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href="http://www.cdcfah.com/cp/second-jxjxysb_zzjrclsbfg/">鑄造及熱處理設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設(shè)備</a>?無(wú)錫負(fù)壓V法鑄造廠服務(wù)至上江陰華天科技供應(yīng)</p><div id="tsp4q9p" class="leftbox clearfix"><h1>無(wú)錫負(fù)壓V法鑄造廠服務(wù)至上江陰華天科技供應(yīng)</h1><div id="t8n3qkw" class="proBig"><div id="3eaurtf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z3jtah7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ajlfcjl" 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)錫負(fù)壓V法鑄造廠,V法鑄造</p><p><span>***更新：</span>2020-08-19 12:17:21</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="la2rwov" 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="8tlifmj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rg92eof" class="box"><p><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(jiǎn)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(shì)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(jiǎn)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(zhǎng)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，無(wú)錫負(fù)壓V法鑄造廠。V法鑄造至今經(jīng)過(guò)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，無(wú)錫負(fù)壓V法鑄造廠，在世界上尤其是在中國(guó)獲得了長(zhǎng)足的發(fā)展，無(wú)錫負(fù)壓V法鑄造廠。降低咯鑄型的透氣性，較粗的型砂，可提高鑄型的透氣性。無(wú)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(wú)錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png"></div><p> V法鑄造工藝裝備對(duì)鑄件質(zhì)量的影響 </p> <p> V法鑄造引入我國(guó)至今已有30多年的發(fā)展，而V法鑄造裝備則經(jīng)歷了從無(wú)到有以及由對(duì)外引進(jìn)仿制，到自主研發(fā)設(shè)計(jì)的過(guò)程。V法鑄造裝備質(zhì)量水平的提升，也進(jìn)一步保障并促進(jìn)了V法鑄造工藝的拓展。據(jù)不完全統(tǒng)計(jì)，目前國(guó)內(nèi)約有400多條形式各異的V法鑄造生產(chǎn)線在運(yùn)行，既有極其簡(jiǎn)易甚至不配套砂處理的單機(jī)造型設(shè)備，也有比較常見(jiàn)且配置相對(duì)***的半自動(dòng)鑄造生產(chǎn)線，更有機(jī)械化，自動(dòng)化程度較高，投資規(guī)模龐大的現(xiàn)代化V法鑄造車間。但是根據(jù)大量的調(diào)研與實(shí)踐，發(fā)現(xiàn)部分設(shè)備和工裝難以滿足鑄件產(chǎn)品的生產(chǎn)工藝要求，致使生產(chǎn)受阻或產(chǎn)品質(zhì)量難以保證。尤其是造型過(guò)程中覆膜成形，加砂震實(shí)，抽真空起模工序，相應(yīng)設(shè)備工裝的特點(diǎn)明顯影響著鑄型和鑄件質(zhì)量。無(wú)錫專業(yè)V法鑄造設(shè)備2008年時(shí)我國(guó)鑄鐵件廠產(chǎn)量達(dá)2510萬(wàn)噸，其中按短流程工藝生產(chǎn)的鑄件約占11.3%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889895390625/1638242.png"></div><p> 覆膜架設(shè)計(jì)對(duì)覆膜成形的影響 </p> <p> 烤膜覆膜作為V法鑄造的第一步，直接影響著整個(gè)造型的質(zhì)量和效率。EVA薄膜只有在加熱烘烤到一定程度的時(shí)候，其延伸性也就是通常所說(shuō)的覆膜成形性能才能達(dá)到比較好狀態(tài)。然而，從烘烤結(jié)束到薄膜下降至模具的過(guò)程中，EVA薄膜由于逐漸遠(yuǎn)離熱源，會(huì)很快冷卻，脫離比較好覆膜狀態(tài)。這就要求覆膜架在極短的時(shí)間內(nèi)，完成覆膜動(dòng)作。大量的工藝實(shí)踐表明，覆膜架在5s內(nèi)下行到位是**為合適的，時(shí)間越長(zhǎng)，對(duì)薄膜原有的熱態(tài)延伸性削減越大。一個(gè)簡(jiǎn)單的公式：t=s/v；（t—覆膜框行走時(shí)間；s—覆膜框行程，即EVA薄膜加熱位置與模具臺(tái)面的距離；v—覆膜框下降的平均速度）顯然，覆膜框行程和下降的速度直接影響著行走時(shí)間，也就影響著覆膜成形的質(zhì)量。 </p><p style="text-indent:25px">對(duì)于一些多筋板或具有相當(dāng)高垂直面的鑄件而言，這種擦傷鑄型的現(xiàn)象尤為普遍。而個(gè)別自動(dòng)化程度很高的機(jī)械手，運(yùn)轉(zhuǎn)穩(wěn)定性差，末端柔性不足，在運(yùn)轉(zhuǎn)過(guò)程中產(chǎn)生震蕩或者難以急停，甚至不能保證**起碼的定位及真空對(duì)接精度，直接影響鑄型在起模翻轉(zhuǎn)等過(guò)程中的安全性。隨著V法成套裝備生產(chǎn)線自動(dòng)化和機(jī)械化水平的提升，對(duì)起模機(jī)構(gòu)的使用要求越來(lái)越高。這就需要我們?cè)谶@些關(guān)鍵的造型設(shè)備方面，提高設(shè)計(jì)，制造，安裝的精度和可靠性，以充分保障造型質(zhì)量和鑄型安全。舊砂經(jīng)振動(dòng)輸送機(jī)、斗提機(jī)、振動(dòng)篩、水冷卻沸騰床等砂處理設(shè)備進(jìn)入料斗貯存。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫負(fù)壓V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> V法鑄造工藝流程 </p> <p> <span style="font-size:12px;">其流程如下。</span> </p> <p> 1．加熱薄膜并覆膜 </p> <p> (1)薄膜材質(zhì)EVA。 </p> <p> (2)薄膜厚度0.15mm。 </p> <p> (3)加熱溫度80~120℃。 </p> <p> (4)吸氣壓強(qiáng)：26.7~53.4kPa。 </p> <p> 2．放置澆注系統(tǒng)并加冒口 </p> <p> (1)直澆道為進(jìn)口陶管，用膠帶粘到模樣上并密封。 </p> <p> (2)冒口為木頭，用塑料包好并用膠帶纏到模樣上密封好。 </p> <p> (3)澆道和冒口都要密封好，已放置漏氣不能很好覆膜。 </p> <p> (4)澆道和冒口與模樣的連接處用刀子切口，便于后期澆注是排氣。 </p> <p> 3．噴涂料并等待涂料干燥 </p> <p> （1）涂料成分：重量比為50%的工業(yè)酒精與50%的滑石粉混合的懸濁液。 </p> <p> （2）噴漆厚度：0.04mm。 </p> <p> （3）使用要求：噴涂均勻，個(gè)別地方要補(bǔ)刷涂料；噴涂后要等待涂料烘干再放砂。模型及砂箱的使用壽命長(zhǎng)，用塑料薄膜保護(hù)模型，拔模力較小，不受高溫高壓的作用，模型不易變形和損壞。泰州負(fù)壓V法鑄造效果</p><p style="text-indent:25px">鑄型負(fù)壓度的控制。鑄型負(fù)壓度的控制包括真空度和抽氣速度控制，造型﹑澆注和冷卻期間。無(wú)錫負(fù)壓V法鑄造廠</p><p> 重視設(shè)備的定向研發(fā) </p> <p> 長(zhǎng)期以來(lái)，國(guó)內(nèi)V法鑄造生產(chǎn)線布局設(shè)計(jì)及關(guān)鍵技術(shù)的水平不高，砂箱等關(guān)鍵工裝設(shè)備結(jié)構(gòu)單一，難以滿足多種類產(chǎn)品的工藝生產(chǎn)要求。因此有必要在摸清楚V法鑄造耐磨鑄件工藝生產(chǎn)特點(diǎn)的基礎(chǔ)上，為實(shí)現(xiàn)工藝要求對(duì)設(shè)備進(jìn)行相應(yīng)的研發(fā)設(shè)計(jì)，配套不同類型的生產(chǎn)線形式以滿足不同企業(yè)的需求。以砂箱為例，砂箱結(jié)構(gòu)設(shè)計(jì)作為V法鑄造生產(chǎn)線的**內(nèi)容，是保障產(chǎn)品質(zhì)量的****裝備。在以往的生產(chǎn)經(jīng)驗(yàn)中，因?yàn)樯跋浣Y(jié)構(gòu)問(wèn)題引起的生產(chǎn)問(wèn)題層出不窮。對(duì)于V法鑄造生產(chǎn)耐磨鑄件，砂箱尺寸往往龐大；如何實(shí)現(xiàn)多品種鑄件的生產(chǎn)，在保障砂箱通用性的基礎(chǔ)上盡可能滿足冒口等工藝布置的要求，同時(shí)還便于生產(chǎn)組織管理和砂箱自身維護(hù)，都是砂箱設(shè)計(jì)需要重點(diǎn)關(guān)注的部分。除此之外，真空系統(tǒng)的使用和控制，生產(chǎn)線布局形式的設(shè)計(jì)及生產(chǎn)節(jié)奏的安排都將是耐磨件V法鑄造生產(chǎn)所用裝備重點(diǎn)研究的部分。無(wú)錫負(fù)壓V法鑄造廠</p><p style="text-indent:25px">江陰華天科技開(kāi)發(fā)有限公司注冊(cè)資金700-1000萬(wàn)元，是一家擁有11~50人***員工的企業(yè)。江陰華天科技致力于為客戶提供質(zhì)量的[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]，一切以用戶需求為中心,深受廣大客戶的歡迎。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到700-1000萬(wàn)元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/967087.html</p></div></div></div></div></div><div id="3her37m" class="page-right twoColRt"><div id="zjjlnur" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zonzgip" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="uegdfco" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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