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href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設備</a>?南通真空V法鑄造設備歡迎來電江陰華天科技供應</p><div id="7rn8d3n" class="leftbox clearfix"><h1>南通真空V法鑄造設備歡迎來電江陰華天科技供應</h1><div id="8hokht8" class="proBig"><div id="eskhjq9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ng7gf8y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="s39lyih" 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>產品關鍵詞：</span>南通真空V法鑄造設備,V法鑄造</p><p><span>***更新：</span>2020-12-15 10:17:33</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="2kcst3q" 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="fzwy8bi" class="page-proshow02"><p class="title">詳細說明</p><div id="tx3bywf" class="box"><p><p style="text-indent:25px">對于一些多筋板或具有相當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，運轉穩(wěn)定性差，末端柔性不足，南通真空V法鑄造設備，在運轉過程中產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等過程中的安全性，南通真空V法鑄造設備。隨著V法成套裝備生產線自動化和機械化水平的提升，對起模機構的使用要求越來越高，南通真空V法鑄造設備。這就需要我們在這些關鍵的造型設備方面，提高設計，制造，安裝的精度和可靠性，以充分保障造型質量和鑄型安全。為了穩(wěn)定系統(tǒng)壓力，避免澆注時出現(xiàn)塌箱，應加大穩(wěn)壓罐容積。南通真空V法鑄造設備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通真空V法鑄造設備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png"></div><p style="text-indent:25px">微觀上來講，砂型強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砂子有較強的摩擦力，也就加強了其附近砂型的強度。某廠在采用V法工藝生產球鐵橋殼過程中，由于砂箱未加箱檔或抽氣管，盡管系統(tǒng)真空度較高，但是鑄型強度及剛性不足，完全抵擋不住球墨鑄**固過程中的石墨化膨脹，嚴重脹箱，造成鑄件內部組織致密性不夠，同時分型面產生極大的飛邊，致使鑄件報廢。砂箱及鑄件如圖8所示。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、水玻璃砂鑄造設備，輸送設備及環(huán)保設備的設計制造、安裝調試。泰州密封V法鑄造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="南通真空V法鑄造設備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><p style="text-indent:25px">V法工藝生產耐磨鑄件的發(fā)展V法鑄造1973年起源于日本，80年代引入中國后得到了***關注，并逐步應用于很多產品的生產。同時，該工藝傳入北美及歐洲地區(qū)，取得了長足發(fā)展，應用范圍不斷擴展，在叉車配重、工程機械橋殼、浴盆等領域獲得了非常成熟的應用。在耐磨鑄件領域，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，從上世紀80年代開始有初步探索該工藝生產耐磨鑄件的試驗，但是沒有成熟應用（除鐵路道岔外）。近些年，在耐磨鑄件生產領域，V法鑄造工藝重新得到重視和關注。目前，V法鑄造在耐磨鑄件的生產應用方面主要以傳統(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，取得了不錯的效果。</p><p>?V法造型用砂箱除四壁要密封外，砂箱內部必須裝設抽氣過濾裝置，如圖3.4所示。按抽氣方式V法砂箱可分為側面抽氣式、管式抽氣式及金屬軟管抽氣和管式抽氣式復合砂箱。<br></p><p>①側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。該結構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，而側壁是實體的，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)，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>砂子的回收率很高可達95%以上，動力消耗*為濕法造型的60%，并可減少勞動力35%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通真空V法鑄造設備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png"></div><p> 砂芯的設計 </p> <p> 砂芯的設計主要是排氣問題，在砂芯的分芯面上開挖排氣和集氣通道，在這些通道上扎制砂芯內部排氣孔，再將這些排氣和集氣通道進行匯集，通過匯集點向鑄型外排出，使得砂芯內氣體有效排出型外，避免氣孔和鑄件內壁氧化等缺點。 </p> <p> <br /> </p> <p> <br /> </p> <p> 5.澆注速度、真空保持時間的設計 </p> <p> 由于V法鑄造的真空特點，澆注過程中，外型和坭芯均處于真空狀態(tài)，其澆注充型的能力遠大于其它鑄造工藝。鑒于V法鑄造冷卻緩慢和真空特性，澆注溫度不宜偏高，目的是為了避免或減弱收縮類缺點。 </p> <p> 在通氣和排氣系統(tǒng)適當?shù)那闆r下，在澆注末期透氣孔不出現(xiàn)“嗆火”狀態(tài)下可以提高澆注速度，滿足產品質量前提下，可以在平常澆注速度的基礎上提高20%～30%;澆注終了的點澆等與其它工藝相同。真空密封造型緊實原理是利用塑料薄膜密封砂箱，依靠真空抽出型內的空氣造成鑄型內外壓力差使干砂緊實。泰州負壓V法鑄造裝備</p><p style="text-indent:25px">鑄型負壓度的控制。鑄型負壓度的控制包括真空度和抽氣速度控制，造型﹑澆注和冷卻期間。南通真空V法鑄造設備</p><p> V法鑄造工藝過程和特點 </p> <p> 1 V法鑄造基本工藝過程 </p> <p> 制造帶有抽氣箱和抽氣孔模樣。 </p> <p> 烘烤薄膜并覆蓋到模樣上，抽負壓，使覆膜成形，后噴上快干涂料。 </p> <p> 將帶有過濾抽氣管的砂箱，放在已覆有薄膜的模板上。 </p> <p> 充填、振實、刮平箱內干砂，放上密封膜，抽負壓，使鑄型內外產生壓力差而緊實，。 </p> <p> 解除模樣內真空，起模。鑄型保持負壓狀態(tài)，直到下芯，合箱，澆鑄。 </p> <p> 脫箱落砂。冷卻后，將砂箱內的壓力恢復到常壓狀態(tài)，砂型自動潰散，鑄件保溫后取出，砂冷卻后返回系統(tǒng)循環(huán)使用，將鑄件取走進入清理工部完成工藝過程。南通真空V法鑄造設備</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)設備，是一家生產型的公司。公司自成立以來，以質量為發(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)保設備深受客戶的喜愛。公司從事機械及行業(yè)設備多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產品及服務。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2415633.html</p></div></div></div></div></div><div id="2he28n3" class="page-right twoColRt"><div id="82pg3x9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dspmdea" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="y7abizb" 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