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src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tz7htag" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jpvhypg" 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(jìn)V法鑄造效果,V法鑄造</p><p><span>***更新：</span>2020-12-02 02:12:09</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="8e8lho8" 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="qtuk8uz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lkgnjvm" class="box"><p><p style="text-indent:25px">美國耐磨狼公司，作為北美地區(qū)礦山耐磨行業(yè)耐磨鑄件的主要供應(yīng)商，采用V法鑄造生產(chǎn)線生產(chǎn)耐磨鑄件，獲得了優(yōu)異的產(chǎn)品質(zhì)量，并將V法鑄造工藝發(fā)展成為了耐磨件鑄造的主流工藝。該公司從1979年開始接觸V法鑄造工藝，共有三條V法鑄造生產(chǎn)線，產(chǎn)品重量在225kg-4500kg之間，單條生產(chǎn)線生產(chǎn)效率比較高達(dá)15箱/小時。該公司同時擁有自硬砂鑄造工藝，針對不同要求產(chǎn)品進(jìn)行不同工藝的搭配生產(chǎn)，其中V法鑄造生產(chǎn)了超過75%的鑄件。該公司認(rèn)為V法鑄造主要有如下優(yōu)勢：鑄件的一致性好，客戶對鑄件尤其是大型鑄件一致性的要求更高；環(huán)境友好，生產(chǎn)過程無化學(xué)添加劑，泰州先進(jìn)V法鑄造效果，作業(yè)環(huán)境優(yōu)化，泰州先進(jìn)V法鑄造效果，無需混砂；更好的鑄件質(zhì)量，鑄件尺寸精度非常出色，泰州先進(jìn)V法鑄造效果，鑄件表面質(zhì)量更好；無拔模斜度。砂子的回收率很高可達(dá)95%以上，動力消耗*為濕法造型的60%，并可減少勞動力35%。泰州先進(jìn)V法鑄造效果</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州先進(jìn)V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><p> V法鑄造工藝設(shè)計簡介 </p> <p> 對于V法鑄造工藝的設(shè)計，不是只完成單個鑄件的工藝設(shè)計，應(yīng)該是先完成單個鑄件的澆冒口系統(tǒng)、砂芯設(shè)計、透氣設(shè)計、冷鐵等的設(shè)計，然后，根據(jù)工廠現(xiàn)有V法裝備的實際和生產(chǎn)效率等進(jìn)行模具的工藝布置設(shè)計，合理布置，重新進(jìn)行澆注系統(tǒng)的優(yōu)化設(shè)計。之后進(jìn)行模型體和型板上的抽氣塞設(shè)計(大小、位置、間距等設(shè)計)，抽氣塞的設(shè)計必須自行進(jìn)行，不能交由模具設(shè)計和制作單位進(jìn)行，抽氣塞設(shè)計是否合理對后續(xù)生產(chǎn)中的覆膜效果影響很大，同時影響生產(chǎn)中抽氣塞破損、堵塞后的更換。上述工作完成之后開始進(jìn)行砂箱的設(shè)計工作，抽氣布局要合理，尤其是澆口和冒口附近，由于薄膜氣化和涂層受熱嚴(yán)重，真空泄漏較多，應(yīng)在該部位增大真空抽氣量，保證該部位的負(fù)壓滿足實際需要。在進(jìn)行砂箱設(shè)計時，不能只考慮真空度是否滿足，砂箱的負(fù)壓室容積必須保證足夠的抽氣量，否則，即便是真空度足夠，抽氣量不足同樣造成鑄型緊實率不足、砂型硬度不夠，澆注過程中甚至?xí)纱水a(chǎn)生砂型垮塌。南京真空V法鑄造裝備四工位造型機的旋轉(zhuǎn)由氣缸驅(qū)動，并有可靠的定位機構(gòu)，整機動作采用可編程控制器（即PC）程序控制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州先進(jìn)V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png"></div><p> 4．加砂造型并震實 </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：用過的砂子要經(jīng)過除塵和冷卻方能使用。 </p> <p> 5．起膜并放置型芯 </p> <p> （1）起膜時要掌握行車，砂箱要平起，盡量避免錯位，錯位要及時修復(fù)。 </p> <p> （2）型芯為樹脂砂制作，表面涂油V法涂料。樹脂砂型芯較硬，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保證箱體之間的密封。 </p> <p> （3）合箱時要平起平落，不得與芯子相撞。 </p><p>?V法鑄造的特點<br></p><p>V法鑄造因其獨特生產(chǎn)工藝，使得生產(chǎn)出來的鑄件表面光潔度和尺寸精度高，生產(chǎn)工序簡單，金屬利用率高，模具和砂箱壽命長，減少型芯數(shù)量使用，舊砂可基本回用，節(jié)約造型成本，少污染且勞動強度低，適用于鑄鐵﹑鑄鋼﹑非鐵合金等鑄件的單件小批量或機械自動化大批量得生產(chǎn)。然造型操作較復(fù)雜，從造型開始至終需抽真空，且受薄膜本質(zhì)的限制，須有樹脂砂型芯方能生產(chǎn)復(fù)雜鑄件V法鑄造所用的模樣（如圖3.1所示）在V法鑄造生產(chǎn)中占有非常重要的地位，其質(zhì)量的優(yōu)劣直接影響鑄件的質(zhì)量。目前V法鑄造所用模樣一般用木質(zhì)。V法鑄造要求模樣表面光潔﹑尺寸精度高，其工藝收縮率及拔模斜度要小于粘土砂、水玻璃砂、樹脂砂等其他鑄造工藝，一般取收縮率為0．2％～0．8％，拔模斜度在0～1°。V法造型的模樣不與型砂接觸(由薄膜和涂料隔開)，磨損和變形很小，使用壽命長，但模樣結(jié)構(gòu)設(shè)計要考慮V法的要求。?<br>鑄型都必須保持一定的真空度以固定松散的干砂，確保鑄型有足夠的強度和剛度澆注時防止鑄型坍塌和鑄件變形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州先進(jìn)V法鑄造效果,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png"></div><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，而側(cè)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(xì)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>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。揚州V法鑄造特點</p><p style="text-indent:25px">2008年時我國鑄鐵件廠產(chǎn)量達(dá)2510萬噸，其中按短流程工藝生產(chǎn)的鑄件約占11.3%。泰州先進(jìn)V法鑄造效果</p><p style="text-indent:25px">V法鑄造用的砂箱，其結(jié)構(gòu)形式直接決定著砂箱內(nèi)負(fù)壓場的形成和分布，也就決定著鑄型強度的大小和均勻性。但是，不少觀念錯誤的認(rèn)為，只要砂箱里面能夠抽氣就行，至于怎么抽，抽多少，都無關(guān)緊要，只要不塌箱即可。所以目前，既有單純的抽氣管抽氣的砂箱，也有靠四壁抽氣的砂箱，**復(fù)雜的則有四壁抽氣并外加箱帶或抽氣管輔助的形式；似乎都達(dá)到了同樣的目的，都能生產(chǎn)出鑄件。然而，產(chǎn)生的影響卻是不一樣的。生產(chǎn)上習(xí)慣了用真空度來衡量或者表征鑄型的強度，認(rèn)為真空度越高，鑄型強度越高，塌箱的幾率也越小；實際上，對于砂箱來說，真空的形成是氣體流動的結(jié)果，是型腔內(nèi)的空氣被真空系統(tǒng)抽走之后形成的。泰州先進(jìn)V法鑄造效果</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司總部位于月城鎮(zhèn)月翔路17號，是一家環(huán)保設(shè)備、氣力輸送設(shè)備、V法鑄造機械設(shè)備、消失模設(shè)備、樹脂砂設(shè)備、其他通用機械設(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)。的公司。江陰華天科技深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備。江陰華天科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。江陰華天科技始終關(guān)注機械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2226856.html</p></div></div></div></div></div><div id="2ycdu8d" 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