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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="hw23mov" class="twoCol"><div id="2fuoahj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設(shè)備</a>?泰州負(fù)壓V法鑄造裝備服務(wù)至上江陰華天科技供應(yīng)</p><div id="feo3o8y" class="leftbox clearfix"><h1>泰州負(fù)壓V法鑄造裝備服務(wù)至上江陰華天科技供應(yīng)</h1><div id="vzgacjl" class="proBig"><div id="yikrovs" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="crolikr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gvxzwdf" 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>泰州負(fù)壓V法鑄造裝備,V法鑄造</p><p><span>***更新：</span>2020-08-11 02:15:28</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="vkczryv" 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="7ebdf3l" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wlskmqm" class="box"><p><p style="text-indent:25px">可借鑒的參考數(shù)據(jù)是，振幅0，泰州負(fù)壓V法鑄造裝備.5mm左右，頻率不低于1500/min可以達(dá)到比較好的震實效果。不太理想的是，部分震實臺的設(shè)計參數(shù)并不滿足推薦的經(jīng)驗數(shù)據(jù)。而鑄造企業(yè)在使用的過程中則常常發(fā)現(xiàn)，震實臺激振力不夠或過強(qiáng)，泰州負(fù)壓V法鑄造裝備，振幅不足或過大等一系列問題。這就是為什么同樣的鑄件，同樣的砂箱，同樣的模具，在不同的廠家，震實時間，泰州負(fù)壓V法鑄造裝備，震實效果有差異的原因。更有甚者，震實臺振動電機(jī)缺乏基本的變頻功能；哪怕具備變頻特性，也不根據(jù)震實臺負(fù)載的變化合理調(diào)整頻率，激振力等參數(shù)，以至于震實臺發(fā)揮不了應(yīng)有的作用。降低咯鑄型的透氣性，較粗的型砂，可提高鑄型的透氣性。泰州負(fù)壓V法鑄造裝備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州負(fù)壓V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><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(qiáng)度低，適用于鑄鐵﹑鑄鋼﹑非鐵合金等鑄件的單件小批量或機(jī)械自動化大批量得生產(chǎn)。然造型操作較復(fù)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(fù)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>泰州負(fù)壓V法鑄造裝備V法鑄造采用無粘接劑的干砂造型，一般要求干砂為次棱角形或圓形，粒度鑄鋼件較大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州負(fù)壓V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889431923828/6575353.png"></div><p style="text-indent:25px">V法鑄造一般選擇用熱塑性簿膜，要求成型性好，易涂（刷）涂料，方向性小，熱塑應(yīng)力小，對熱量不敏感，燃燒時發(fā)氣量小，不產(chǎn)生有害氣體，質(zhì)優(yōu)價廉。筆者采用EVA薄膜作為V法鑄造塑料簿膜。覆膜成型時，簿膜置于加熱器下150～200mm,加熱溫度為80～120℃，加熱時間一般為20～50s。簿膜加熱至鏡面狀時應(yīng)迅速將其落下覆膜，覆膜后，須檢查簿膜是否與模樣表面緊密貼緊，是否有無孔洞或破損。對于某些難以吸膜成型的部位，采取局部強(qiáng)化抽真空措施，調(diào)節(jié)抽氣速度實現(xiàn)覆膜成型。</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(dāng)達(dá)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(dāng)鑄型達(dá)到一定的緊實度后，移到頂箱機(jī)構(gòu)處進(jìn)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(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。型砂粒度對鑄型負(fù)壓度變化的影響很大，較細(xì)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="泰州負(fù)壓V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889931113282/8104857.png"></div><p style="text-indent:25px">覆膜架帶動EVA薄膜下降過程中與空氣產(chǎn)生的對流運動必然形成對整張薄膜的浮力，進(jìn)而造成薄膜的向上運動，并使薄膜自身產(chǎn)生一定的張力，即薄膜內(nèi)部區(qū)域?qū)ν獠繀^(qū)域的拉力作用（見圖1）。根據(jù)空氣動力學(xué)原理，對流速度越快，也就是覆膜架下降的速度越快，這種浮力越大，整張薄膜向上浮動的速度也就越大，同時，對薄膜的拉伸作用也越明顯。這種浮力不但會使EVA薄膜容易上浮并接觸到紅熱的電熱絲或者電熱管燙破，也有可能使熱態(tài)強(qiáng)度很低的薄膜在拉力作用下直接拉裂；采用數(shù)學(xué)模型去定量的給出覆膜框下行速度的參考值是很困難的，因為柔性極強(qiáng)的薄膜在覆膜框帶動下運動的受力狀態(tài)極其復(fù)雜，直接的生產(chǎn)調(diào)試控制速度過快是比較現(xiàn)實的辦法。值得注意的是，覆膜架下行過程中加速度太大會造成EVA薄膜強(qiáng)烈顫動，這往往源于氣動控制裝置穩(wěn)定性太差、速度變化過分強(qiáng)烈。這種不必要的震蕩對于熱態(tài)下強(qiáng)度很低的薄膜也是非常危險的。圖2為某生產(chǎn)現(xiàn)場因為覆膜框震蕩造成EVA薄膜破裂的現(xiàn)象。但澆注時負(fù)壓度的變化大，澆注瞬間，負(fù)壓度下降快，澆注完畢后鑄型能恢復(fù)并保持較高的負(fù)壓度。揚州密封V法鑄造效果</p><p style="text-indent:25px">2008年時我國鑄鐵件廠產(chǎn)量達(dá)2510萬噸，其中按短流程工藝生產(chǎn)的鑄件約占11.3%。泰州負(fù)壓V法鑄造裝備</p><p style="text-indent:25px">V法工藝生產(chǎn)耐磨鑄件的發(fā)展V法鑄造1973年起源于日本，80年代引入中國后得到了***關(guān)注，并逐步應(yīng)用于很多產(chǎn)品的生產(chǎn)。同時，該工藝傳入北美及歐洲地區(qū)，取得了長足發(fā)展，應(yīng)用范圍不斷擴(kuò)展，在叉車配重、工程機(jī)械橋殼、浴盆等領(lǐng)域獲得了非常成熟的應(yīng)用。在耐磨鑄件領(lǐng)域，V法鑄造工藝在瑞典山特維克、美國耐磨狼、美伊電鋼等**耐磨鑄件生產(chǎn)企業(yè)的使用中獲得了極大成功，并逐步成為這些企業(yè)的主流工藝。在國內(nèi)，從上世紀(jì)80年代開始有初步探索該工藝生產(chǎn)耐磨鑄件的試驗，但是沒有成熟應(yīng)用（除鐵路道岔外）。近些年，在耐磨鑄件生產(chǎn)領(lǐng)域，V法鑄造工藝重新得到重視和關(guān)注。目前，V法鑄造在耐磨鑄件的生產(chǎn)應(yīng)用方面主要以傳統(tǒng)礦山耐磨鑄件為主，包括高錳鋼圓錐、齒板、錘頭、板錘、大型襯板等。甚至有些企業(yè)成功將立磨所用高鉻輥套鑄件采用V法鑄造工藝生產(chǎn)，取得了不錯的效果。泰州負(fù)壓V法鑄造裝備</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司坐落在月城鎮(zhèn)月翔路17號，是一家專業(yè)的環(huán)保設(shè)備、氣力輸送設(shè)備、V法鑄造機(jī)械設(shè)備、消失模設(shè)備、樹脂砂設(shè)備、其他通用機(jī)械設(shè)備的技術(shù)開發(fā)、設(shè)計、制造、加工、銷售、安裝、調(diào)試、維修。產(chǎn)品與服務(wù)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。目前我公司在職員工達(dá)到11~50人人，是一個有活力有能力有創(chuàng)新精神的高效團(tuán)隊。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]。公司力求給客戶提供***質(zhì)量服務(wù)，我們相信誠實正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]行業(yè)**企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/875799.html</p></div></div></div></div></div><div id="kuw2utv" class="page-right twoColRt"><div id="3i2rnuw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="k7jbtvh" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="iujqszw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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