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class="proBig"><div id="mkqrxtp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889693593750/34083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="twsoflm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889693593750/34083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hawiuam" 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)品關鍵詞：</span>揚州先進V法鑄造設備廠,V法鑄造</p><p><span>***更新：</span>2020-07-10 20:35:23</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="jxof3ef" 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="qjfghdj" class="page-proshow02"><p class="title">詳細說明</p><div id="mkbn7hn" class="box"><p><p> 首先，模樣作成空心，表面開設抽氣孔（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，揚州先進V法鑄造設備廠，較大的模樣內(nèi)部設置加強筋，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，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，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，大平板及分型面處要保證足夠的強度和順暢的通氣性，揚州先進V法鑄造設備廠，揚州先進V法鑄造設備廠，利用定位銷或砂胎等使模樣定位要準確。目前國內(nèi)有十多個在建的鑄造工業(yè)園區(qū)，均采用高爐—感應爐供應鐵液，年產(chǎn)鑄件達100多萬噸。揚州先進V法鑄造設備廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州先進V法鑄造設備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889693593750/34083.png"></div><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)濟發(fā)達的長江三角洲經(jīng)濟區(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、水玻璃砂鑄造設備，輸送設備及環(huán)保設備的設計制造、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法鑄造技術在耐磨鑄件上的應用雖有所拓展，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)的基礎研究，提高裝備設計制作水平，提高配套設備及原輔材料質(zhì)量及使用技術水平，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發(fā)展做出貢獻。</span> 揚州負壓V法鑄造廠國家環(huán)保的壓力更是推動了部分不符合標準的小企業(yè)加快了這一實驗的腳步。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州先進V法鑄造設備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p> 關于V法鑄造工藝優(yōu)勢的討論國外典型耐磨鑄件生產(chǎn)企業(yè)實踐證明V法鑄造工藝在耐磨鑄件的生產(chǎn)上是成功的，也是有優(yōu)勢的。具體優(yōu)勢如下： </p> <p> 1產(chǎn)品質(zhì)量方面 </p> <p> V法鑄造鑄件表面質(zhì)量好，光潔度高；產(chǎn)品尺寸精度高，尤其是中大型鑄件批量化生產(chǎn)條件下的尺寸穩(wěn)定性更具優(yōu)勢；產(chǎn)品輪廓清晰，可實現(xiàn)少無拔模斜度；鋼水流動性好，可實現(xiàn)低溫度澆注，作為提高鑄件晶粒度等級，提高耐磨性的潛在手段之一； </p> <p> 2生產(chǎn)管理方面 </p> <p> V法鑄造工藝的成本更低，單位鑄件重量能耗和輔材消耗低，勞動強度低；采用干砂造型無需混砂等過程，設備投資少，砂處理簡單，舊砂回用率較高，不存在廢砂廢水等污染情況；模具磨損小，壽命高；高自動化程度生產(chǎn)線生產(chǎn)效率高，人均產(chǎn)量高； </p><p style="text-indent:25px">鑄型強度不夠或者不均勻，在有些具有大平面特點的鑄件生產(chǎn)上，不能很好的減小或防止鑄件在冷卻過程中的變形。有時候常常為了落砂的簡易性，對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。上下箱必須都設計抽氣箱檔，才能有效保障鑄型強度的均勻性及上下鑄型強度的對等性。圖9、圖10為某廠生產(chǎn)某種型號的鐵路側(cè)架鑄件的上下箱結構圖。另外值得一提的是，砂箱結構設計合理，對于同一套真空系統(tǒng)來講，可能同時允許接入的砂箱數(shù)量就會增加，意味著真空系統(tǒng)的利用效率明顯增**設補縮冒口須根據(jù)砂型鑄造工藝原則、V法鑄造工藝特點及鑄件特點等具體確定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州先進V法鑄造設備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889931113282/8104857.png"></div><p> 重視工藝試驗和工藝過程的積累 </p> <p> 通過工藝試驗過程的開展，理解耐磨鑄件V法鑄造工藝路線，熟知工藝控制要點及比較好工藝參數(shù)，對于V法鑄造項目的順利開展具有重要意義。V法鑄造在國內(nèi)推廣早期，上述環(huán)節(jié)的缺失為不少企業(yè)釀成了重大損失，目前逐漸引起越來越多企業(yè)的重視。尤其是真空的使用和控制是V法鑄造工藝有別于傳統(tǒng)砂型鑄造的重要特征，深刻的影響著產(chǎn)品質(zhì)量和生產(chǎn)管理過程的控制等。從國外耐磨企業(yè)案例不難看出，在其探索過程中，同樣經(jīng)過了足夠的產(chǎn)品生產(chǎn)試驗，從單件到小批量，從簡易工藝設備到大型生產(chǎn)線，在充分分析工藝過程的基礎上，對相應V法工藝裝備及生產(chǎn)線有了更充分的認識和風險預判，為后續(xù)的批量化生產(chǎn)奠定了基礎。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。南通專業(yè)V法鑄造流程</p><p style="text-indent:25px">穩(wěn)壓除塵濾氣罐。穩(wěn)壓罐主要作用是穩(wěn)定真空系統(tǒng)壓力，緩沖系統(tǒng)壓力波動對造型、澆注的影響。揚州先進V法鑄造設備廠</p><p> 砂芯的設計 </p> <p> 砂芯的設計主要是排氣問題，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行匯集，通過匯集點向鑄型外排出，使得砂芯內(nèi)氣體有效排出型外，避免氣孔和鑄件內(nèi)壁氧化等缺點。 </p> <p> <br /> </p> <p> <br /> </p> <p> 5.澆注速度、真空保持時間的設計 </p> <p> 由于V法鑄造的真空特點，澆注過程中，外型和坭芯均處于真空狀態(tài)，其澆注充型的能力遠大于其它鑄造工藝。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。 </p> <p> 在通氣和排氣系統(tǒng)適當?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上提高20%～30%;澆注終了的點澆等與其它工藝相同。揚州先進V法鑄造設備廠</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司成立于2006-09-27，專業(yè)環(huán)保設備、氣力輸送設備、V法鑄造機械設備、消失模設備、樹脂砂設備、其他通用機械設備的技術開發(fā)、設計、制造、加工、銷售、安裝、調(diào)試、維修。產(chǎn)品與服務用于鋼鐵、有色、煤化工、石油化工、鐵路、食品、火電、鑄造等行業(yè)。等多項業(yè)務，主營業(yè)務涵蓋[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設備" ]。目前我公司在職員工達到11~50人人，是一個有活力有能力有創(chuàng)新精神的高效團隊。江陰華天科技開發(fā)有限公司主營業(yè)務涵蓋[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設備" ]，堅持“質(zhì)量***、質(zhì)量服務、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。目前公司已經(jīng)成為[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設備" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領域拓展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/561877.html</p></div></div></div></div></div><div id="g23hxoz" class="page-right twoColRt"><div id="s8mhjkl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uokwiz3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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