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src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889370097657/738567.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oxz3zkr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889370097657/738567.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="icu7fh3" 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>南京實型V法鑄造特點,V法鑄造</p><p><span>***更新：</span>2020-11-27 03:11:29</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="u8i33k3" 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="vegdf2s" class="page-proshow02"><p class="title">詳細說明</p><div id="j8icu7k" class="box"><p><p> 首先，模樣作成空心，表面開設(shè)抽氣孔（抽氣孔直徑一般為0.5～2.5 mm），形成抽氣室，模樣盡量避免尖銳的棱角，較大的模樣內(nèi)部設(shè)置加強筋，以保證在抽氣負壓作用下，模樣不破裂或變形；其次，薄膜和模樣之間較光滑，南京實型V法鑄造特點，模樣撥模斜度可適當減??； </p> <p> 木模表面不宜涂刷漆片溶液或耐溫低于60～70℃的其它油漆，南京實型V法鑄造特點，否則將烘熱的塑料薄膜覆上后會出現(xiàn)粘膜現(xiàn)象，影響拔模。 </p> <p> 模樣的制作應(yīng)充分認識V法鑄造抽真空的特點及保證吸膜成型性的需要，南京實型V法鑄造特點，大平板及分型面處要保證足夠的強度和順暢的通氣性，利用定位銷或砂胎等使模樣定位要準確。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。南京實型V法鑄造特點</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實型V法鑄造特點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889370097657/738567.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，采取局部強化抽真空措施，調(diào)節(jié)抽氣速度實現(xiàn)覆膜成型。南京實型V法鑄造特點縮短了生產(chǎn)鏈，省去了高爐鐵水凝固和重熔環(huán)節(jié)，簡稱為短流程鑄造工藝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實型V法鑄造特點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> <p> 砂處理設(shè)備 </p> <p> V法鑄造生產(chǎn)線的砂處理系統(tǒng)主要解決四個問題：一是去除舊砂中存在的鐵屑、鐵渣等雜物；二是去除舊砂斗中薄膜及砂芯的殘渣；三是落砂后的熱砂降溫至所需的溫度范圍；四是整個砂處理系統(tǒng)的除塵和吸塵保證舊砂的再生質(zhì)量和環(huán)保的要求。一般V法所用砂含泥量低于0.3～0.5%之內(nèi)。 </p> <p> 去除舊砂中的鐵性雜物一般采用貫通式或懸掛式永磁分選機。去除舊砂中的薄膜及砂芯等殘渣物，一般選用慣性直線振動篩和復合式篩分機。熱砂冷卻一般選用固定式流化床砂溫調(diào)節(jié)裝置或冷卻滾筒。除塵系統(tǒng)一般采用集中除塵，將落砂、篩分、冷卻、機運等揚塵點集中處理，選用旋風除塵器與袋式除塵組合式，均能達到良好的除塵效果。 </p> </p> <p> <br /> </p><p> V法鑄造投資少，砂處理系統(tǒng)較為簡單，運行能耗少。 </p> <p> 與其他砂型鑄造相比，V法鑄造環(huán)境友好，生產(chǎn)現(xiàn)場噪音低，鑄件拋丸清理量減少50%以上，勞動力減少35%以上。澆注時，薄膜、涂料和樹脂砂芯產(chǎn)生的煙氣都被真空系統(tǒng)抽走，經(jīng)過干濕過濾后排空，對大氣污染少；V法固體廢棄物少，干砂再生高達95％。符合節(jié)能減排的高要求。 </p> <p> V法優(yōu)勢鮮明，其弊端也很突出： </p> <p> 受到薄膜延伸性能的局限，V法鑄造不適宜生產(chǎn)外形復雜鑄件； </p> <p> V法制芯技術(shù)還不成熟，采用樹脂砂芯或水玻璃砂芯才能鑄造內(nèi)腔復雜鑄件； </p> <p> 真空系統(tǒng)需隨時與砂型相連； </p> <p> V法鑄造不適合生產(chǎn)小型鑄件，生產(chǎn)效率難以提高； </p> <p> V法鑄鋼易出現(xiàn)氣孔和夾渣等鑄造缺點，尤其低碳鋼件有較嚴重的增碳。鑄造的鑄件上箱型腔表面積大時，應(yīng)將鑄型傾斜澆注，使金屬液從型腔低端進入；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實型V法鑄造特點,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png"></div><p> 四工位轉(zhuǎn)臺式V法造型機 </p> <p> 該機組主要由轉(zhuǎn)臺（帶氣動驅(qū)動和定位機構(gòu)）、負壓分配閥、自動覆膜機、震實臺、自動雨淋式加砂機構(gòu)及貯砂斗等組成。轉(zhuǎn)臺上安放4臺造型模樣，兩組上箱，兩組下箱，分別由負壓箱、型板、模樣組合。轉(zhuǎn)臺由氣缸驅(qū)動并有兩個氣動定位銷確保轉(zhuǎn)臺定位無誤，負壓分配閥可根據(jù)各工位的抽真空要求自動抽氣，自動覆膜，是將成卷的薄膜放在托架上完成吸膜、輸送、烘烤、薄膜切斷、起箱覆膜功能。震實臺為平板式震實臺坐在四個空氣彈簧上，用振動電機激振，雨淋式加砂機構(gòu)由格子板、氣動插板閥控制加砂和關(guān)閉。整個動作程序由PLC程序控制。 </p> <p> 操作程序：Ⅰ工位：覆膜；Ⅱ工位：噴（刷）涂料，放砂箱；Ⅲ工位：加砂震實；Ⅳ工位：蓋膜頂箱起模。如***工序為下箱時，則第二工序為上箱，上、下箱在平臺上合箱后，帶著真空負壓軟管一起吊運到澆注轉(zhuǎn)臺上。 </p> <p> 江陰華天科技開發(fā)有限公司為天津耐酸泵廠設(shè)計的四工位V法造型機屬于這種類型，主要生產(chǎn)耐酸泵葉輪等不銹鋼鑄件。年產(chǎn)量600～1000t/年，砂箱內(nèi)尺寸1000×630×150/150mm，比較大砂箱尺寸1000×800×150/150mm，造型生產(chǎn)率10～15型/h。真空泵水環(huán)中的水溫度不能高于40℃，以便冷卻抽入的熱氣體。國內(nèi)一般選用2BE﹑SK及機械泵等。南通V法鑄造原理</p><p style="text-indent:25px">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(nèi)的空氣造成鑄型內(nèi)外壓力差使干砂緊實。南京實型V法鑄造特點</p><p style="text-indent:25px">機械及行業(yè)設(shè)備行業(yè)，顧名思義就是與機械有關(guān)的行業(yè)，在很大程度上影響國民經(jīng)濟大發(fā)展，機械制造業(yè)也在一定程度上體現(xiàn)了經(jīng)濟建設(shè)水平。隨著經(jīng)濟的飛速發(fā)展，我國機械行業(yè)發(fā)展迅速，制造水平明顯提升。細分市場看，推土機、平地機市場呈現(xiàn)出較大的回落趨勢，上述兩個私營有限責任公司市場出口也在收縮。(下滑具有一定的周期性，推土機在2018年銷量大漲)而汽車起重機則成為了工程機械行業(yè)“明星產(chǎn)品”。加快推進人工智能技術(shù)、機器人技術(shù)、物聯(lián)網(wǎng)技術(shù)在機械工業(yè)全過程中的應(yīng)用，促進生產(chǎn)過程的數(shù)字化操控、模仿優(yōu)化、狀態(tài)實時監(jiān)測和自適應(yīng)操控，從而提高產(chǎn)品的智能化水平，使氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備工業(yè)產(chǎn)業(yè)鏈水平由中低端向中**邁進。生產(chǎn)型企業(yè)要完善機械服務(wù)業(yè)體系，培育機械后市場增長點。帶動維修、售后、網(wǎng)點、租賃、進出口、二手市場等相關(guān)產(chǎn)業(yè)同步發(fā)展。建立信息管理系統(tǒng)，加強分類回收管理，完善機械再制造體系，提升零部件循環(huán)利用能力。南京實型V法鑄造特點</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司主要經(jīng)營范圍是機械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。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。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機械及行業(yè)設(shè)備良好品牌。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/2159357.html</p></div></div></div></div></div><div id="v7elne2" class="page-right twoColRt"><div id="z7y2wnx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dskryfc" 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(yīng)" 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(yīng)</p></a></div><div id="jy2xf88" class="recomPic likePro"><a 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