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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="qz4tiev" class="twoCol"><div id="zdnumtf" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a 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>?南通覆膜砂V法鑄造效果歡迎咨詢江陰華天科技供應(yīng)</p><div id="lzo8kmt" class="leftbox clearfix"><h1>南通覆膜砂V法鑄造效果歡迎咨詢江陰華天科技供應(yīng)</h1><div id="ptdctfh" class="proBig"><div id="qzrtfro" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bacz7v8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="obd3eqn" 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>南通覆膜砂V法鑄造效果,V法鑄造</p><p><span>***更新：</span>2020-08-07 12:11:46</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="iwdbefc" 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</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="aegmj2s" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nhewtfh" 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(qiáng)筋，以保證在抽氣負(fù)壓作用下，模樣不破裂或變形；其次，薄膜和模樣之間較光滑，模樣撥模斜度可適當(dāng)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，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(rèn)識V法鑄造抽真空的特點(diǎn)及保證吸膜成型性的需要，南通覆膜砂V法鑄造效果，大平板及分型面處要保證足夠的強(qiáng)度和順暢的通氣性，南通覆膜砂V法鑄造效果，南通覆膜砂V法鑄造效果，利用定位銷或砂胎等使模樣定位要準(zhǔn)確。正確選用塑料薄膜，型砂，真空泵﹑負(fù)壓度、振動時間和結(jié)構(gòu)合理的砂箱是獲得質(zhì)量V法鑄件的基礎(chǔ)；南通覆膜砂V法鑄造效果</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通覆膜砂V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.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(qiáng)化抽真空措施，調(diào)節(jié)抽氣速度實(shí)現(xiàn)覆膜成型。南通專業(yè)V法鑄造裝備V法鑄造是設(shè)備﹑工藝和原輔材料相互配合協(xié)調(diào)平衡的有機(jī)結(jié)合，要全盤考慮協(xié)調(diào)的系統(tǒng)工程。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通覆膜砂V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889431923828/6575353.png"></div><p> V法鑄造工藝流程 </p> <p> <span style="font-size:12px;">其流程如下。</span> </p> <p> 1．加熱薄膜并覆膜 </p> <p> (1)薄膜材質(zhì)EVA。 </p> <p> (2)薄膜厚度0.15mm。 </p> <p> (3)加熱溫度80~120℃。 </p> <p> (4)吸氣壓強(qiáng)：26.7~53.4kPa。 </p> <p> 2．放置澆注系統(tǒng)并加冒口 </p> <p> (1)直澆道為進(jìn)口陶管，用膠帶粘到模樣上并密封。 </p> <p> (2)冒口為木頭，用塑料包好并用膠帶纏到模樣上密封好。 </p> <p> (3)澆道和冒口都要密封好，已放置漏氣不能很好覆膜。 </p> <p> (4)澆道和冒口與模樣的連接處用刀子切口，便于后期澆注是排氣。 </p> <p> 3．噴涂料并等待涂料干燥 </p> <p> （1）涂料成分：重量比為50%的工業(yè)酒精與50%的滑石粉混合的懸濁液。 </p> <p> （2）噴漆厚度：0.04mm。 </p> <p> （3）使用要求：噴涂均勻，個別地方要補(bǔ)刷涂料；噴涂后要等待涂料烘干再放砂。 </p><p> 耐磨鑄件是采礦、冶金、建材、電力、石化、機(jī)械、交通等重要工業(yè)領(lǐng)域的消耗品，在工業(yè)生產(chǎn)中占有重要地位。據(jù)不完全統(tǒng)計, 國內(nèi)年消耗量超過200 萬t , 目前已有近千家耐磨鑄件生產(chǎn)企業(yè), 年生產(chǎn)能力達(dá)到500 萬噸以上，鑄造工藝多種多樣。 </p> <p> 耐磨鑄件工藝現(xiàn)狀 </p> <p> 目前，耐磨鑄件普遍采用水玻璃砂，堿酚醛樹脂砂鑄造工藝，也有部分采用消失模鑄造工藝。這些工藝靈活穩(wěn)定，工藝成熟度較相對較高，能夠?qū)崿F(xiàn)穩(wěn)定批量化生產(chǎn)，是耐磨鑄件生產(chǎn)的傳統(tǒng)工藝。但尤其是水玻璃砂、樹脂砂工藝同時存在著勞動強(qiáng)度大，人均生產(chǎn)效率低的弊端，在環(huán)保問題日益嚴(yán)峻、勞動力成本越來越高的***，傳統(tǒng)工藝面臨著較大的壓力。 </p> <p> 結(jié)合產(chǎn)業(yè)升級的趨勢，國內(nèi)部分企業(yè)探索V法鑄造工藝生產(chǎn)耐磨鑄件，產(chǎn)品類型以軋臼壁、破碎壁、齒板、錘頭等中大型鑄件為主，所生產(chǎn)的鑄件具有表面質(zhì)量好，尺寸精度高的優(yōu)勢，同時造型落砂等工序勞動強(qiáng)度低，具有相對比較好的環(huán)保優(yōu)勢。利用短流程工藝來澆注V法鑄造中的特大件如大型配重等也引起了越來越多人的濃厚興趣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通覆膜砂V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p> 重視設(shè)備的定向研發(fā) </p> <p> 長期以來，國內(nèi)V法鑄造生產(chǎn)線布局設(shè)計及關(guān)鍵技術(shù)的水平不高，砂箱等關(guān)鍵工裝設(shè)備結(jié)構(gòu)單一，難以滿足多種類產(chǎn)品的工藝生產(chǎn)要求。因此有必要在摸清楚V法鑄造耐磨鑄件工藝生產(chǎn)特點(diǎn)的基礎(chǔ)上，為實(shí)現(xiàn)工藝要求對設(shè)備進(jìn)行相應(yīng)的研發(fā)設(shè)計，配套不同類型的生產(chǎn)線形式以滿足不同企業(yè)的需求。以砂箱為例，砂箱結(jié)構(gòu)設(shè)計作為V法鑄造生產(chǎn)線的**內(nèi)容，是保障產(chǎn)品質(zhì)量的****裝備。在以往的生產(chǎn)經(jīng)驗(yàn)中，因?yàn)樯跋浣Y(jié)構(gòu)問題引起的生產(chǎn)問題層出不窮。對于V法鑄造生產(chǎn)耐磨鑄件，砂箱尺寸往往龐大；如何實(shí)現(xiàn)多品種鑄件的生產(chǎn)，在保障砂箱通用性的基礎(chǔ)上盡可能滿足冒口等工藝布置的要求，同時還便于生產(chǎn)組織管理和砂箱自身維護(hù)，都是砂箱設(shè)計需要重點(diǎn)關(guān)注的部分。除此之外，真空系統(tǒng)的使用和控制，生產(chǎn)線布局形式的設(shè)計及生產(chǎn)節(jié)奏的安排都將是耐磨件V法鑄造生產(chǎn)所用裝備重點(diǎn)研究的部分。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)。南通覆膜砂V法鑄造效果</p><p style="text-indent:25px">四工位造型機(jī)的旋轉(zhuǎn)由氣缸驅(qū)動，并有可靠的定位機(jī)構(gòu)，整機(jī)動作采用可編程控制器（即PC）程序控制。南通覆膜砂V法鑄造效果</p><p style="text-indent:25px">V法工藝生產(chǎn)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(guān)注，并逐步應(yīng)用于很多產(chǎn)品的生產(chǎn)。同時，該工藝傳入北美及歐洲地區(qū)，取得了長足發(fā)展，應(yīng)用范圍不斷擴(kuò)展，在叉車配重、工程機(jī)械橋殼、浴盆等領(lǐng)域獲得了非常成熟的應(yīng)用。在耐磨鑄件領(lǐng)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(chǎn)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(nèi)，從上世紀(jì)80年代開始有初步探索該工藝生產(chǎn)耐磨鑄件的試驗(yàn)，但是沒有成熟應(yīng)用（除鐵路道岔外）。近些年，在耐磨鑄件生產(chǎn)領(lǐng)域，V法鑄造工藝重新得到重視和關(guān)注。目前，V法鑄造在耐磨鑄件的生產(chǎn)應(yīng)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(chǎn)，取得了不錯的效果。南通覆膜砂V法鑄造效果</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司創(chuàng)建于2006-09-27，注冊資金 700-1000萬元，辦公設(shè)施齊全，辦公環(huán)境優(yōu)越，已***實(shí)行網(wǎng)絡(luò)化辦公，**提高了速度和效率。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進(jìn)取為宗旨，以建江陰華天科技明星產(chǎn)品為目標(biāo)，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司堅持以客戶為中心、環(huán)保設(shè)備、氣力輸送設(shè)備、V法鑄造機(jī)械設(shè)備、消失模設(shè)備、樹脂砂設(shè)備、其他通用機(jī)械設(shè)備的技術(shù)開發(fā)、設(shè)計、制造、加工、銷售、安裝、調(diào)試、維修。產(chǎn)品與服務(wù)用于鋼鐵、有色、煤化工、石油化工、鐵路、食品、火電、鑄造等行業(yè)。市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。江陰華天科技開發(fā)有限公司主營業(yè)務(wù)涵蓋[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]，堅持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/838044.html</p></div></div></div></div></div><div id="gk374ml" class="page-right twoColRt"><div id="3wyaxz2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bk7nubd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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