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class="content"><p><span>需求數(shù)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(chǎn)品關(guān)鍵詞：</span>泰州覆膜砂V法鑄造裝備,V法鑄造</p><p><span>***更新：</span>2020-07-20 15:23:13</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="3lkmj4i" 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</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="e2xevtf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="l2mi3zg" class="box"><p><p> 采用V法鑄造的原因 </p> <p> 根據(jù)國內(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，泰州覆膜砂V法鑄造裝備、高尺寸精度外，因?yàn)榱鲃有缘奶嵘沟玫蜏貪沧⒊蔀榭赡埽赡軙诩?xì)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(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)量對比及分析為了充分應(yīng)用好V法鑄造工藝，泰州覆膜砂V法鑄造裝備，必須深刻認(rèn)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(tuán)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(jìn)行了內(nèi)部金相組織的對比，希望能夠?yàn)樾袠I(yè)的發(fā)展提供一定借鑒和參考，泰州覆膜砂V法鑄造裝備。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)；泰州覆膜砂V法鑄造裝備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州覆膜砂V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889644755860/7471982.png"></div><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。南京密封V法鑄造企業(yè)利用短流程工藝來澆注V法鑄造中的特大件如大型配重等也引起了越來越多人的濃厚興趣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州覆膜砂V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.png"></div><p> V法鑄造投資少，砂處理系統(tǒng)較為簡單，運(yùn)行能耗少。 </p> <p> 與其他砂型鑄造相比，V法鑄造環(huán)境友好，生產(chǎn)現(xiàn)場噪音低，鑄件拋丸清理量減少50%以上，勞動力減少35%以上。澆注時，薄膜、涂料和樹脂砂芯產(chǎn)生的煙氣都被真空系統(tǒng)抽走，經(jīng)過干濕過濾后排空，對大氣污染少；V法固體廢棄物少，干砂再生高達(dá)95％。符合節(jié)能減排的高要求。 </p> <p> V法優(yōu)勢鮮明，其弊端也很突出： </p> <p> 受到薄膜延伸性能的局限，V法鑄造不適宜生產(chǎn)外形復(fù)雜鑄件； </p> <p> V法制芯技術(shù)還不成熟，采用樹脂砂芯或水玻璃砂芯才能鑄造內(nèi)腔復(fù)雜鑄件； </p> <p> 真空系統(tǒng)需隨時與砂型相連； </p> <p> V法鑄造不適合生產(chǎn)小型鑄件，生產(chǎn)效率難以提高； </p> <p> V法鑄鋼易出現(xiàn)氣孔和夾渣等鑄造缺點(diǎn)，尤其低碳鋼件有較嚴(yán)重的增碳。 </p><p> 造型臺車移動式V法造型機(jī)組 </p> <p> 該造型機(jī)組由上箱和下箱造型。在臺車造型機(jī)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(shí)后又移出復(fù)位蓋膜、抽真空、頂箱起模，吊車將鑄型吊走。電動臺車在固定的軌道上前后移動，臺車上裝有震實(shí)臺、負(fù)壓箱、型板及模樣。電加熱器在臺車的上部，有移動機(jī)構(gòu)可兼管2臺造型機(jī)使用，用人工烘烤覆膜，也可設(shè)計成自動加熱覆膜機(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)動臺車至砂斗下，空氣彈簧進(jìn)氣，抬起震實(shí)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(shí)。當(dāng)達(dá)到所需要時間后，震實(shí)停止，震實(shí)臺下降，電動臺車移至原位，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(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。水環(huán)式真空泵依靠水環(huán)實(shí)現(xiàn)密封，各部件的公差較大，不怕干砂粉塵。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州覆膜砂V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><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)勢是型砂不使用粘結(jié)劑，干砂回用率高達(dá)95%以上，不僅節(jié)能環(huán)保、落砂簡便、改善勞動條件，而且鑄件表面品質(zhì)和尺寸精度**提高。V法鑄造是日本長野縣工業(yè)試驗(yàn)所和秋田株式會社于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獲得了長足的發(fā)展。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(shí)。泰州覆膜砂V法鑄造裝備</p><p style="text-indent:25px">合理的鑄造工藝方案是保證覆膜成型和鑄件質(zhì)量的一個重要因素。泰州覆膜砂V法鑄造裝備</p><p style="text-indent:25px">美國耐磨狼公司，作為北美地區(qū)礦山耐磨行業(yè)耐磨鑄件的主要供應(yīng)商，采用V法鑄造生產(chǎn)線生產(chǎn)耐磨鑄件，獲得了優(yōu)異的產(chǎn)品質(zhì)量，并將V法鑄造工藝發(fā)展成為了耐磨件鑄造的主流工藝。該公司從1979年開始接觸V法鑄造工藝，共有三條V法鑄造生產(chǎn)線，產(chǎn)品重量在225kg-4500kg之間，單條生產(chǎn)線生產(chǎn)效率比較高達(dá)15箱/小時。該公司同時擁有自硬砂鑄造工藝，針對不同要求產(chǎn)品進(jìn)行不同工藝的搭配生產(chǎn)，其中V法鑄造生產(chǎn)了超過75%的鑄件。該公司認(rèn)為V法鑄造主要有如下優(yōu)勢：鑄件的一致性好，客戶對鑄件尤其是大型鑄件一致性的要求更高；環(huán)境友好，生產(chǎn)過程無化學(xué)添加劑，作業(yè)環(huán)境優(yōu)化，無需混砂；更好的鑄件質(zhì)量，鑄件尺寸精度非常出色，鑄件表面質(zhì)量更好；無拔模斜度。泰州覆膜砂V法鑄造裝備</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司位于江蘇省無錫市，創(chuàng)立于2006-09-27。江陰華天科技致力于為客戶提供質(zhì)量的[ "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，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備質(zhì)量品牌。截止當(dāng)前，我公司年營業(yè)額度達(dá)到700-1000萬元，爭取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/662457.html</p></div></div></div></div></div><div id="qahjq4q" class="page-right twoColRt"><div id="jd3nko2" class="box01 margin10 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