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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>?無錫負(fù)壓V法鑄造工藝誠信為本江陰華天科技供應(yīng)</p><div id="uxonegx" class="leftbox clearfix"><h1>無錫負(fù)壓V法鑄造工藝誠信為本江陰華天科技供應(yīng)</h1><div id="aev2hyp" class="proBig"><div id="xrimseq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889431923828/6575353.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="aoklx39" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889431923828/6575353.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x2amdkb" 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>無錫負(fù)壓V法鑄造工藝,V法鑄造</p><p><span>***更新：</span>2020-12-03 09:16:37</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="q37dugc" 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: </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="x24ve7b" class="page-proshow02"><p class="title">詳細說明</p><div id="larn87r" class="box"><p><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，無錫負(fù)壓V法鑄造工藝，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℃，無錫負(fù)壓V法鑄造工藝，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，無錫負(fù)壓V法鑄造工藝，采取局部強化抽真空措施，調(diào)節(jié)抽氣速度實現(xiàn)覆膜成型。合理的澆注系統(tǒng)及澆注速度是防止產(chǎn)生脹砂、塌箱、增厚等缺點的關(guān)鍵措施；無錫負(fù)壓V法鑄造工藝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造工藝,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889431923828/6575353.png"></div><p> 多品種、中小批量生產(chǎn)工藝的設(shè)計 </p> <p> 對于中小型鑄造企業(yè)，多為小批量多品種生產(chǎn)。為此，該類型鑄造企業(yè)的V法鑄造生產(chǎn)線應(yīng)符合小批量多品種生產(chǎn)的需要，同時滿足某一產(chǎn)品中批生產(chǎn)的需要。有些中小企業(yè)的V法鑄造生產(chǎn)線采用上下模共線、多套模具順序移動的設(shè)計，致使企業(yè)模具投入較大，因多套模具順序移動單箱造型周期過長，生產(chǎn)效率低下。 </p> <p> 在V法鑄造生產(chǎn)線符合小批量多品種生產(chǎn)的要求外，相應(yīng)的工藝設(shè)計也應(yīng)符合這一要求。工藝設(shè)計人員應(yīng)在生產(chǎn)線比較大鑄型輪廓的前提下進行工藝設(shè)計?？梢园凑斩嗉残瓦M行工藝布局設(shè)計;可以根據(jù)產(chǎn)品外型、結(jié)構(gòu)和規(guī)格大小進行分類，采用共用底板框和小底板組合的形式進行多品種共型的工藝設(shè)計。通過多件共型達到提高生產(chǎn)效率之目的，通過共用底板框和小底板組合的形式實現(xiàn)多品種同時生產(chǎn)或輪番生產(chǎn)的目的，從而實現(xiàn)多品種中小批量生產(chǎn)的需求和效益。無錫優(yōu)良V法鑄造原理當(dāng)負(fù)壓度小于0.038MPa時，鑄型易發(fā)生脹箱、變形及塌砂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造工藝,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png"></div><p> 重視原輔材料的使用 </p> <p> 原輔材料對于鑄件質(zhì)量有直接的影響，重視原輔材料的使用，理解原輔材料對工藝過程及產(chǎn)品質(zhì)量的影響，對于提升鑄件質(zhì)量具有重要意義。V法鑄造工藝特別強調(diào)薄膜和涂料的使用控制，而耐磨鑄件本身對冒口補縮要求相對也較高，因此EVA薄膜，涂料，冒口等材料的使用技術(shù)在V法鑄造耐磨件方面比較關(guān)鍵。尤其是涂料的噴涂控制和烘干技術(shù)，冒口的安放及發(fā)氣量控制，不*影響鑄件質(zhì)量，同時關(guān)系著生產(chǎn)作業(yè)效率和生產(chǎn)組織安排。另外，陶瓷管等其他輔助材料也將對鑄件沖砂和澆注安全性有著重要的影響。 </p> <p> <br /> </p><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，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95%以上，不*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。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造工藝,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png"></div><p> <p> 生產(chǎn)線的工藝流程 </p> <p> 經(jīng)造型機造好的鑄型用氣吊將下箱放在合型平臺上進行修型和下芯，而后將造好的上箱用氣吊合型并放置在澆注平臺上，澆注后的砂箱經(jīng)氣動推桿推至落砂機上脫砂，人工去除塑料薄膜，落砂后的空砂箱經(jīng)氣缸推送到機運輥道上返回至造型機旁。鑄件落至桶內(nèi)。舊砂經(jīng)振動輸送機、斗提機、振動篩、水冷流化床等砂處理設(shè)備進入料斗貯存，當(dāng)造型需用砂時，舊砂經(jīng)斗提機、螺旋輸送機送入造型機砂斗里，全線各揚塵點均有吸塵管道集中除塵。主機為四工位造型機，完成覆膜、噴刷涂料及放砂箱、加砂緊實和蓋膜，頂箱起模四個工位，該機由氣缸驅(qū)動旋轉(zhuǎn)，并有可靠的定位機構(gòu)，自動覆膜機包括自動切膜、覆膜框水平移動機構(gòu)，電加熱薄膜、氣動頂型覆膜，抽真空閥及覆膜框復(fù)位等功能。四工位造型機上設(shè)有回轉(zhuǎn)式真空分配閥，跟各工位的要求自動提供或切斷真空。整機動作由PLC程序控制。八工位澆注轉(zhuǎn)臺及環(huán)形真空裝置。在小車上裝有8個砂箱托板組成澆注轉(zhuǎn)臺，驅(qū)動機構(gòu)使轉(zhuǎn)臺回轉(zhuǎn)并可任意位置停機。動作程序是將合型后的砂箱用氣吊放置澆注轉(zhuǎn)臺的托板上，待托板放滿砂箱后便可澆注，轉(zhuǎn)臺每轉(zhuǎn)一個工位砂箱必須正對著落砂機，以便氣缸推動砂箱至落砂機的框架上脫砂、落砂前必須撤出負(fù)壓。 </p> </p> <p> <br /> 通過不同型砂對鑄造工藝、砂處理設(shè)備、真空設(shè)備和工藝裝備設(shè)計的影響。南通負(fù)壓V法鑄造效果</p><p style="text-indent:25px">中小消失模生產(chǎn)單位，由于鑄件不穩(wěn)定，*使用消失模鑄造工藝往往不能適應(yīng)市場客戶的需求。無錫負(fù)壓V法鑄造工藝</p><p style="text-indent:25px">對于一些多筋板或具有相當(dāng)高垂直面的鑄件而言，這種擦傷鑄型的現(xiàn)象尤為普遍。而個別自動化程度很高的機械手，運轉(zhuǎn)穩(wěn)定性差，末端柔性不足，在運轉(zhuǎn)過程中產(chǎn)生震蕩或者難以急停，甚至不能保證**起碼的定位及真空對接精度，直接影響鑄型在起模翻轉(zhuǎn)等過程中的安全性。隨著V法成套裝備生產(chǎn)線自動化和機械化水平的提升，對起模機構(gòu)的使用要求越來越高。這就需要我們在這些關(guān)鍵的造型設(shè)備方面，提高設(shè)計，制造，安裝的精度和可靠性，以充分保障造型質(zhì)量和鑄型安全。無錫負(fù)壓V法鑄造工藝</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司致力于機械及行業(yè)設(shè)備，以科技創(chuàng)新實現(xiàn)***管理的追求。江陰華天科技深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備。江陰華天科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。江陰華天科技始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使江陰華天科技在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2249562.html</p></div></div></div></div></div><div id="hr8kbit" class="page-right twoColRt"><div id="cwawizf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ihd7kgh" class="recomPic likePro"><a 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