移出復位蓋膜、抽真空、頂箱起模，吊車將鑄型吊走。電動臺車在固定的軌道上前后移動，臺車上裝有震實臺、負壓箱、型板及模樣。電加熱器在臺車的上部，有移動機構(gòu)可兼管2臺造型機使用，用人工烘烤覆膜，也可設(shè)計成自動加熱覆膜機。覆膜抽真空后噴（刷）涂料而后進行涂料烘干，放置砂箱。完成上述工序后，驅(qū)動臺車至砂斗下，空氣彈簧進氣，抬起震實臺以上部分與加砂斗的雨淋下砂口對接，驅(qū)動下砂氣缸，向砂箱加砂而后振實。當達到所需要時間后，震實停止，震實臺下降，電動臺車移至原位，蓋膜并給鑄型抽真空，當鑄型達到一定的緊實度后，移到頂箱機構(gòu)處進行頂箱起模后，用吊車運至合箱處。江陰華天科技開發(fā)有限公司為福建龍巖盛豐機械制造有限公司和中恒通（福建）機械制造有限公司設(shè)計的V法生產(chǎn)線就是采用這種形式，主要生產(chǎn)載重車后橋和制動鼓，各種叉車，裝載機及其他機械設(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。南通真空密封V法鑄造價格V法鑄造型腔透氣性差，需要開設(shè)通氣孔，通氣孔的截面積與澆注系統(tǒng)的**小截面積比例控制在（1～5）∶1；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州密封V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p> 采用V法鑄造的原因 </p> <p> 根據(jù)國內(nèi)外經(jīng)驗來看，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)勢眾所周知，而質(zhì)量優(yōu)勢除了V法工藝本身具有的高表面質(zhì)量、高尺寸精度外，因為流動性的提升使得低溫澆注成為可能，可能會在細化晶粒提高耐磨性方面有一定的探索價值。 </p> <p> 我國鑄造企業(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)量對比及分析為了充分應用好V法鑄造工藝，必須深刻認識其工藝特性，尤其是局限性?；诖?，全國消失模與V法鑄造技術(shù)**會V法課題團隊在2014年針對V法鑄造工藝和水玻璃砂鑄造工藝生產(chǎn)的耐磨鑄件進行了內(nèi)部金相組織的對比，希望能夠為行業(yè)的發(fā)展提供一定借鑒和參考。 </p><p>?V法鑄造的特點<br></p><p>V法鑄造因其獨特生產(chǎn)工藝，使得生產(chǎn)出來的鑄件表面光潔度和尺寸精度高，生產(chǎn)工序簡單，金屬利用率高，模具和砂箱壽命長，減少型芯數(shù)量使用，舊砂可基本回用，節(jié)約造型成本，少污染且勞動強度低，適用于鑄鐵﹑鑄鋼﹑非鐵合金等鑄件的單件小批量或機械自動化大批量得生產(chǎn)。然造型操作較復雜，從造型開始至終需抽真空，且受薄膜本質(zhì)的限制，須有樹脂砂型芯方能生產(chǎn)復雜鑄件V法鑄造所用的模樣（如圖3.1所示）在V法鑄造生產(chǎn)中占有非常重要的地位，其質(zhì)量的優(yōu)劣直接影響鑄件的質(zhì)量。目前V法鑄造所用模樣一般用木質(zhì)。V法鑄造要求模樣表面光潔﹑尺寸精度高，其工藝收縮率及拔模斜度要小于粘土砂、水玻璃砂、樹脂砂等其他鑄造工藝，一般取收縮率為0．2％～0．8％，拔模斜度在0～1°。V法造型的模樣不與型砂接觸(由薄膜和涂料隔開)，磨損和變形很小，使用壽命長，但模樣結(jié)構(gòu)設(shè)計要考慮V法的要求。?<br>縮短了生產(chǎn)鏈，省去了高爐鐵水凝固和重熔環(huán)節(jié)，簡稱為短流程鑄造工藝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州密封V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> 耐火涂料的使用在V法鑄造中起到至關(guān)重要的作用。涂料層的性能不僅影響薄膜氣化氣體的遷移，而且與鑄件表面質(zhì)量密切相關(guān)。涂料載液一般選用乙醇、甲醇或異丙醇，綜合實踐一般選用乙醇含量大于95％的工業(yè)酒精，沸點為70℃，密度0．8g／cm，閃點12℃。V法鑄造用涂料應具有以下基本要求： </p> <p> 不與塑料薄膜反應，***無味； </p> <p> 具有好的懸浮性和強韌性，涂料層有高的透氣性及良好的抗機械滲透粘砂的能力； </p> <p> 較高耐火度，其中應含有耐火度較高的礦物和耐火度相對較低、易燒結(jié)的組分，燒結(jié)形成剝離層，清理時易潰散； </p> <p> 要有較小的發(fā)氣量，良好的流動性和觸變性； </p> <p> 較高附著力，涂料能牢固的粘附在塑料薄膜上形成致密的涂層。近國內(nèi)消失模生產(chǎn)廠家發(fā)展迅速，尤其是中小廠家，但實踐中有些鑄件采用消失模鑄造不很對號。泰州密封V法鑄造</p><p style="text-indent:25px">近年來，V法鑄造持續(xù)升溫。泰州密封V法鑄造</p><p> 重視設(shè)備的定向研發(fā) </p> <p> 長期以來，國內(nèi)V法鑄造生產(chǎn)線布局設(shè)計及關(guān)鍵技術(shù)的水平不高，砂箱等關(guān)鍵工裝設(shè)備結(jié)構(gòu)單一，難以滿足多種類產(chǎn)品的工藝生產(chǎn)要求。因此有必要在摸清楚V法鑄造耐磨鑄件工藝生產(chǎn)特點的基礎(chǔ)上，為實現(xiàn)工藝要求對設(shè)備進行相應的研發(fā)設(shè)計，配套不同類型的生產(chǎn)線形式以滿足不同企業(yè)的需求。以砂箱為例，砂箱結(jié)構(gòu)設(shè)計作為V法鑄造生產(chǎn)線的**內(nèi)容，是保障產(chǎn)品質(zhì)量的****裝備。在以往的生產(chǎn)經(jīng)驗中，因為砂箱結(jié)構(gòu)問題引起的生產(chǎn)問題層出不窮。對于V法鑄造生產(chǎn)耐磨鑄件，砂箱尺寸往往龐大；如何實現(xiàn)多品種鑄件的生產(chǎn)，在保障砂箱通用性的基礎(chǔ)上盡可能滿足冒口等工藝布置的要求，同時還便于生產(chǎn)組織管理和砂箱自身維護，都是砂箱設(shè)計需要重點關(guān)注的部分。除此之外，真空系統(tǒng)的使用和控制，生產(chǎn)線布局形式的設(shè)計及生產(chǎn)節(jié)奏的安排都將是耐磨件V法鑄造生產(chǎn)所用裝備重點研究的部分。泰州密封V法鑄造</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司業(yè)務涵蓋氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造機械及行業(yè)設(shè)備良好品牌。江陰華天科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2149270.html</p></div></div></div></div></div><div id="pz8ucoq" class="page-right twoColRt"><div id="jyqfrya" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dnfceli" 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" 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</p></a></div><div id="rgyq7jv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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