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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="38ho3zr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i78qkld" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>無(wú)錫密封V法鑄造優(yōu)點(diǎn),V法鑄造</p><p><span>***更新：</span>2020-09-14 05:13:39</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="8998drd" 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(hào)</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="slkceqn" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2tkhjqs" class="box"><p><p style="text-indent:25px">微觀上來(lái)講，砂型強(qiáng)度是靠砂子之間以及砂子與砂箱直接的摩擦力建立的。砂箱四壁和箱帶都對(duì)砂子有較強(qiáng)的摩擦力，也就加強(qiáng)了其附近砂型的強(qiáng)度。某廠在采用V法工藝生產(chǎn)球鐵橋殼過(guò)程中，由于砂箱未加箱檔或抽氣管，盡管系統(tǒng)真空度較高，但是鑄型強(qiáng)度及剛性不足，無(wú)錫密封V法鑄造優(yōu)點(diǎn)，完全抵擋不住球墨鑄**固過(guò)程中的石墨化膨脹，嚴(yán)重脹箱，造成鑄件內(nèi)部組織致密性不夠，同時(shí)分型面產(chǎn)生極大的飛邊，致使鑄件報(bào)廢。砂箱及鑄件如圖8所示，無(wú)錫密封V法鑄造優(yōu)點(diǎn)。江陰華天科技開發(fā)有限公司坐落于中國(guó)經(jīng)濟(jì)發(fā)達(dá)的長(zhǎng)江三角洲經(jīng)濟(jì)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，無(wú)錫密封V法鑄造優(yōu)點(diǎn)、樹脂砂、水玻璃砂鑄造設(shè)備，輸送設(shè)備及環(huán)保設(shè)備的設(shè)計(jì)制造、安裝調(diào)試。利用高爐鐵水的熱量，大幅減少能源消耗，同時(shí)降污染物排放，節(jié)能，環(huán)保和經(jīng)濟(jì)效益。無(wú)錫密封V法鑄造優(yōu)點(diǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫密封V法鑄造優(yōu)點(diǎn),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png"></div><p> 國(guó)內(nèi)V法薄膜生產(chǎn)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(mào)有限公司等。其中，武漢恒德科技有限公司是我國(guó)比較大的V法**EVA薄膜生產(chǎn)企業(yè)，該公司現(xiàn)有4條生產(chǎn)線，具備日產(chǎn)12 t不同規(guī)格EVA薄膜的能力。 </p> <p> 該公司不斷改進(jìn)基于EVA的V法**膜，其醋酸乙烯含量(質(zhì)量分?jǐn)?shù)，下同)為18%-20%，維卡軟化點(diǎn)為70℃。添加山茶植物油提煉的外潤(rùn)滑劑等輔料，使其伸長(zhǎng)率較高，縱向達(dá)到717 % ,橫向達(dá)到589，接近日本同類產(chǎn)品。目前，V法鑄造用EVA鑄型薄膜的行業(yè)標(biāo)準(zhǔn)正在制訂中。泰州真空V法鑄造效果真空密封造型緊實(shí)原理是利用塑料薄膜密封砂箱，依靠真空抽出型內(nèi)的空氣造成鑄型內(nèi)外壓力差使干砂緊實(shí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫密封V法鑄造優(yōu)點(diǎn),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889773623047/2195160.png"></div><p style="text-indent:25px">美國(guó)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(shí)。該公司同時(shí)擁有自硬砂鑄造工藝，針對(duì)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(guò)75%的鑄件。該公司認(rèn)為V法鑄造主要有如下優(yōu)勢(shì)：鑄件的一致性好，客戶對(duì)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(guò)程無(wú)化學(xué)添加劑，作業(yè)環(huán)境優(yōu)化，無(wú)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(wú)拔模斜度。</p><p> <p> 生產(chǎn)線的工藝流程 </p> <p> 經(jīng)造型機(jī)造好的鑄型用氣吊將下箱放在合型平臺(tái)上進(jìn)行修型和下芯，而后將造好的上箱用氣吊合型并放置在澆注平臺(tái)上，澆注后的砂箱經(jīng)氣動(dòng)推桿推至落砂機(jī)上脫砂，人工去除塑料薄膜，落砂后的空砂箱經(jīng)氣缸推送到機(jī)運(yùn)輥道上返回至造型機(jī)旁。鑄件落至桶內(nèi)。舊砂經(jīng)振動(dòng)輸送機(jī)、斗提機(jī)、振動(dòng)篩、水冷流化床等砂處理設(shè)備進(jìn)入料斗貯存，當(dāng)造型需用砂時(shí)，舊砂經(jīng)斗提機(jī)、螺旋輸送機(jī)送入造型機(jī)砂斗里，全線各揚(yáng)塵點(diǎn)均有吸塵管道集中除塵。主機(jī)為四工位造型機(jī)，完成覆膜、噴刷涂料及放砂箱、加砂緊實(shí)和蓋膜，頂箱起模四個(gè)工位，該機(jī)由氣缸驅(qū)動(dòng)旋轉(zhuǎn)，并有可靠的定位機(jī)構(gòu)，自動(dòng)覆膜機(jī)包括自動(dòng)切膜、覆膜框水平移動(dòng)機(jī)構(gòu)，電加熱薄膜、氣動(dòng)頂型覆膜，抽真空閥及覆膜框復(fù)位等功能。四工位造型機(jī)上設(shè)有回轉(zhuǎn)式真空分配閥，跟各工位的要求自動(dòng)提供或切斷真空。整機(jī)動(dòng)作由PLC程序控制。八工位澆注轉(zhuǎn)臺(tái)及環(huán)形真空裝置。在小車上裝有8個(gè)砂箱托板組成澆注轉(zhuǎn)臺(tái)，驅(qū)動(dòng)機(jī)構(gòu)使轉(zhuǎn)臺(tái)回轉(zhuǎn)并可任意位置停機(jī)。動(dòng)作程序是將合型后的砂箱用氣吊放置澆注轉(zhuǎn)臺(tái)的托板上，待托板放滿砂箱后便可澆注，轉(zhuǎn)臺(tái)每轉(zhuǎn)一個(gè)工位砂箱必須正對(duì)著落砂機(jī)，以便氣缸推動(dòng)砂箱至落砂機(jī)的框架上脫砂、落砂前必須撤出負(fù)壓。 </p> </p> <p> <br /> V法鑄造中多采用干式真空泵和水環(huán)真空泵，我國(guó)主要采用水環(huán)式真空泵。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫密封V法鑄造優(yōu)點(diǎn),V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> <span style="font-size:12px;">江陰華天科技開發(fā)有限公司坐落于中國(guó)經(jīng)濟(jì)發(fā)達(dá)的長(zhǎng)江三角洲經(jīng)濟(jì)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(shè)備，輸送設(shè)備及環(huán)保設(shè)備的設(shè)計(jì)制造、安裝調(diào)試。V法鑄造工藝在耐磨鑄件生產(chǎn)中具有成熟經(jīng)驗(yàn)可循，該工藝在國(guó)內(nèi)具有很大的發(fā)展?jié)摿?。目前?guó)內(nèi)V法鑄造技術(shù)在耐磨鑄件上的應(yīng)用雖有所拓展，但在產(chǎn)品質(zhì)量、生產(chǎn)效率及裝備水平等方面與國(guó)外先進(jìn)企業(yè)尚存在很大差距，需要我們集中精力提高針對(duì)耐磨鑄件V法工藝生產(chǎn)的基礎(chǔ)研究，提高裝備設(shè)計(jì)制作水平，提高配套設(shè)備及原輔材料質(zhì)量及使用技術(shù)水平，從而能夠充分發(fā)揮V法鑄造工藝優(yōu)勢(shì)，為耐磨鑄件在我國(guó)的綠色長(zhǎng)遠(yuǎn)發(fā)展做出貢獻(xiàn)。</span> 砂子的回收率很高可達(dá)95%以上，動(dòng)力消耗*為濕法造型的60%，并可減少勞動(dòng)力35%。泰州真空V法鑄造效果</p><p style="text-indent:25px">負(fù)壓澆注，有利于金屬的補(bǔ)給，鑄件冒口可減小，鑄件表面光潔，尺寸精度高，加工余量減少。無(wú)錫密封V法鑄造優(yōu)點(diǎn)</p><p> 采用V法鑄造的原因 </p> <p> 根據(jù)國(guó)內(nèi)外經(jīng)驗(yàn)來(lái)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(shì)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(shì)眾所周知，而質(zhì)量?jī)?yōu)勢(shì)除了V法工藝本身具有的高表面質(zhì)量、高尺寸精度外，因?yàn)榱鲃?dòng)性的提升使得低溫澆注成為可能，可能會(huì)在細(xì)化晶粒提高耐磨性方面有一定的探索價(jià)值。 </p> <p> 我國(guó)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(lái)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(duì)比及分析為了充分應(yīng)用好V法鑄造工藝，必須深刻認(rèn)識(shí)其工藝特性，尤其是局限性?；诖?，全國(guó)消失模與V法鑄造技術(shù)**會(huì)V法課題團(tuán)隊(duì)在2014年針對(duì)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(duì)比，希望能夠?yàn)樾袠I(yè)的發(fā)展提供一定借鑒和參考。無(wú)錫密封V法鑄造優(yōu)點(diǎn)</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。江陰華天科技致力于為客戶提供良好的氣力輸送，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。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。江陰華天科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1273729.html</p></div></div></div></div></div><div id="zifmjax" class="page-right twoColRt"><div id="3u8xo7j" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rlnfhel" 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 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