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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="mbdpzaz" class="twoCol"><div id="fuwtlnz" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設備</a>?無錫覆膜砂V法鑄造優(yōu)點服務至上江陰華天科技供應</p><div id="8iurj8y" class="leftbox clearfix"><h1>無錫覆膜砂V法鑄造優(yōu)點服務至上江陰華天科技供應</h1><div id="zogikwt" class="proBig"><div id="87w7v3h" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889644755860/7471982.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a33nkbd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889644755860/7471982.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fr7wjqn" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>無錫覆膜砂V法鑄造優(yōu)點,V法鑄造</p><p><span>***更新：</span>2020-10-29 10:21:02</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="q8xlnpm" 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>聯系人：</span>謝經理</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="zlsubdk" class="page-proshow02"><p class="title">詳細說明</p><div id="8h2ivxj" class="box"><p><p style="text-indent:25px">V法造型過程中，震動是獲得高緊實度砂型的重要環(huán)節(jié)。V法鑄型的硬度和強度，不*與我們常規(guī)理解中的砂箱的真空度有關系，震實效果也是很重要的一方面（如圖4所示）。在震實不夠的情況下，有時候通過高的真空度，可以獲得較高的鑄型硬度，但這只是一種假象，砂型強度往往是不足的。在砂型抽真空，翻轉，轉運，合箱，澆注等過程中產生的波動又會造成鑄型內砂子形位的重新排布進而引起鑄型強度，無錫覆膜砂V法鑄造優(yōu)點，結構尺寸等的變化。而這些變化反映到鑄件上，則表現出鑄件尺寸或者重量精度超差等質量問題。目前在震實臺設計中，對于振幅，無錫覆膜砂V法鑄造優(yōu)點，震動頻率，激振力及如何配置振動電機等問題往往模棱兩可，無錫覆膜砂V法鑄造優(yōu)點，缺乏基本的核算依據。實際生產中，一般依據真空罐上的真空表及砂箱外管道上的真空表反映的負壓度來調節(jié)生產時的負壓度。無錫覆膜砂V法鑄造優(yōu)點</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造優(yōu)點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889644755860/7471982.png"></div><p> V法具有與傳統(tǒng)砂型鑄造無法比擬的優(yōu)勢，其具體表現在以下七個方面： </p> <p> 造型易起模，模具少無磨損，金屬模具壽命長，模具可用木質材料； </p> <p> 鑄件尺寸精度高，輪廓清晰，鑄鐵件粗糙度值達Ra18—25μm。叉車鑄鐵配重是V法鑄造產品的典型**。安徽合力叉車集團合肥鑄鍛廠生產的叉車配重，曾獲2002年第四屆北京國際鑄造工業(yè)展覽會鑄件一等獎。世界上叉車和其他工程車所需配重和平衡塊幾乎都是V法鑄造生產的；(3) V法干砂保溫效果和真空抽吸作用都能提高金屬液的流動性。試驗表明：V法鑄造和濕型鑄造相比，金屬液流動性可提高27％。因此V法鑄造不*能生產厚壁鑄件，也能生產薄壁鑄件。如南京東陶（TOTO）有限公司引進日本新東鑄造生產線，生產***鑄鐵浴缸，比較大浴缸尺寸為1829mm×1067mm×650mm，鑄件重達180kg，壁厚7mm，如圖2所示。圖3 天津英昌鋼琴鑄件有限公司生產的鋼琴鑄鐵弦架也是V法鑄造薄壁件的典型產品。泰州先進V法鑄造優(yōu)點型砂粒度對鑄型負壓度變化的影響很大，較細的型砂有利于防止金屬液滲透。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造優(yōu)點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889931113282/8104857.png"></div><p> V法鑄造工藝流程 </p> <p> <span style="font-size:12px;">其流程如下。</span> </p> <p> 1．加熱薄膜并覆膜 </p> <p> (1)薄膜材質EVA。 </p> <p> (2)薄膜厚度0.15mm。 </p> <p> (3)加熱溫度80~120℃。 </p> <p> (4)吸氣壓強：26.7~53.4kPa。 </p> <p> 2．放置澆注系統(tǒng)并加冒口 </p> <p> (1)直澆道為進口陶管，用膠帶粘到模樣上并密封。 </p> <p> (2)冒口為木頭，用塑料包好并用膠帶纏到模樣上密封好。 </p> <p> (3)澆道和冒口都要密封好，已放置漏氣不能很好覆膜。 </p> <p> (4)澆道和冒口與模樣的連接處用刀子切口，便于后期澆注是排氣。 </p> <p> 3．噴涂料并等待涂料干燥 </p> <p> （1）涂料成分：重量比為50%的工業(yè)酒精與50%的滑石粉混合的懸濁液。 </p> <p> （2）噴漆厚度：0.04mm。 </p> <p> （3）使用要求：噴涂均勻，個別地方要補刷涂料；噴涂后要等待涂料烘干再放砂。 </p><p> 耐磨鑄件是采礦、冶金、建材、電力、石化、機械、交通等重要工業(yè)領域的消耗品，在工業(yè)生產中占有重要地位。據不完全統(tǒng)計, 國內年消耗量超過200 萬t , 目前已有近千家耐磨鑄件生產企業(yè), 年生產能力達到500 萬噸以上，鑄造工藝多種多樣。 </p> <p> 耐磨鑄件工藝現狀 </p> <p> 目前，耐磨鑄件普遍采用水玻璃砂，堿酚醛樹脂砂鑄造工藝，也有部分采用消失模鑄造工藝。這些工藝靈活穩(wěn)定，工藝成熟度較相對較高，能夠實現穩(wěn)定批量化生產，是耐磨鑄件生產的傳統(tǒng)工藝。但尤其是水玻璃砂、樹脂砂工藝同時存在著勞動強度大，人均生產效率低的弊端，在環(huán)保問題日益嚴峻、勞動力成本越來越高的***，傳統(tǒng)工藝面臨著較大的壓力。 </p> <p> 結合產業(yè)升級的趨勢，國內部分企業(yè)探索V法鑄造工藝生產耐磨鑄件，產品類型以軋臼壁、破碎壁、齒板、錘頭等中大型鑄件為主，所生產的鑄件具有表面質量好，尺寸精度高的優(yōu)勢，同時造型落砂等工序勞動強度低，具有相對比較好的環(huán)保優(yōu)勢。近年來，V法鑄造持續(xù)升溫。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫覆膜砂V法鑄造優(yōu)點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><p> 重視設備的定向研發(fā) </p> <p> 長期以來，國內V法鑄造生產線布局設計及關鍵技術的水平不高，砂箱等關鍵工裝設備結構單一，難以滿足多種類產品的工藝生產要求。因此有必要在摸清楚V法鑄造耐磨鑄件工藝生產特點的基礎上，為實現工藝要求對設備進行相應的研發(fā)設計，配套不同類型的生產線形式以滿足不同企業(yè)的需求。以砂箱為例，砂箱結構設計作為V法鑄造生產線的**內容，是保障產品質量的****裝備。在以往的生產經驗中，因為砂箱結構問題引起的生產問題層出不窮。對于V法鑄造生產耐磨鑄件，砂箱尺寸往往龐大；如何實現多品種鑄件的生產，在保障砂箱通用性的基礎上盡可能滿足冒口等工藝布置的要求，同時還便于生產組織管理和砂箱自身維護，都是砂箱設計需要重點關注的部分。除此之外，真空系統(tǒng)的使用和控制，生產線布局形式的設計及生產節(jié)奏的安排都將是耐磨件V法鑄造生產所用裝備重點研究的部分。目前國內有十多個在建的鑄造工業(yè)園區(qū)，均采用高爐—感應爐供應鐵液，年產鑄件達100多萬噸。南通覆膜砂V法鑄造廠</p><p style="text-indent:25px">鑄造的鑄件上箱型腔表面積大時，應將鑄型傾斜澆注，使金屬液從型腔低端進入；無錫覆膜砂V法鑄造優(yōu)點</p><p> 對于澆注系統(tǒng)的設計，不少文獻和資料均有詳盡解說，在此不再贅述，*就注意事項簡要說明。 </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速度和對型壁、坭芯的沖擊，減少鑄造缺點。 </p> <p> 盡量采用陶瓷材料成型澆注系統(tǒng)，避免鋼水長時間沖刷澆道而造成由于夾砂、夾涂料產生的鑄造缺點。 </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上型壁長時間烘烤造成塌型、上型凹陷、薄膜和涂料產生的氣孔等，亦可減弱頂注產生對下型壁和坭芯的沖擊、紊流和裹氣等缺點。 </p> <p> 合理布置冒口，尤其是明冒口布置，一般應布置在澆口附近和遠離澆口的鑄件末端，便于透氣和排氣，易于鑄件成型和減少氣孔。無錫覆膜砂V法鑄造優(yōu)點</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司是一家生產型類企業(yè)，積極探索行業(yè)發(fā)展，努力實現產品創(chuàng)新。是一家私營有限責任公司企業(yè)，隨著市場的發(fā)展和生產的需求，與多家企業(yè)合作研究，在原有產品的基礎上經過不斷改進，追求新型，在強化內部管理，完善結構調整的同時，良好的質量、合理的價格、完善的服務，在業(yè)界受到寬泛好評。公司業(yè)務涵蓋氣力輸送，V法鑄造，輸送機械，環(huán)保設備，價格合理，品質有保證，深受廣大客戶的歡迎。江陰華天科技將以真誠的服務、創(chuàng)新的理念、***的產品，為彼此贏得全新的未來！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1760345.html</p></div></div></div></div></div><div id="i23c8tq" class="page-right twoColRt"><div id="wzb7qac" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ku33kh3" 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="u342c8d" class="recomPic likePro"><a 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