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#f30;"></span></p><p><span>產品關鍵詞：</span>無錫實型V法鑄造介紹,V法鑄造</p><p><span>***更新：</span>2020-07-02 06:19:30</p><p><span id="click" >瀏覽次數：1次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="gzbtvcj" 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="crob87g" class="page-proshow02"><p class="title">詳細說明</p><div id="dc8mwiz" class="box"><p><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，無錫實型V法鑄造介紹，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，無錫實型V法鑄造介紹。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。基于此，全國消失模與V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，無錫實型V法鑄造介紹，希望能夠為行業(yè)的發(fā)展提供一定借鑒和參考。這種高爐—感應電爐雙聯鑄鐵熔煉工藝將熔鐵和鑄造更緊密地結合起來。無錫實型V法鑄造介紹</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫實型V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187262285156/5276786.png"></div><p> 2國外典型耐磨鑄件生產企業(yè) </p> <p> 世界**礦山機械制造商瑞典山特維克集團，目前批量采用V法鑄造工藝生產耐磨鑄件。該企業(yè)于1980年***引進V法鑄造設備，通過這套設備探索V法鑄造工藝過程及控制要領，提高了產品質量和生產效率。1998年，通過引進第二套設備，該公司將70%的產品轉化到V法鑄造工藝。到2000年，該公司引進了第三套V法設備，基本徹底實現了新舊工藝的交替。通過長期實踐摸索，該公司認為V法鑄造工藝優(yōu)勢如下：與粘土砂工藝相比，V法鑄造工藝能夠將鑄件的成本降低20%-25%，也在實質上減少了鑄件清理的勞動支出，**降低澆注系統(tǒng)的金屬消耗量，是生產比較高質量鋼鑄件花費比較低的生產工藝；與自硬砂工藝相比，成本降低數倍；金屬液流動性提高30%，可以實現更低的澆注溫度及鑄造薄壁鑄件；鑄件表面質量非常出色；環(huán)境友好，加工余量**降低，尺寸更為精確，棱角清晰；可實現少無拔模斜度生產，模具磨損量極小。無錫實型V法鑄造介紹而鑄鋼件多采用開放式澆注系統(tǒng)，其澆道截面積比例為F直∶F橫∶F內＝1∶(1．2～2)∶(1．2～2) ；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫實型V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187193242187/9800704.png"></div><p> 耐火涂料的使用在V法鑄造中起到至關重要的作用。涂料層的性能不僅影響薄膜氣化氣體的遷移，而且與鑄件表面質量密切相關。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、易燒結的組分，燒結形成剝離層，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。 </p><p> <span style="font-size:12px;">江陰華天科技開發(fā)有限公司坐落于中國經濟發(fā)達的長江三角洲經濟區(qū)中心的江蘇省江陰市，專業(yè)從事氣力輸送系統(tǒng)，V法、消失模、樹脂砂、水玻璃砂鑄造設備，輸送設備及環(huán)保設備的設計制造、安裝調試。V法鑄造工藝在耐磨鑄件生產中具有成熟經驗可循，該工藝在國內具有很大的發(fā)展?jié)摿?。目前國內V法鑄造技術在耐磨鑄件上的應用雖有所拓展，但在產品質量、生產效率及裝備水平等方面與國外先進企業(yè)尚存在很大差距，需要我們集中精力提高針對耐磨鑄件V法工藝生產的基礎研究，提高裝備設計制作水平，提高配套設備及原輔材料質量及使用技術水平，從而能夠充分發(fā)揮V法鑄造工藝優(yōu)勢，為耐磨鑄件在我國的綠色長遠發(fā)展做出貢獻。</span> 正確選用塑料薄膜，型砂，真空泵﹑負壓度、振動時間和結構合理的砂箱是獲得質量V法鑄件的基礎；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫實型V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187247597656/4465962.png"></div><p> 國內V法薄膜生產企業(yè)主要有武漢恒德科技有限公司、北京華盾塑料公司、天津市萊沃商貿有限公司等。其中，武漢恒德科技有限公司是我國比較大的V法**EVA薄膜生產企業(yè)，該公司現有4條生產線，具備日產12 t不同規(guī)格EVA薄膜的能力。 </p> <p> 該公司不斷改進基于EVA的V法**膜，其醋酸乙烯含量(質量分數，下同)為18%-20%，維卡軟化點為70℃。添加山茶植物油提煉的外潤滑劑等輔料，使其伸長率較高，縱向達到717 % ,橫向達到589，接近日本同類產品。目前，V法鑄造用EVA鑄型薄膜的行業(yè)標準正在制訂中。為增加干砂的堆積密度，采用高頻率低振幅的振動方式使砂箱中干砂緊實。無錫實型V法鑄造介紹</p><p style="text-indent:25px">但降低咯鑄型的透氣性，較粗的型砂，可提高鑄型的透氣性。無錫實型V法鑄造介紹</p><p> V法鑄造工藝過程和特點 </p> <p> 1 V法鑄造基本工藝過程 </p> <p> 制造帶有抽氣箱和抽氣孔模樣。 </p> <p> 烘烤薄膜并覆蓋到模樣上，抽負壓，使覆膜成形，后噴上快干涂料。 </p> <p> 將帶有過濾抽氣管的砂箱，放在已覆有薄膜的模板上。 </p> <p> 充填、振實、刮平箱內干砂，放上密封膜，抽負壓，使鑄型內外產生壓力差而緊實，。 </p> <p> 解除模樣內真空，起模。鑄型保持負壓狀態(tài)，直到下芯，合箱，澆鑄。 </p> <p> 脫箱落砂。冷卻后，將砂箱內的壓力恢復到常壓狀態(tài)，砂型自動潰散，鑄件保溫后取出，砂冷卻后返回系統(tǒng)循環(huán)使用，將鑄件取走進入清理工部完成工藝過程。無錫實型V法鑄造介紹</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司坐落在月城鎮(zhèn)月翔路17號，是一家專業(yè)的環(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)。公司。公司目前擁有11~50人員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質高效的產品服務，深受員工與客戶好評。公司以誠信為本，業(yè)務領域涵蓋[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設備" ]，我們本著對客戶負責，對員工負責，更是對公司發(fā)展負責的態(tài)度，爭取做到讓每位客戶滿意。目前公司已經成為[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設備" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領域拓展。</p></p><br /><p>文章來源地址: 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