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class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jgo8khn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jmv5nwj" 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(guān)鍵詞：</span>無錫專業(yè)V法鑄造價格,V法鑄造</p><p><span>***更新：</span>2020-12-10 09:13:44</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="wdl5wur" 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(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="bjr6p0c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ykoju80" class="box"><p><p>?V法鑄造的特點<br></p><p>V法鑄造因其獨特生產(chǎn)工藝，使得生產(chǎn)出來的鑄件表面光潔度和尺寸精度高，生產(chǎn)工序簡單，金屬利用率高，模具和砂箱壽命長，減少型芯數(shù)量使用，舊砂可基本回用，節(jié)約造型成本，少污染且勞動強度低，適用于鑄鐵﹑鑄鋼﹑非鐵合金等鑄件的單件小批量或機械自動化大批量得生產(chǎn)。然造型操作較復(fù)雜，從造型開始至終需抽真空，且受薄膜本質(zhì)的限制，須有樹脂砂型芯方能生產(chǎn)復(fù)雜鑄件V法鑄造所用的模樣（如圖3.1所示）在V法鑄造生產(chǎn)中占有非常重要的地位，其質(zhì)量的優(yōu)劣直接影響鑄件的質(zhì)量。目前V法鑄造所用模樣一般用木質(zhì)。V法鑄造要求模樣表面光潔﹑尺寸精度高，其工藝收縮率及拔模斜度要小于粘土砂、水玻璃砂、樹脂砂等其他鑄造工藝，無錫專業(yè)V法鑄造價格，一般取收縮率為0．2％～0．8％，拔模斜度在0～1°，無錫專業(yè)V法鑄造價格。V法造型的模樣不與型砂接觸(由薄膜和涂料隔開)，磨損和變形很小，使用壽命長，但模樣結(jié)構(gòu)設(shè)計要考慮V法的要求，無錫專業(yè)V法鑄造價格。?<br>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(yīng)爐供應(yīng)鐵液，年產(chǎn)鑄件達100多萬噸。無錫專業(yè)V法鑄造價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造價格,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png"></div><p> 四工位轉(zhuǎn)臺式V法造型機 </p> <p> 該機組主要由轉(zhuǎn)臺（帶氣動驅(qū)動和定位機構(gòu)）、負(fù)壓分配閥、自動覆膜機、震實臺、自動雨淋式加砂機構(gòu)及貯砂斗等組成。轉(zhuǎn)臺上安放4臺造型模樣，兩組上箱，兩組下箱，分別由負(fù)壓箱、型板、模樣組合。轉(zhuǎn)臺由氣缸驅(qū)動并有兩個氣動定位銷確保轉(zhuǎn)臺定位無誤，負(fù)壓分配閥可根據(jù)各工位的抽真空要求自動抽氣，自動覆膜，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。震實臺為平板式震實臺坐在四個空氣彈簧上，用振動電機激振，雨淋式加砂機構(gòu)由格子板、氣動插板閥控制加砂和關(guān)閉。整個動作程序由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；Ⅳ工位：蓋膜頂箱起模。如***工序為下箱時，則第二工序為上箱，上、下箱在平臺上合箱后，帶著真空負(fù)壓軟管一起吊運到澆注轉(zhuǎn)臺上。 </p> <p> 江陰華天科技開發(fā)有限公司為天津耐酸泵廠設(shè)計的四工位V法造型機屬于這種類型，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。無錫專業(yè)V法鑄造價格除塵濾氣罐采用介質(zhì)分離，抽吸進來的氣體與水混合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造價格,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p> 耐火涂料的使用在V法鑄造中起到至關(guān)重要的作用。涂料層的性能不*影響薄膜氣化氣體的遷移，而且與鑄件表面質(zhì)量密切相關(guān)。涂料載液一般選用乙醇、甲醇或異丙醇，綜合實踐一般選用乙醇含量大于95％的工業(yè)酒精，沸點為70℃，密度0．8g／cm，閃點12℃。V法鑄造用涂料應(yīng)具有以下基本要求： </p> <p> 不與塑料薄膜反應(yīng)，***無味； </p> <p> 具有好的懸浮性和強韌性，涂料層有高的透氣性及良好的抗機械滲透粘砂的能力； </p> <p> 較高耐火度，其中應(yīng)含有耐火度較高的礦物和耐火度相對較低、易燒結(jié)的組分，燒結(jié)形成剝離層，清理時易潰散； </p> <p> 要有較小的發(fā)氣量，良好的流動性和觸變性； </p> <p> 較高附著力，涂料能牢固的粘附在塑料薄膜上形成致密的涂層。 </p><p style="text-indent:25px">這就是因為局部氣體難以迅速逃逸造成局部砂型強度下降的結(jié)果。有人提出低負(fù)壓大流量的說法，明確顯示出負(fù)壓很低但是整個生產(chǎn)過程非常安全。其實這就是砂箱結(jié)構(gòu)布置合理的效果。抽氣面積越大，抽氣位置越均勻越合理，泄入氣體排出越快，真空及鑄型強度穩(wěn)定性越好，塌箱危險性也越低；另有觀點認(rèn)為，只要整個鑄型處在一個負(fù)壓場下，各點的強度應(yīng)該是一樣的。實則不然。實踐表明，同一個鑄型，各點的強度是有差異的。如對于一個*有四壁抽氣的砂箱來說，鑄型的強度往往由砂箱四周向中心逐漸減弱的趨勢，而砂箱輪廓越大，這種趨勢越明顯。實際生產(chǎn)中，一般依據(jù)真空罐上的真空表及砂箱外管道上的真空表反映的負(fù)壓度來調(diào)節(jié)生產(chǎn)時的負(fù)壓度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫專業(yè)V法鑄造價格,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png"></div><p> 重視系統(tǒng)化工程的設(shè)計 </p> <p> 耐磨鑄造車間的建設(shè)是一個系統(tǒng)工程，除了生產(chǎn)設(shè)備本身外，車間布局物流設(shè)計，原輔材料的配套，熱處理系統(tǒng)的配套，機加工設(shè)備的配套等都要作為系統(tǒng)的一部分考慮。 </p> <p> 以砂箱的周轉(zhuǎn)為例，耐磨鑄件由于保溫冷卻時間長，在一定程度上限制了砂箱的流轉(zhuǎn)速度，企業(yè)訂購大量砂箱不***增加了企業(yè)成本，而且造成管理使用上的困難。可通過采用建設(shè)冷卻立體庫，設(shè)計冷卻托盤的方式加快砂箱流轉(zhuǎn)，同時節(jié)約生產(chǎn)場地。標(biāo)準(zhǔn)化托盤的設(shè)計和制作，滿足叉車運輸條件，并不額外增加過多的勞動力，實現(xiàn)了工藝生產(chǎn)的要求，降低了設(shè)備投資成本，同時提高的系統(tǒng)運行效率。模型及砂箱的使用壽命長，用塑料薄膜保護模型，拔模力較小，不受高溫高壓的作用，模型不易變形和損壞。泰州真空密封V法鑄造流程</p><p style="text-indent:25px">鑄型都必須保持一定的真空度以固定松散的干砂，確保鑄型有足夠的強度和剛度澆注時防止鑄型坍塌和鑄件變形。無錫專業(yè)V法鑄造價格</p><p> V法鑄造工藝過程和特點 </p> <p> 1 V法鑄造基本工藝過程 </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> 將帶有過濾抽氣管的砂箱，放在已覆有薄膜的模板上。 </p> <p> 充填、振實、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，。 </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，將鑄件取走進入清理工部完成工藝過程。無錫專業(yè)V法鑄造價格</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司位于月城鎮(zhèn)月翔路17號。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下氣力輸送，V法鑄造，輸送機械，環(huán)保設(shè)備深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設(shè)備行業(yè)的發(fā)展。江陰華天科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2346300.html</p></div></div></div></div></div><div id="5b3cxw5" class="page-right twoColRt"><div id="jb0ktjn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="58vpn38" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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