無(wú)錫V法鑄造裝備服務(wù)至上江陰華天科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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"><meta name="keywords" content="無(wú)錫V法鑄造裝備,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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d3x8cg8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f7zovh0" 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(wú)錫V法鑄造裝備,V法鑄造</p><p><span>***更新：</span>2020-09-08 15:07:12</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="83axkrl" 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="hyaxjga" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3qspbn8" class="box"><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(chē)鑄鋼側(cè)架。 </p> <p> V法砂型處于真空，不含水份，保溫性能好，無(wú)錫V法鑄造裝備，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，無(wú)錫V法鑄造裝備。當(dāng)負(fù)壓度小于0.038MPa時(shí)，無(wú)錫V法鑄造裝備，鑄型易發(fā)生脹箱、變形及塌砂。無(wú)錫V法鑄造裝備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889732578125/1173701.png"></div><p style="text-indent:25px">金屬軟管抽氣和管式抽氣式復(fù)合砂箱。在V法鑄造實(shí)踐中，針對(duì)以上2種砂箱存在的各種問(wèn)題，國(guó)內(nèi)多數(shù)廠家采用復(fù)合砂箱，其箱壁用10mm鋼板焊接，用金屬軟管抽氣。砂箱結(jié)構(gòu)簡(jiǎn)單，單層壁構(gòu)成，可制作尺寸較大的砂箱。為避免塌箱引起鑄型沉降和變形，設(shè)置較密箱帶。金屬管兩端與固定在砂箱上壁的真空接頭相連，抽氣時(shí)，通過(guò)軟管的各活動(dòng)節(jié)的縫隙來(lái)抽吸砂粒間的空氣，同時(shí)又能阻止細(xì)砂及粉塵被吸走。因軟管間隙較大易吸人砂粒和粉塵，真空管路系統(tǒng)必須配有濾砂和水浴裝置。無(wú)錫覆膜砂V法鑄造特點(diǎn)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889693593750/34083.png"></div><p> 多品種、中小批量生產(chǎn)工藝的設(shè)計(jì) </p> <p> 對(duì)于中小型鑄造企業(yè)，多為小批量多品種生產(chǎn)。為此，該類(lèi)型鑄造企業(yè)的V法鑄造生產(chǎn)線應(yīng)符合小批量多品種生產(chǎn)的需要，同時(shí)滿足某一產(chǎn)品中批生產(chǎn)的需要。有些中小企業(yè)的V法鑄造生產(chǎn)線采用上下模共線、多套模具順序移動(dòng)的設(shè)計(jì)，致使企業(yè)模具投入較大，因多套模具順序移動(dòng)單箱造型周期過(guò)長(zhǎng)，生產(chǎn)效率低下。 </p> <p> 在V法鑄造生產(chǎn)線符合小批量多品種生產(chǎn)的要求外，相應(yīng)的工藝設(shè)計(jì)也應(yīng)符合這一要求。工藝設(shè)計(jì)人員應(yīng)在生產(chǎn)線比較大鑄型輪廓的前提下進(jìn)行工藝設(shè)計(jì)。可以按照多件共型進(jìn)行工藝布局設(shè)計(jì);可以根據(jù)產(chǎn)品外型、結(jié)構(gòu)和規(guī)格大小進(jìn)行分類(lèi)，采用共用底板框和小底板組合的形式進(jìn)行多品種共型的工藝設(shè)計(jì)。通過(guò)多件共型達(dá)到提高生產(chǎn)效率之目的，通過(guò)共用底板框和小底板組合的形式實(shí)現(xiàn)多品種同時(shí)生產(chǎn)或輪番生產(chǎn)的目的，從而實(shí)現(xiàn)多品種中小批量生產(chǎn)的需求和效益。 </p><p> 20世紀(jì)7o年代末我國(guó)有十余家企業(yè)引進(jìn)了日本和德國(guó)V法鑄造設(shè)備和技術(shù)，提升了我國(guó)V法鑄造水平。據(jù)粗略統(tǒng)計(jì)，國(guó)內(nèi)現(xiàn)有v法鑄造企業(yè)近200家，主要分布在山西、江蘇、安徽、山東和河北等地。江陰華天科技開(kāi)發(fā)有限公司為青島四海電力鑄造廠設(shè)計(jì)一種固定式簡(jiǎn)易V法造型機(jī)，它是鋼結(jié)構(gòu)焊接而成，由底座支撐架、震實(shí)臺(tái)、負(fù)壓箱、頂箱機(jī)構(gòu)等組成，具有結(jié)構(gòu)新穎、外形美觀、運(yùn)行可靠的特點(diǎn)。震實(shí)臺(tái)由四組頂桿同步，將砂箱平穩(wěn)地與模型分離。頂箱機(jī)的控制設(shè)有就地電控箱，人工操作，便于掌握起模時(shí)間。這種V法造型機(jī)機(jī)構(gòu)簡(jiǎn)單，更換模板方便，人工操作與機(jī)械化造型相結(jié)合，投資少，上馬快，比較適合單件、小批量鑄造車(chē)間使用，生產(chǎn)中、小型V法鑄件。面有所突破。 </p> <p> <br /> 近年來(lái)，V法鑄造持續(xù)升溫。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫V法鑄造裝備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png"></div><p> V法鑄造工藝過(guò)程和特點(diǎn) </p> <p> 1 V法鑄造基本工藝過(guò)程 </p> <p> 制造帶有抽氣箱和抽氣孔模樣。 </p> <p> 烘烤薄膜并覆蓋到模樣上，抽負(fù)壓，使覆膜成形，后噴上快干涂料。 </p> <p> 將帶有過(guò)濾抽氣管的砂箱，放在已覆有薄膜的模板上。 </p> <p> 充填、振實(shí)、刮平箱內(nèi)干砂，放上密封膜，抽負(fù)壓，使鑄型內(nèi)外產(chǎn)生壓力差而緊實(shí)，。 </p> <p> 解除模樣內(nèi)真空，起模。鑄型保持負(fù)壓狀態(tài)，直到下芯，合箱，澆鑄。 </p> <p> 脫箱落砂。冷卻后，將砂箱內(nèi)的壓力恢復(fù)到常壓狀態(tài)，砂型自動(dòng)潰散，鑄件保溫后取出，砂冷卻后返回系統(tǒng)循環(huán)使用，將鑄件取走進(jìn)入清理工部完成工藝過(guò)程。 V法鑄造采用無(wú)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。南通真空V法鑄造原理</p><p style="text-indent:25px">負(fù)壓澆注，有利于金屬的補(bǔ)給，鑄件冒口可減小，鑄件表面光潔，尺寸精度高，加工余量減少。無(wú)錫V法鑄造裝備</p><p style="text-indent:25px">覆膜架帶動(dòng)EVA薄膜下降過(guò)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(jiàn)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(guò)快是比較現(xiàn)實(shí)的辦法。值得注意的是，覆膜架下行過(guò)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(guò)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。無(wú)錫V法鑄造裝備</p><p style="text-indent:25px">江陰華天科技開(kāi)發(fā)有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。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(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(xiāo)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(hù)提供良好的氣力輸送，V法鑄造，輸送機(jī)械，環(huán)保設(shè)備。江陰華天科技不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。江陰華天科技始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專(zhuān)注與執(zhí)著使江陰華天科技在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1206939.html</p></div></div></div></div></div><div id="ktfhzl0" class="page-right twoColRt"><div id="wfh8nfu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ycegnt4" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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