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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>南通真空V法鑄造生產(chǎn)線,V法鑄造</p><p><span>***更新：</span>2020-08-18 07:19:37</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="iymkagw" 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="wusiomk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="880amkq" class="box"><p><p> V法具有與傳統(tǒng)砂型鑄造無法比擬的優(yōu)勢，其具體表現(xiàn)在以下七個方面： </p> <p> 造型易起模，模具少無磨損，金屬模具壽命長，模具可用木質(zhì)材料； </p> <p> 鑄件尺寸精度高，輪廓清晰，鑄鐵件粗糙度值達(dá)Ra18—25μm。叉車鑄鐵配重是V法鑄造產(chǎn)品的典型**。安徽合力叉車集團合肥鑄鍛廠生產(chǎn)的叉車配重，南通真空V法鑄造生產(chǎn)線，曾獲2002年第四屆北京國際鑄造工業(yè)展覽會鑄件一等獎。世界上叉車和其他工程車所需配重和平衡塊幾乎都是V法鑄造生產(chǎn)的；(3) V法干砂保溫效果和真空抽吸作用都能提高金屬液的流動性。試驗表明：V法鑄造和濕型鑄造相比，金屬液流動性可提高27％。因此V法鑄造不僅能生產(chǎn)厚壁鑄件，也能生產(chǎn)薄壁鑄件。如南京東陶（TOTO）有限公司引進日本新東鑄造生產(chǎn)線，生產(chǎn)***鑄鐵浴缸，比較大浴缸尺寸為1829mm×1067mm×650mm，鑄件重達(dá)180kg，壁厚7mm，南通真空V法鑄造生產(chǎn)線，南通真空V法鑄造生產(chǎn)線，如圖2所示。圖3 天津英昌鋼琴鑄件有限公司生產(chǎn)的鋼琴鑄鐵弦架也是V法鑄造薄壁件的典型產(chǎn)品。穩(wěn)壓除塵濾氣罐。穩(wěn)壓罐主要作用是穩(wěn)定真空系統(tǒng)壓力，緩沖系統(tǒng)壓力波動對造型、澆注的影響。南通真空V法鑄造生產(chǎn)線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通真空V法鑄造生產(chǎn)線,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889677343750/6918240.png"></div><p> 與傳統(tǒng)濕型相比，V法砂型少無型壁移動，其硬度可達(dá)90—95，由于干砂保溫時間長，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為我國天瑞集團鑄造有限公司V法鑄造的鐵道機車鑄鋼側(cè)架。 </p> <p> V法砂型處于真空，不含水份，保溫性能好，很適合生產(chǎn)小批量少無內(nèi)腔的鋁合金鑄件。日本曾采用大型V法造型機和超大砂箱（7000 mm×4000mm×1000/800mm）生產(chǎn)出鑄鋁游艇殼體（見圖6）。烏克蘭、荷蘭和美國等數(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。無錫負(fù)壓V法鑄造工藝鋁合金多采用開放式澆注系統(tǒng)F直∶F橫∶F內(nèi)＝1∶(2～3)∶(1～5)，**小截面積比砂型鑄造大20～30%；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通真空V法鑄造生產(chǎn)線,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png"></div><p> 關(guān)于V法鑄造工藝優(yōu)勢的討論國外典型耐磨鑄件生產(chǎn)企業(yè)實踐證明V法鑄造工藝在耐磨鑄件的生產(chǎn)上是成功的，也是有優(yōu)勢的。具體優(yōu)勢如下： </p> <p> 1產(chǎn)品質(zhì)量方面 </p> <p> V法鑄造鑄件表面質(zhì)量好，光潔度高；產(chǎn)品尺寸精度高，尤其是中大型鑄件批量化生產(chǎn)條件下的尺寸穩(wěn)定性更具優(yōu)勢；產(chǎn)品輪廓清晰，可實現(xiàn)少無拔模斜度；鋼水流動性好，可實現(xiàn)低溫度澆注，作為提高鑄件晶粒度等級，提高耐磨性的潛在手段之一； </p> <p> 2生產(chǎn)管理方面 </p> <p> V法鑄造工藝的成本更低，單位鑄件重量能耗和輔材消耗低，勞動強度低；采用干砂造型無需混砂等過程，設(shè)備投資少，砂處理簡單，舊砂回用率較高，不存在廢砂廢水等污染情況；模具磨損小，壽命高；高自動化程度生產(chǎn)線生產(chǎn)效率高，人均產(chǎn)量高； </p><p> 4．加砂造型并震實 </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）起膜時要掌握行車，砂箱要平起，盡量避免錯位，錯位要及時修復(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）合箱時要平起平落，不得與芯子相撞。金屬液平穩(wěn)充型，避免沖刷鑄型或產(chǎn)生飛濺，一般采用底注半封閉式或開放式澆注系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通真空V法鑄造生產(chǎn)線,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889462666016/4862105.png"></div><p> V法工藝是70年代初發(fā)明的一種新的鑄造工藝方法，近幾年在我國應(yīng)用發(fā)展的很快，已從鑄造叉車配重、浴盆等鑄鐵鑄件發(fā)展到鑄鋼、鑄銅、鑄鋁加工件。但是一些形狀比較復(fù)雜的鑄件給覆膜帶來困難，有的需配多件砂芯。影響了造型效率，增加成本，使V法鑄造工藝的推廣應(yīng)用受到限制。 </p> <p> 我們是推廣應(yīng)用V法鑄造工藝和消失模鑄造工藝的企業(yè)。我們在推廣過程中發(fā)現(xiàn)，將兩種工藝結(jié)合在一起，取長補短，可以簡化覆膜，提高覆膜質(zhì)量，提高鑄件質(zhì)量，減薄EVA薄膜厚度，減少砂芯用量，提高造型效率，降低V法鑄造成本，效果明顯。我們在應(yīng)用上進行一些探討，試用，取得了明顯的效果。我們將這一工藝叫做《消失模鑄造工藝嫁接到V法鑄造工藝的新方法》供同行們參考，共同開發(fā)這一工藝。對于V法鑄造企業(yè)，結(jié)合企業(yè)生產(chǎn)和產(chǎn)品特點、V法鑄造特性及其主輔材料的功用。無錫負(fù)壓V法鑄造工藝</p><p style="text-indent:25px">合理的鑄造工藝方案是保證覆膜成型和鑄件質(zhì)量的一個重要因素。南通真空V法鑄造生產(chǎn)線</p><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。南通真空V法鑄造生產(chǎn)線</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司屬于機械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。是一家私營有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進，追求新型，在強化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時，優(yōu)良的質(zhì)量、合理的價格、完善的服務(wù)，在業(yè)界受到***好評。公司業(yè)務(wù)涵蓋[ "氣力輸送", "V法鑄造", "輸送機械", "環(huán)保設(shè)備" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。江陰華天科技以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/953800.html</p></div></div></div></div></div><div id="80okayu" class="page-right twoColRt"><div id="8g088mu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eu0miyo" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="o28kiwk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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