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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="r33fc4i" 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="w4m3vn3" 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>南通覆膜砂V法鑄造原理,V法鑄造</p><p><span>***更新：</span>2021-01-29 08:10:06</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ugsjv9b" 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="egsuwax" class="page-proshow02"><p class="title">詳細說明</p><div id="bqn8ewo" class="box"><p><p> V法鑄造工藝裝備對鑄件質(zhì)量的影響 </p> <p> V法鑄造引入我國至今已有30多年的發(fā)展，而V法鑄造裝備則經(jīng)歷了從無到有以及由對外引進仿制，到自主研發(fā)設(shè)計的過程。V法鑄造裝備質(zhì)量水平的提升，也進一步保障并促進了V法鑄造工藝的拓展。據(jù)不完全統(tǒng)計，目前國內(nèi)約有400多條形式各異的V法鑄造生產(chǎn)線在運行，既有極其簡易甚至不配套砂處理的單機造型設(shè)備，南通覆膜砂V法鑄造原理，也有比較常見且配置相對***的半自動鑄造生產(chǎn)線，更有機械化，自動化程度較高，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)研與實踐，南通覆膜砂V法鑄造原理，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。尤其是造型過程中覆膜成形，加砂震實，抽真空起模工序，相應(yīng)設(shè)備工裝的特點明顯影響著鑄型和鑄件質(zhì)量，南通覆膜砂V法鑄造原理。分析砂溫對砂處理設(shè)備設(shè)計和鑄件質(zhì)量控制的影響，從而科學(xué)和適宜地進行砂溫控制。南通覆膜砂V法鑄造原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通覆膜砂V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png"></div><p>?V法造型用砂箱除四壁要密封外，砂箱內(nèi)部必須裝設(shè)抽氣過濾裝置，如圖3.4所示。按抽氣方式V法砂箱可分為側(cè)面抽氣式、管式抽氣式及金屬軟管抽氣和管式抽氣式復(fù)合砂箱。<br></p><p>①側(cè)面抽氣式砂箱是用鋼板焊成的密封夾層，夾層之間形成連通的抽氣室，類似消失模用砂箱；<br></p><p>②管式抽氣砂箱。該結(jié)構(gòu)砂箱的端壁是用鋼板焊成的密封夾層，夾層的中空部分形成抽氣室，而側(cè)壁是實體的，抽氣孔為焊于兩端壁上與抽氣室連通的數(shù)根抽氣管（孔間距25 mm左右，孔徑8～10 mm），在鋼管外面包兩層120～150目的金屬網(wǎng)，以防止細紗及粉塵被吸入抽氣室。適用于面積大于1200×1200mm中大型砂箱。<br>南京覆膜砂V法鑄造設(shè)備廠再生的舊砂成套設(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="南通覆膜砂V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293890362187500/7879725.png"></div><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，一般取收縮率為0．2％～0．8％，拔模斜度在0～1°。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。?<br></p><p> 江陰華天科技開發(fā)有限公司專業(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)計制造、安裝調(diào)試。<br /> 公司自成立以來，為客戶提供了幾百套氣力輸送系統(tǒng)，一百多條V法鑄造，消失模生產(chǎn)線及大量單機設(shè)備。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)，贏得了廣大用戶的贊許和好評。 </p> <p> 公司秉承“激情、創(chuàng)新、專注、誠信、合作、共贏”的價值觀理念，致力于成為的鑄造行業(yè)領(lǐng)導(dǎo)企業(yè)。我公司全體員工竭誠歡迎廣大國內(nèi)外新老客戶和同仁蒞臨參觀指導(dǎo)，互惠互贏，共謀發(fā)展，共創(chuàng)輝煌！ V法鑄造采用無粘接劑的干砂造型，一般要求干砂為次棱角形或圓形，粒度鑄鋼件較大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通覆膜砂V法鑄造原理,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889813476563/989149.png"></div><p style="text-indent:25px">V法鑄造和消失模鑄造都采用真空成型，但兩者工藝流程存在較大不同，Vacuum process casting 因取英文Vacuum（真空）一詞的字頭“V”而得名。它區(qū)別于傳統(tǒng)砂鑄比較大的優(yōu)點是不使用粘合劑，V法鑄造是利用塑料薄膜密封砂箱，靠真空抽氣系統(tǒng)抽出型內(nèi)空氣，鑄型內(nèi)外有壓力差，使干砂密實，形成所需型腔，經(jīng)下芯、合箱、澆注抽真空使鑄件凝固，解除負壓，型砂隨之潰散而獲得鑄件。因其采用負壓澆注鑄件砂眼氣孔少、產(chǎn)品密實度高、表面光潔、輪廓清晰、尺寸準確；除塵濾氣罐采用介質(zhì)分離，抽吸進來的氣體與水混合。泰州覆膜砂V法鑄造工藝</p><p style="text-indent:25px">真空泵水環(huán)中的水溫度不能高于40℃，以便冷卻抽入的熱氣體。國內(nèi)一般選用2BE﹑SK及機械泵等。南通覆膜砂V法鑄造原理</p><p style="text-indent:25px">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。南通覆膜砂V法鑄造原理</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(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。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機械及行業(yè)設(shè)備良好品牌。江陰華天科技立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3064015.html</p></div></div></div></div></div><div id="kubnpoq" class="page-right twoColRt"><div id="h3lfb98" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t2o3eln" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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