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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>無錫負(fù)壓V法鑄造廠,V法鑄造</p><p><span>***更新：</span>2020-07-02 00:34:28</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="393t34q" 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="pure74t" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ixum8pq" 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(nèi)部排氣孔，再將這些排氣和集氣通道進(jìn)行匯集，通過匯集點(diǎn)向鑄型外排出，使得砂芯內(nèi)氣體有效排出型外，無錫負(fù)壓V法鑄造廠，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)，澆注過程中，無錫負(fù)壓V法鑄造廠，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，無錫負(fù)壓V法鑄造廠。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，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。分析砂溫對砂處理設(shè)備設(shè)計(jì)和鑄件質(zhì)量控制的影響，從而科學(xué)和適宜地進(jìn)行砂溫控制。無錫負(fù)壓V法鑄造廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187273359375/5282682.png"></div><p> 重視原輔材料的使用 </p> <p> 原輔材料對于鑄件質(zhì)量有直接的影響，重視原輔材料的使用，理解原輔材料對工藝過程及產(chǎn)品質(zhì)量的影響，對于提升鑄件質(zhì)量具有重要意義。V法鑄造工藝特別強(qiáng)調(diào)薄膜和涂料的使用控制，而耐磨鑄件本身對冒口補(bǔ)縮要求相對也較高，因此EVA薄膜，涂料，冒口等材料的使用技術(shù)在V法鑄造耐磨件方面比較關(guān)鍵。尤其是涂料的噴涂控制和烘干技術(shù)，冒口的安放及發(fā)氣量控制，不僅影響鑄件質(zhì)量，同時(shí)關(guān)系著生產(chǎn)作業(yè)效率和生產(chǎn)組織安排。另外，陶瓷管等其他輔助材料也將對鑄件沖砂和澆注安全性有著重要的影響。 </p> <p> <br /> 無錫質(zhì)量V法鑄造特點(diǎn)除塵濾氣罐的主要作用是防止細(xì)砂和粉塵進(jìn)入泵內(nèi)，磨損機(jī)械零件，影響泵的正常工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187202871094/8913519.png"></div><p style="text-indent:25px">V法鑄造是真空密封造型或負(fù)壓造型鑄造工藝的簡稱，其原理是利用塑料薄膜覆模造型并密封砂箱，依靠真空泵抽出型內(nèi)空氣，造成型內(nèi)箱外壓力差，使干砂緊實(shí)，形成所需型腔。其比較大優(yōu)勢是型砂不使用粘結(jié)劑，干砂回用率高達(dá)95%以上，不僅節(jié)能環(huán)保、落砂簡便、改善勞動(dòng)條件，而且鑄件表面品質(zhì)和尺寸精度**提高。V法鑄造是日本長野縣工業(yè)試驗(yàn)所和秋田株式會(huì)社于1971年的發(fā)明專利。V法鑄造至今經(jīng)過了38年的發(fā)展，同消失模鑄造一樣，作為第3代造型方法即物理硬化方法，在世界上尤其是在中國獲得了長足的發(fā)展。</p><p> <span style="font-size:12px;">江陰華天科技開發(fā)有限公司坐落于中國經(jīng)濟(jì)發(fā)達(dá)的長江三角洲經(jīng)濟(jì)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(shè)備，輸送設(shè)備及環(huán)保設(shè)備的設(shè)計(jì)制造、安裝調(diào)試。V法鑄造工藝在耐磨鑄件生產(chǎn)中具有成熟經(jīng)驗(yàn)可循，該工藝在國內(nèi)具有很大的發(fā)展?jié)摿?。目前國?nèi)V法鑄造技術(shù)在耐磨鑄件上的應(yīng)用雖有所拓展，但在產(chǎn)品質(zhì)量、生產(chǎn)效率及裝備水平等方面與國外先進(jìn)企業(yè)尚存在很大差距，需要我們集中精力提高針對耐磨鑄件V法工藝生產(chǎn)的基礎(chǔ)研究，提高裝備設(shè)計(jì)制作水平，提高配套設(shè)備及原輔材料質(zhì)量及使用技術(shù)水平，從而能夠充分發(fā)揮V法鑄造工藝優(yōu)勢，為耐磨鑄件在我國的綠色長遠(yuǎn)發(fā)展做出貢獻(xiàn)。</span> 澆注過程還必須保護(hù)密封塑料薄膜不被燒掉，否則，將***降低鑄型的負(fù)壓度及強(qiáng)度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637292187215576172/4218113.png"></div><p> (6) V法鑄造投資少，砂處理系統(tǒng)較為簡單，運(yùn)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(dòng)力減少35%以上。澆注時(shí)，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(dá)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(fù)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(fù)雜鑄件； </p> <p> 真空系統(tǒng)需隨時(shí)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(diǎn)，尤其低碳鋼件有較嚴(yán)重的增碳。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。無錫V法鑄造廠</p><p style="text-indent:25px">涂料是保證鑄件表面質(zhì)量，防止粘砂的關(guān)鍵；無錫負(fù)壓V法鑄造廠</p><p> 國內(nèi)耐磨鑄件生產(chǎn)企業(yè)對于V法鑄造工藝的理解、認(rèn)識及深層次的研究有限，對V法鑄造工藝的引入和采用相對比較盲目，缺乏循序漸進(jìn)的過程；在未經(jīng)過基本的工藝過程試驗(yàn)和未對裝備系統(tǒng)進(jìn)行必要充足認(rèn)識的基礎(chǔ)上，引入和建設(shè)的裝備及生產(chǎn)線難以很好滿足耐磨件V法鑄造工藝生產(chǎn)的要求，**終使得配套工裝設(shè)施勉強(qiáng)適應(yīng)工藝生產(chǎn)的需要，造成生產(chǎn)質(zhì)量上的問題及生產(chǎn)管理上的麻煩。 </p> <p> 4.2我國國內(nèi)耐磨鑄件市場龐大，生產(chǎn)企業(yè)多，無序競爭嚴(yán)重；耐磨鑄造企業(yè)普遍存在產(chǎn)品種類多、批量小的特點(diǎn)，這進(jìn)一步局限了V法鑄造工藝的普及和進(jìn)步。主要原因在于上述特點(diǎn)使得企業(yè)在采用V法鑄造工藝生產(chǎn)時(shí)面臨著較高的模具成本投入，裝備通用性設(shè)計(jì)難度增加，難以實(shí)現(xiàn)批量生產(chǎn)。反觀國外一些較大的企業(yè)，生產(chǎn)集中度較高，存在批量生產(chǎn)的條件，從而在V法鑄造的使用中獲得了較好的經(jīng)濟(jì)效益。無錫負(fù)壓V法鑄造廠</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司位于江蘇省無錫市，注冊資本700-1000萬元，旗下?lián)碛?1~50人***專業(yè)的員工。專業(yè)的團(tuán)隊(duì)大多數(shù)員工都有多年工作經(jīng)驗(yàn)，熟悉行業(yè)專業(yè)知識技能，致力于發(fā)展江陰華天科技的品牌。公司以用心服務(wù)為**價(jià)值,希望通過我們的專業(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(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。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(jiān)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/463452.html</p></div></div></div></div></div><div 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