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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="f8yqh3w" class="twoCol"><div id="zs7qc82" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?南京實(shí)型V法鑄造設(shè)備廠服務(wù)至上江陰華天科技供應(yīng)</p><div id="anwstkr" class="leftbox clearfix"><h1>南京實(shí)型V法鑄造設(shè)備廠服務(wù)至上江陰華天科技供應(yīng)</h1><div id="ljkmx8g" class="proBig"><div id="iw8lxyk" 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="ybnjawx" 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="pnpv3qp" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(shí)型V法鑄造設(shè)備廠,V法鑄造</p><p><span>***更新：</span>2020-10-14 11:06:27</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="7nypi33" 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(kāi)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(hào)</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="v4eqrc3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rdubduf" class="box"><p><p> 砂芯的設(shè)計(jì) </p> <p> 砂芯的設(shè)計(jì)主要是排氣問(wèn)題，在砂芯的分芯面上開(kāi)挖排氣和集氣通道，南京實(shí)型V法鑄造設(shè)備廠，在這些通道上扎制砂芯內(nèi)部排氣孔，再將這些排氣和集氣通道進(jìn)行匯集，通過(guò)匯集點(diǎn)向鑄型外排出，使得砂芯內(nèi)氣體有效排出型外，南京實(shí)型V法鑄造設(shè)備廠，避免氣孔和鑄件內(nèi)壁氧化等缺點(diǎn)。 </p> <p> <br /> </p> <p> <br /> </p> <p> 5.澆注速度、真空保持時(shí)間的設(shè)計(jì) </p> <p> 由于V法鑄造的真空特點(diǎn)，澆注過(guò)程中，外型和坭芯均處于真空狀態(tài)，其澆注充型的能力遠(yuǎn)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(diǎn)。 </p> <p> 在通氣和排氣系統(tǒng)適當(dāng)?shù)那闆r下，南京實(shí)型V法鑄造設(shè)備廠，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(chǎn)品質(zhì)量前提下，可以在平常澆注速度的基礎(chǔ)上提高20%～30%;澆注終了的點(diǎn)澆等與其它工藝相同。利用短流程工藝來(lái)澆注V法鑄造中的特大件如大型配重等也引起了越來(lái)越多人的濃厚興趣。南京實(shí)型V法鑄造設(shè)備廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實(shí)型V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p style="text-indent:25px">鑄型強(qiáng)度不夠或者不均勻，在有些具有大平面特點(diǎn)的鑄件生產(chǎn)上，不能很好的減小或防止鑄件在冷卻過(guò)程中的變形。有時(shí)候常常為了落砂的簡(jiǎn)易性，對(duì)于下箱往往不加箱檔，以利于鑄件直接從砂箱脫出。這是不合理的。上下箱必須都設(shè)計(jì)抽氣箱檔，才能有效保障鑄型強(qiáng)度的均勻性及上下鑄型強(qiáng)度的對(duì)等性。圖9、圖10為某廠生產(chǎn)某種型號(hào)的鐵路側(cè)架鑄件的上下箱結(jié)構(gòu)圖。另外值得一提的是，砂箱結(jié)構(gòu)設(shè)計(jì)合理，對(duì)于同一套真空系統(tǒng)來(lái)講，可能同時(shí)允許接入的砂箱數(shù)量就會(huì)增加，意味著真空系統(tǒng)的利用效率明顯增強(qiáng)。無(wú)錫V法鑄造流程目前國(guó)內(nèi)有十多個(gè)在建的鑄造工業(yè)園區(qū)，均采用高爐—感應(yīng)爐供應(yīng)鐵液，年產(chǎn)鑄件達(dá)100多萬(wàn)噸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實(shí)型V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.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(gè)問(wèn)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?jiān)?；三是落砂后的熱砂降溫至所需的溫度范圍；四是整個(gè)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(jī)。去除舊砂中的薄膜及砂芯等殘?jiān)铮话氵x用慣性直線振動(dòng)篩和復(fù)合式篩分機(jī)。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(jī)運(yùn)等揚(yáng)塵點(diǎn)集中處理，選用旋風(fēng)除塵器與袋式除塵組合式，均能達(dá)到良好的除塵效果。 </p> </p> <p> <br /> </p><p> 4．加砂造型并震實(shí) </p> <p> （1）砂子成分：以120～140目海細(xì)沙為宜。 </p> <p> （2）加砂方式：先將少量砂子加到模樣上，壓住薄膜，以保證薄膜不起皺。 </p> <p> （3）砂子處理：用過(guò)的砂子要經(jīng)過(guò)除塵和冷卻方能使用。 </p> <p> 5．起膜并放置型芯 </p> <p> （1）起膜時(shí)要掌握行車，砂箱要平起，盡量避免錯(cuò)位，錯(cuò)位要及時(shí)修復(fù)。 </p> <p> （2）型芯為樹(shù)脂砂制作，表面涂油V法涂料。樹(shù)脂砂型芯較硬，能保證不粘砂和鑄件的完整。 </p> <p> （3）型芯的位置和尺寸要正確配合型腔 </p> <p> （4）型腔內(nèi)的砂子用真空吸管抽走。 </p> <p> 6．修整型腔并合箱 </p> <p> （1）型腔的拐角、凸緣要補(bǔ)刷涂料以保證能夠鑄出完整。 </p> <p> （2）上線箱體之間放泥條來(lái)保證箱體之間的密封。 </p> <p> （3）合箱時(shí)要平起平落，不得與芯子相撞。當(dāng)負(fù)壓度小于0.038MPa時(shí)，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="南京實(shí)型V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png"></div><p> V法工藝是70年代初發(fā)明的一種新的鑄造工藝方法，近幾年在我國(guó)應(yīng)用發(fā)展的很快，已從鑄造叉車配重、浴盆等鑄鐵鑄件發(fā)展到鑄鋼、鑄銅、鑄鋁加工件。但是一些形狀比較復(fù)雜的鑄件給覆膜帶來(lái)困難，有的需配多件砂芯。影響了造型效率，增加成本，使V法鑄造工藝的推廣應(yīng)用受到限制。 </p> <p> 我們是推廣應(yīng)用V法鑄造工藝和消失模鑄造工藝的企業(yè)。我們?cè)谕茝V過(guò)程中發(fā)現(xiàn)，將兩種工藝結(jié)合在一起，取長(zhǎng)補(bǔ)短，可以簡(jiǎn)化覆膜，提高覆膜質(zhì)量，提高鑄件質(zhì)量，減薄EVA薄膜厚度，減少砂芯用量，提高造型效率，降低V法鑄造成本，效果明顯。我們?cè)趹?yīng)用上進(jìn)行一些探討，試用，取得了明顯的效果。我們將這一工藝叫做《消失模鑄造工藝嫁接到V法鑄造工藝的新方法》供同行們參考，共同開(kāi)發(fā)這一工藝。縮短了生產(chǎn)鏈，省去了高爐鐵水凝固和重熔環(huán)節(jié)，簡(jiǎn)稱為短流程鑄造工藝。南京實(shí)型V法鑄造設(shè)備廠</p><p style="text-indent:25px">正確選用塑料薄膜，型砂，真空泵﹑負(fù)壓度、振動(dòng)時(shí)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)；南京實(shí)型V法鑄造設(shè)備廠</p><p> 與傳統(tǒng)濕型相比，V法砂型少無(wú)型壁移動(dòng)，其硬度可達(dá)90—95，由于干砂保溫時(shí)間長(zhǎng)，冒口體積可減少5%—15%。因此V法鑄造可提高金屬液的利用率（球墨鑄鐵件提高約25%，鑄鋼件提高約20%）。V法鑄造適合生產(chǎn)球墨鑄鐵鑄件，也適合生產(chǎn)鑄鋼件。圖4為V法鑄造的球墨鑄鐵后橋。圖5為我國(guó)天瑞集團(tuán)鑄造有限公司V法鑄造的鐵道機(jī)車鑄鋼側(cè)架。 </p> <p> V法砂型處于真空，不含水份，保溫性能好，很適合生產(chǎn)小批量少無(wú)內(nèi)腔的鋁合金鑄件。日本曾采用大型V法造型機(jī)和超大砂箱（7000 mm×4000mm×1000/800mm）生產(chǎn)出鑄鋁游艇殼體（見(jiàn)圖6）。烏克蘭、荷蘭和美國(guó)等數(shù)家鑄造企業(yè)采用V法生產(chǎn)醫(yī)療，電子，通訊等行業(yè)用的小型鋁鑄件，其鑄件表面質(zhì)量可與金屬型鑄鋁件媲美。圖7為美國(guó)Harmony Casting公司采用V法生產(chǎn)的鑄鋁件，大平面厚度為4.7mm，局部薄至2.3mm。南京實(shí)型V法鑄造設(shè)備廠</p><p style="text-indent:25px">江陰華天科技開(kāi)發(fā)有限公司位于月城鎮(zhèn)月翔路17號(hào)，擁有一支專業(yè)的技術(shù)團(tuán)隊(duì)。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠(chéng)信、敬業(yè)、進(jìn)取為宗旨，以建江陰華天科技產(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)。公司以用心服務(wù)為重點(diǎn)價(jià)值，希望通過(guò)我們的專業(yè)水平和不懈努力，將環(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(shù)脂砂設(shè)備、其他通用機(jī)械設(shè)備的技術(shù)開(kāi)發(fā)、設(shè)計(jì)、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)。等業(yè)務(wù)進(jìn)行到底。自公司成立以來(lái)，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營(yíng)理念，始終堅(jiān)持以客戶的需求和滿意為重點(diǎn)，為客戶提供良好的氣力輸送，V法鑄造，輸送機(jī)械，環(huán)保設(shè)備，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1551484.html</p></div></div></div></div></div><div id="28rsj3i" class="page-right twoColRt"><div id="u3devmo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tw3xjka" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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