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id="akmo7vc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8a724p7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="edvipwy" 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>泰州優(yōu)良V法鑄造,V法鑄造</p><p><span>***更新：</span>2020-11-09 12:22:33</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="m7o7t3h" 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="8lamel2" class="page-proshow02"><p class="title">詳細說明</p><div id="dc3szgi" class="box"><p><p style="text-indent:25px">V法鑄造是真空密封造型或負壓造型鑄造工藝的簡稱，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空氣，造成型內箱外壓力差，使干砂緊實，泰州優(yōu)良V法鑄造，形成所需型腔。其比較大優(yōu)勢是型砂不使用粘結劑，干砂回用率高達95%以上，不僅節(jié)能環(huán)保、落砂簡便，泰州優(yōu)良V法鑄造，泰州優(yōu)良V法鑄造、改善勞動條件，而且鑄件表面品質和尺寸精度**提高。V法鑄造是日本長野縣工業(yè)試驗所和秋田株式會社于1971年的發(fā)明專利。V法鑄造至今經過了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獲得了長足的發(fā)展。生產表明，鑄型內負壓度大于0.044MPa時鑄型就可以保持足夠的強度和穩(wěn)定性。泰州優(yōu)良V法鑄造</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州優(yōu)良V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.png"></div><p> 重視系統(tǒng)化工程的設計 </p> <p> 耐磨鑄造車間的建設是一個系統(tǒng)工程，除了生產設備本身外，車間布局物流設計，原輔材料的配套，熱處理系統(tǒng)的配套，機加工設備的配套等都要作為系統(tǒng)的一部分考慮。 </p> <p> 以砂箱的周轉為例，耐磨鑄件由于保溫冷卻時間長，在一定程度上限制了砂箱的流轉速度，企業(yè)訂購大量砂箱不僅**增加了企業(yè)成本，而且造成管理使用上的困難?？赏ㄟ^采用建設冷卻立體庫，設計冷卻托盤的方式加快砂箱流轉，同時節(jié)約生產場地。標準化托盤的設計和制作，滿足叉車運輸條件，并不額外增加過多的勞動力，實現了工藝生產的要求，降低了設備投資成本，同時提高的系統(tǒng)運行效率。泰州優(yōu)良V法鑄造消除涂料、薄膜氣化產物對鑄型的強度與負壓度影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州優(yōu)良V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889644755860/7471982.png"></div><p> 采用V法鑄造的原因 </p> <p> 根據國內外經驗來看，V法鑄造在耐磨鑄件上所具有的產品質量高，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，而質量優(yōu)勢除了V法工藝本身具有的高表面質量、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)數量多，整體鑄件質量較低，鑄造企業(yè)所面臨的環(huán)保壓力、人力成本壓力越來越大，從提升產品質量控制環(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部組織質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?；诖耍珖ＥcV法鑄造技術**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的耐磨鑄件進行了內部金相組織的對比，希望能夠為行業(yè)的發(fā)展提供一定借鑒和參考。 </p><p> 環(huán)境保護方面 </p> <p> V法鑄造工藝不產生廢棄物污染，采用合理有效的除塵手段即可收集鑄造過程中產生的粉塵，排放量可嚴格達到國家環(huán)保要求。 </p> <p> 從國內大部分耐磨企業(yè)的生產情況來看，以上優(yōu)勢并沒有完全在生產中發(fā)揮出來，這與我們對V法鑄造工藝的認識欠缺，對基礎研究的投入以及對設備輔材的配套研究不足有很大關系。 </p> <p> 4技術發(fā)展水平方面 </p> <p> V法鑄造在國內發(fā)展的時間有限，局限于鑄造設備企業(yè)的研發(fā)創(chuàng)新能力，V法鑄造生產線形式單一，難以針對特殊鑄件開發(fā)**裝備，這也是V法鑄造在國內耐磨件生產方面受到局限的問題之一。目前國內多數生產線仍然采用傳統(tǒng)的布局形式，生產線效率低，控制水平差異導致生產過程不穩(wěn)定，產品質量難以達到V法應有的質量水平，同時行業(yè)內又缺乏高水平的先進V法鑄造生產線及相關裝備企業(yè)。根據涂料不同骨料組配的特性，合理地選擇V法鑄造用型砂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州優(yōu)良V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889985097657/1146380.png"></div><p style="text-indent:25px">而鑄型不可能是完全密封的，始終處在一種氣體泄入并被抽走的過程中。顯然，距離抽氣口越近，氣體被抽速度越快，那么從氣流角度分析，越靠近砂箱四壁和抽氣管的地方，真空保持的越穩(wěn)定，強度也越高。澆注之前，外界氣體泄入量往往較小，會被及時抽走，不會對鑄型強度造成不利影響。但是，澆注過程中，隨著大面積薄膜的燒蝕，外界氣體泄入量劇增，如果泄入的氣體不能被及時抽走，鑄型內部氣壓上升強度降低，就會造成塌箱。有時候盡管砂箱已經有四壁抽氣甚至還有少量抽氣箱帶或者抽氣管，而且真空度還很高，仍然會塌箱。固定式冷卻沸騰床采用水循環(huán)冷卻，水泵將冷水輸送至沸騰床內冷卻水管中與熱砂充分地熱交換達到冷卻目的。南通負壓V法鑄造裝備</p><p style="text-indent:25px">V法鑄造是設備﹑工藝和原輔材料相互配合協調平衡的有機結合，要全盤考慮協調的系統(tǒng)工程。泰州優(yōu)良V法鑄造</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。泰州優(yōu)良V法鑄造</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司擁有環(huán)保設備、氣力輸送設備、V法鑄造機械設備、消失模設備、樹脂砂設備、其他通用機械設備的技術開發(fā)、設計、制造、加工、銷售、安裝、調試、維修。產品與服務用于鋼鐵、有色、煤化工、石油化工、鐵路、食品、火電、鑄造等行業(yè)。等多項業(yè)務，主營業(yè)務涵蓋氣力輸送，V法鑄造，輸送機械，環(huán)保設備。一批專業(yè)的技術團隊，是實現企業(yè)戰(zhàn)略目標的基礎，是企業(yè)持續(xù)發(fā)展的動力。公司業(yè)務范圍主要包括：氣力輸送，V法鑄造，輸送機械，環(huán)保設備等。公司奉行顧客至上、質量為本的經營宗旨，深受客戶好評。一直以來公司堅持以客戶為中心、氣力輸送，V法鑄造，輸送機械，環(huán)保設備市場為導向，重信譽，保質量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1917707.html</p></div></div></div></div></div><div id="eo2uwov" class="page-right twoColRt"><div id="7uryvsj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cwtvxeb" 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" 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