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href="http://www.cdcfah.com/cp/third-zzjrclsbfg_zzsbev/">鑄造設(shè)備</a>?無錫專業(yè)V法鑄造介紹歡迎咨詢江陰華天科技供應(yīng)</p><div id="icjlnzg" class="leftbox clearfix"><h1>無錫專業(yè)V法鑄造介紹歡迎咨詢江陰華天科技供應(yīng)</h1><div id="nh8dvx2" class="proBig"><div id="mqco3xj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ihoqpla" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dcu7naw" 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>無錫專業(yè)V法鑄造介紹,V法鑄造</p><p><span>***更新：</span>2020-08-21 14:20:23</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="7ovs2ac" 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="aj8ahjw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7rtazar" class="box"><p><p> 首先，模樣作成空心，無錫專業(yè)V法鑄造介紹，表面開設(shè)抽氣孔（抽氣孔直徑一般為0.5～2，無錫專業(yè)V法鑄造介紹.5 mm），形成抽氣室，模樣盡量避免尖銳的棱角，無錫專業(yè)V法鑄造介紹，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)減小； </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。鑄件質(zhì)量好，尺寸精度高，輪廓清晰不易產(chǎn)生氣孔等缺點(diǎn)，可與精密鑄件媲美。無錫專業(yè)V法鑄造介紹</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png"></div><p> 4．加砂造型并震實(shí) </p> <p> （1）砂子成分：以120～140目海細(xì)沙為宜。 </p> <p> （2）加砂方式：先將少量砂子加到模樣上，壓住薄膜，以保證薄膜不起皺。 </p> <p> （3）砂子處理：用過的砂子要經(jīng)過除塵和冷卻方能使用。 </p> <p> 5．起膜并放置型芯 </p> <p> （1）起膜時(shí)要掌握行車，砂箱要平起，盡量避免錯(cuò)位，錯(cuò)位要及時(shí)修復(fù)。 </p> <p> （2）型芯為樹脂砂制作，表面涂油V法涂料。樹脂砂型芯較硬，能保證不粘砂和鑄件的完整。 </p> <p> （3）型芯的位置和尺寸要正確配合型腔 </p> <p> （4）型腔內(nèi)的砂子用真空吸管抽走。 </p> <p> 6．修整型腔并合箱 </p> <p> （1）型腔的拐角、凸緣要補(bǔ)刷涂料以保證能夠鑄出完整。 </p> <p> （2）上線箱體之間放泥條來保證箱體之間的密封。 </p> <p> （3）合箱時(shí)要平起平落，不得與芯子相撞。無錫真空密封V法鑄造設(shè)備廠近國(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)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png"></div><p> 四工位轉(zhuǎn)臺(tái)式V法造型機(jī) </p> <p> 該機(jī)組主要由轉(zhuǎn)臺(tái)（帶氣動(dòng)驅(qū)動(dòng)和定位機(jī)構(gòu)）、負(fù)壓分配閥、自動(dòng)覆膜機(jī)、震實(shí)臺(tái)、自動(dòng)雨淋式加砂機(jī)構(gòu)及貯砂斗等組成。轉(zhuǎn)臺(tái)上安放4臺(tái)造型模樣，兩組上箱，兩組下箱，分別由負(fù)壓箱、型板、模樣組合。轉(zhuǎn)臺(tái)由氣缸驅(qū)動(dòng)并有兩個(gè)氣動(dòng)定位銷確保轉(zhuǎn)臺(tái)定位無誤，負(fù)壓分配閥可根據(jù)各工位的抽真空要求自動(dòng)抽氣，自動(dòng)覆膜，是將成卷的薄膜放在托架上完成吸膜、輸送、烘烤、薄膜切斷、起箱覆膜功能。震實(shí)臺(tái)為平板式震實(shí)臺(tái)坐在四個(gè)空氣彈簧上，用振動(dòng)電機(jī)激振，雨淋式加砂機(jī)構(gòu)由格子板、氣動(dòng)插板閥控制加砂和關(guān)閉。整個(gè)動(dòng)作程序由PLC程序控制。 </p> <p> 操作程序：Ⅰ工位：覆膜；Ⅱ工位：噴（刷）涂料，放砂箱；Ⅲ工位：加砂震實(shí)；Ⅳ工位：蓋膜頂箱起模。如***工序?yàn)橄孪鋾r(shí)，則第二工序?yàn)樯舷?，上、下箱在平臺(tái)上合箱后，帶著真空負(fù)壓軟管一起吊運(yùn)到澆注轉(zhuǎn)臺(tái)上。 </p> <p> 江陰華天科技開發(fā)有限公司為天津耐酸泵廠設(shè)計(jì)的四工位V法造型機(jī)屬于這種類型，主要生產(chǎn)耐酸泵葉輪等不銹鋼鑄件。年產(chǎn)量600～1000t/年，砂箱內(nèi)尺寸1000×630×150/150mm，比較大砂箱尺寸1000×800×150/150mm，造型生產(chǎn)率10～15型/h。 </p><p> V法鑄造工藝設(shè)計(jì)簡(jiǎn)介 </p> <p> 對(duì)于V法鑄造工藝的設(shè)計(jì)，不是只完成單個(gè)鑄件的工藝設(shè)計(jì)，應(yīng)該是先完成單個(gè)鑄件的澆冒口系統(tǒng)、砂芯設(shè)計(jì)、透氣設(shè)計(jì)、冷鐵等的設(shè)計(jì)，然后，根據(jù)工廠現(xiàn)有V法裝備的實(shí)際和生產(chǎn)效率等進(jìn)行模具的工藝布置設(shè)計(jì)，合理布置，重新進(jìn)行澆注系統(tǒng)的優(yōu)化設(shè)計(jì)。之后進(jìn)行模型體和型板上的抽氣塞設(shè)計(jì)(大小、位置、間距等設(shè)計(jì))，抽氣塞的設(shè)計(jì)必須自行進(jìn)行，不能交由模具設(shè)計(jì)和制作單位進(jìn)行，抽氣塞設(shè)計(jì)是否合理對(duì)后續(xù)生產(chǎn)中的覆膜效果影響很大，同時(shí)影響生產(chǎn)中抽氣塞破損、堵塞后的更換。上述工作完成之后開始進(jìn)行砂箱的設(shè)計(jì)工作，抽氣布局要合理，尤其是澆口和冒口附近，由于薄膜氣化和涂層受熱嚴(yán)重，真空泄漏較多，應(yīng)在該部位增大真空抽氣量，保證該部位的負(fù)壓滿足實(shí)際需要。在進(jìn)行砂箱設(shè)計(jì)時(shí)，不能只考慮真空度是否滿足，砂箱的負(fù)壓室容積必須保證足夠的抽氣量，否則，即便是真空度足夠，抽氣量不足同樣造成鑄型緊實(shí)率不足、砂型硬度不夠，澆注過程中甚至?xí)纱水a(chǎn)生砂型垮塌。根據(jù)涂料不同骨料組配的特性，合理地選擇V法鑄造用型砂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造介紹,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.png"></div><p> 耐磨鑄件是采礦、冶金、建材、電力、石化、機(jī)械、交通等重要工業(yè)領(lǐng)域的消耗品，在工業(yè)生產(chǎn)中占有重要地位。據(jù)不完全統(tǒng)計(jì), 國(guó)內(nèi)年消耗量超過200 萬t , 目前已有近千家耐磨鑄件生產(chǎn)企業(yè), 年生產(chǎn)能力達(dá)到500 萬噸以上，鑄造工藝多種多樣。 </p> <p> 耐磨鑄件工藝現(xiàn)狀 </p> <p> 目前，耐磨鑄件普遍采用水玻璃砂，堿酚醛樹脂砂鑄造工藝，也有部分采用消失模鑄造工藝。這些工藝靈活穩(wěn)定，工藝成熟度較相對(duì)較高，能夠?qū)崿F(xiàn)穩(wěn)定批量化生產(chǎn)，是耐磨鑄件生產(chǎn)的傳統(tǒng)工藝。但尤其是水玻璃砂、樹脂砂工藝同時(shí)存在著勞動(dòng)強(qiáng)度大，人均生產(chǎn)效率低的弊端，在環(huán)保問題日益嚴(yán)峻、勞動(dòng)力成本越來越高的***，傳統(tǒng)工藝面臨著較大的壓力。 </p> <p> 結(jié)合產(chǎn)業(yè)升級(jí)的趨勢(shì)，國(guó)內(nèi)部分企業(yè)探索V法鑄造工藝生產(chǎn)耐磨鑄件，產(chǎn)品類型以軋臼壁、破碎壁、齒板、錘頭等中大型鑄件為主，所生產(chǎn)的鑄件具有表面質(zhì)量好，尺寸精度高的優(yōu)勢(shì)，同時(shí)造型落砂等工序勞動(dòng)強(qiáng)度低，具有相對(duì)比較好的環(huán)保優(yōu)勢(shì)。但澆注時(shí)負(fù)壓度的變化大，澆注瞬間，負(fù)壓度下降快，澆注完畢后鑄型能恢復(fù)并保持較高的負(fù)壓度。無錫先進(jìn)V法鑄造特點(diǎn)</p><p style="text-indent:25px">V法鑄造型腔透氣性差，需要開設(shè)通氣孔，通氣孔的截面積與澆注系統(tǒng)的**小截面積比例控制在（1～5）∶1；無錫專業(yè)V法鑄造介紹</p><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。無錫專業(yè)V法鑄造介紹</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，創(chuàng)立于2006-09-27。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]深受客戶的喜愛。公司秉持誠信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備質(zhì)量品牌。在社會(huì)各界的鼎力支持下，經(jīng)過公司所有人員的努力，公司自2006-09-27成立以來，年?duì)I業(yè)額達(dá)到700-1000萬元。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/992337.html</p></div></div></div></div></div><div id="tifroa8" class="page-right twoColRt"><div id="cgivxeg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="c2q3lbd" 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="oqxpbsk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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