揚(yáng)州真空V法鑄造歡迎來電江陰華天科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="江陰華天科技開發(fā)有限公司坐落于中國(guó)經(jīng)濟(jì)發(fā)達(dá)的長(zhǎng)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(guó)內(nèi)"><meta name="keywords" content="揚(yáng)州真空V法鑄造,V法鑄造"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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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>揚(yáng)州真空V法鑄造,V法鑄造</p><p><span>***更新：</span>2020-11-13 12:23:56</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="apm3dah" 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(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="77ld3yn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lax2krt" class="box"><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(guó)經(jīng)濟(jì)發(fā)達(dá)的長(zhǎng)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(guó)內(nèi)具有很大的發(fā)展?jié)摿?。目前?guó)內(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，揚(yáng)州真空V法鑄造，揚(yáng)州真空V法鑄造、生產(chǎn)效率及裝備水平等方面與國(guó)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(duì)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，揚(yáng)州真空V法鑄造，從而能夠充分發(fā)揮V法鑄造工藝優(yōu)勢(shì)，為耐磨鑄件在我國(guó)的綠色長(zhǎng)遠(yuǎn)發(fā)展做出貢獻(xiàn)。</span> 近國(guó)內(nèi)消失模生產(chǎn)廠家發(fā)展迅速，尤其是中小廠家，但實(shí)踐中有些鑄件采用消失模鑄造不很對(duì)號(hào)。揚(yáng)州真空V法鑄造</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州真空V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.png"></div><p style="text-indent:25px">覆膜架帶動(dòng)EVA薄膜下降過程中與空氣產(chǎn)生的對(duì)流運(yùn)動(dòng)必然形成對(duì)整張薄膜的浮力，進(jìn)而造成薄膜的向上運(yùn)動(dòng)，并使薄膜自身產(chǎn)生一定的張力，即薄膜內(nèi)部區(qū)域?qū)ν獠繀^(qū)域的拉力作用（見圖1）。根據(jù)空氣動(dòng)力學(xué)原理，對(duì)流速度越快，也就是覆膜架下降的速度越快，這種浮力越大，整張薄膜向上浮動(dòng)的速度也就越大，同時(shí)，對(duì)薄膜的拉伸作用也越明顯。這種浮力不但會(huì)使EVA薄膜容易上浮并接觸到紅熱的電熱絲或者電熱管燙破，也有可能使熱態(tài)強(qiáng)度很低的薄膜在拉力作用下直接拉裂；采用數(shù)學(xué)模型去定量的給出覆膜框下行速度的參考值是很困難的，因?yàn)槿嵝詷O強(qiáng)的薄膜在覆膜框帶動(dòng)下運(yùn)動(dòng)的受力狀態(tài)極其復(fù)雜，直接的生產(chǎn)調(diào)試控制速度過快是比較現(xiàn)實(shí)的辦法。值得注意的是，覆膜架下行過程中加速度太大會(huì)造成EVA薄膜強(qiáng)烈顫動(dòng)，這往往源于氣動(dòng)控制裝置穩(wěn)定性太差、速度變化過分強(qiáng)烈。這種不必要的震蕩對(duì)于熱態(tài)下強(qiáng)度很低的薄膜也是非常危險(xiǎn)的。圖2為某生產(chǎn)現(xiàn)場(chǎng)因?yàn)楦材た蛘鹗幵斐蒃VA薄膜破裂的現(xiàn)象。揚(yáng)州質(zhì)量V法鑄造優(yōu)點(diǎn)再生的舊砂成套設(shè)備應(yīng)包括落砂，輸送、分選、過篩及砂冷卻系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州真空V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> 自主創(chuàng)新、擁有自主知識(shí)產(chǎn)權(quán)的大型V法造型線 </p> <p> 國(guó)內(nèi)生產(chǎn)大型V法造型線的公司，其中有江陰華天科技開發(fā)有限公司。該公司研制成功國(guó)內(nèi)首條自主創(chuàng)新、擁有自主知識(shí)產(chǎn)權(quán)的大型V法造型線，標(biāo)志著V法鑄造生產(chǎn)線依賴進(jìn)口的歷史結(jié)束。 </p> <p> 法鑄造**模具企業(yè)采用CAD/CAM技術(shù) </p> <p> 干燥良好的無缺點(diǎn)木材是V法鑄造常用模具材料。金屬材料價(jià)格昂貴，而且鉆孔較困難，并不太適合用于V法模具。另外暴露于薄膜加熱器下的金屬模具受重復(fù)加熱作用，溫度上升后易粘薄膜。因此V法鑄造企業(yè)長(zhǎng)期采用木質(zhì)材料制模，而其大多是靠模型工放樣半機(jī)械化制作。其尺寸精度較差和生產(chǎn)周期較長(zhǎng)一直是V法鑄造的瓶頸。 </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(huì)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(shí)V法鑄造抽真空的特點(diǎn)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(qiáng)度和順暢的通氣性，利用定位銷或砂胎等使模樣定位要準(zhǔn)確。正確選擇真空泵以及合理的真空系統(tǒng)是保證V法鑄型穩(wěn)定負(fù)壓度的前提。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州真空V法鑄造,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.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(duì)熱量不敏感，燃燒時(shí)發(fā)氣量小，不產(chǎn)生有害氣體，質(zhì)優(yōu)價(jià)廉。筆者采用EVA薄膜作為V法鑄造塑料簿膜。覆膜成型時(shí)，簿膜置于加熱器下150～200mm,加熱溫度為80～120℃，加熱時(shí)間一般為20～50s。簿膜加熱至鏡面狀時(shí)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(duì)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。對(duì)于V法鑄造企業(yè)，結(jié)合企業(yè)生產(chǎn)和產(chǎn)品特點(diǎn)、V法鑄造特性及其主輔材料的功用。南京先進(jìn)V法鑄造裝備</p><p style="text-indent:25px">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。揚(yáng)州真空V法鑄造</p><p> 國(guó)內(nèi)耐磨鑄件生產(chǎn)企業(yè)對(duì)于V法鑄造工藝的理解、認(rèn)識(shí)及深層次的研究有限，對(duì)V法鑄造工藝的引入和采用相對(duì)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(duì)裝備系統(tǒng)進(jìn)行必要充足認(rèn)識(shí)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(guó)國(guó)內(nèi)耐磨鑄件市場(chǎng)龐大，生產(chǎn)企業(yè)多，無序競(jìng)爭(zhēng)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(guó)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。揚(yáng)州真空V法鑄造</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(hào)，是一家環(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)。的公司。江陰華天科技作為環(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)。的企業(yè)之一，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。江陰華天科技致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。江陰華天科技創(chuàng)始人謝田，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1974986.html</p></div></div></div></div></div><div id="dx28mov" class="page-right twoColRt"><div id="cm2v8vs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7hjl2m3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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