泰州先進V法鑄造原理歡迎咨詢江陰華天科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="?V法造型用砂箱除四壁要密封外，砂箱內(nèi)部必須裝設(shè)抽氣過濾裝置，如圖3.4所示。按抽氣方式V法砂箱可分為側(cè)面抽氣式、管式抽氣式及金屬軟管抽氣和管式抽氣式復(fù)合砂箱。①側(cè)面抽氣式砂箱是用鋼板焊成的密封夾層，夾層之間形成連通的抽氣室，類似消失模用砂"><meta name="keywords" content="泰州先進V法鑄造原理,V法鑄造"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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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="73y3sda" 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="gs3xent" 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>泰州先進V法鑄造原理,V法鑄造</p><p><span>***更新：</span>2020-09-25 14:17:25</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="cme74ws" 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="edvn3np" class="page-proshow02"><p class="title">詳細說明</p><div id="hwy8g7q" class="box"><p><p>?V法造型用砂箱除四壁要密封外，砂箱內(nèi)部必須裝設(shè)抽氣過濾裝置，如圖3.4所示。按抽氣方式V法砂箱可分為側(cè)面抽氣式、管式抽氣式及金屬軟管抽氣和管式抽氣式復(fù)合砂箱。<br></p><p>①側(cè)面抽氣式砂箱是用鋼板焊成的密封夾層，夾層之間形成連通的抽氣室，類似消失模用砂箱；<br></p><p>②管式抽氣砂箱。該結(jié)構(gòu)砂箱的端壁是用鋼板焊成的密封夾層，夾層的中空部分形成抽氣室，泰州先進V法鑄造原理，而側(cè)壁是實體的，泰州先進V法鑄造原理，抽氣孔為焊于兩端壁上與抽氣室連通的數(shù)根抽氣管（孔間距25 mm左右，孔徑8～10 mm），在鋼管外面包兩層120～150目的金屬網(wǎng)，泰州先進V法鑄造原理，以防止細紗及粉塵被吸入抽氣室。適用于面積大于1200×1200mm中大型砂箱。<br>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；泰州先進V法鑄造原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州先進V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.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、落砂前必須撤出負壓。 </p> </p> <p> <br /> 泰州先進V法鑄造原理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="泰州先進V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png"></div><p style="text-indent:25px">V法鑄造是真空密封造型或負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。</p><p> 覆膜架設(shè)計對覆膜成形的影響 </p> <p> 烤膜覆膜作為V法鑄造的第一步，直接影響著整個造型的質(zhì)量和效率。EVA薄膜只有在加熱烘烤到一定程度的時候，其延伸性也就是通常所說的覆膜成形性能才能達到比較好狀態(tài)。然而，從烘烤結(jié)束到薄膜下降至模具的過程中，EVA薄膜由于逐漸遠離熱源，會很快冷卻，脫離比較好覆膜狀態(tài)。這就要求覆膜架在極短的時間內(nèi)，完成覆膜動作。大量的工藝實踐表明，覆膜架在5s內(nèi)下行到位是**為合適的，時間越長，對薄膜原有的熱態(tài)延伸性削減越大。一個簡單的公式：t=s/v；（t—覆膜框行走時間；s—覆膜框行程，即EVA薄膜加熱位置與模具臺面的距離；v—覆膜框下降的平均速度）顯然，覆膜框行程和下降的速度直接影響著行走時間，也就影響著覆膜成形的質(zhì)量。真空密封造型是物理造型法，砂中無水分及其他輔料加入。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州先進V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889693593750/34083.png"></div><p style="text-indent:25px">目前，大部分廠家已經(jīng)采用頂桿起模機（見圖6），甚至自動化程度更高的機械手完成起模動作（見圖7）。相比之前的行車起模和簡單的千斤頂起模方式來說，起模的安全性和穩(wěn)定性已經(jīng)有了很大進步。但是，在越來越多精密鑄件成形的過程中，逐漸發(fā)現(xiàn)部分起模頂桿或者機械手的精度和強度問題。主要反映在起模頂桿導(dǎo)柱導(dǎo)套所用材質(zhì)的質(zhì)量和數(shù)量不夠達標，或者不經(jīng)過應(yīng)有的熱處理工藝，造型起模頂桿強度和剛性不足。再加上加工或安裝精度不夠，造成起模過程中頂桿的撓曲變形和起模不穩(wěn)，致使鑄型部分位置擦傷破損，影響鑄型完整性，造成鑄件粘砂，甚至塌箱等缺點。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。南通優(yōu)良V法鑄造裝備</p><p style="text-indent:25px">近國內(nèi)消失模生產(chǎn)廠家發(fā)展迅速，尤其是中小廠家，但實踐中有些鑄件采用消失模鑄造不很對號。泰州先進V法鑄造原理</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(jīng)濟發(fā)達的長江三角洲經(jīng)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(shè)備，輸送設(shè)備及環(huán)保設(shè)備的設(shè)計制造、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)驗可循，該工藝在國內(nèi)具有很大的發(fā)展?jié)摿ΑＤ壳皣鴥?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(chǎn)的基礎(chǔ)研究，提高裝備設(shè)計制作水平，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，為耐磨鑄件在我國的綠色長遠發(fā)展做出貢獻。</span> 泰州先進V法鑄造原理</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，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設(shè)備行業(yè)的發(fā)展。江陰華天科技立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1420504.html</p></div></div></div></div></div><div id="lfh84rj" class="page-right twoColRt"><div id="ujg8lxj" class="box01 margin10 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