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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d5p33n5" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pljzv5z" 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V法鑄造設(shè)備廠,V法鑄造</p><p><span>***更新：</span>2020-11-16 05:15:02</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="55n3fd3" 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</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="zd53txd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lz3hvjf" class="box"><p><p> V法鑄造投資少，砂處理系統(tǒng)較為簡單，運(yùn)行能耗少。 </p> <p> 與其他砂型鑄造相比，V法鑄造環(huán)境友好，生產(chǎn)現(xiàn)場噪音低，無錫V法鑄造設(shè)備廠，鑄件拋丸清理量減少50%以上，勞動(dòng)力減少35%以上。澆注時(shí)，薄膜，無錫V法鑄造設(shè)備廠、涂料和樹脂砂芯產(chǎn)生的煙氣都被真空系統(tǒng)抽走，經(jīng)過干濕過濾后排空，對大氣污染少；V法固體廢棄物少，干砂再生高達(dá)95％。符合節(jié)能減排的高要求。 </p> <p> V法優(yōu)勢鮮明，其弊端也很突出： </p> <p> 受到薄膜延伸性能的局限，無錫V法鑄造設(shè)備廠，V法鑄造不適宜生產(chǎn)外形復(fù)雜鑄件； </p> <p> V法制芯技術(shù)還不成熟，采用樹脂砂芯或水玻璃砂芯才能鑄造內(nèi)腔復(fù)雜鑄件； </p> <p> 真空系統(tǒng)需隨時(shí)與砂型相連； </p> <p> V法鑄造不適合生產(chǎn)小型鑄件，生產(chǎn)效率難以提高； </p> <p> V法鑄鋼易出現(xiàn)氣孔和夾渣等鑄造缺點(diǎn)，尤其低碳鋼件有較嚴(yán)重的增碳。固定式冷卻沸騰床采用水循環(huán)冷卻，水泵將冷水輸送至沸騰床內(nèi)冷卻水管中與熱砂充分地?zé)峤粨Q達(dá)到冷卻目的。無錫V法鑄造設(shè)備廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889742021485/560378.png"></div><p> 隨著V法鑄造向復(fù)雜結(jié)構(gòu)鑄件的延伸和拓展，原有的一維震實(shí)臺顯然已經(jīng)難以保障橫向縱深部位的填充緊實(shí)（見圖5），必須采用更為可靠的三維震實(shí)臺。但是部分企業(yè)始終意識不到這個(gè)問題，而因?yàn)檫@個(gè)問題而出現(xiàn)的粘砂或者尺寸失準(zhǔn)問題比比皆是。 </p> <p> <p> 起模機(jī)構(gòu)對鑄型質(zhì)量的影響 </p> <p> V法造型過程中，EVA薄膜與模具之間有一定的粘附力存在。再加上砂型的擠壓作用，使得起模過程中薄膜與模具之間存在明顯的摩擦。在提倡V法鑄造工藝少無拔模斜度的要求下，無疑對起模機(jī)構(gòu)的平穩(wěn)性有較為嚴(yán)格的要求。 </p> </p> <p> <br /> 南京專業(yè)V法鑄造裝備當(dāng)負(fù)壓度小于0.038MPa時(shí)，鑄型易發(fā)生脹箱、變形及塌砂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889636621094/6553892.png"></div><p> 與傳統(tǒng)濕型相比，V法砂型少無型壁移動(dòng)，其硬度可達(dá)90—95，由于干砂保溫時(shí)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(tuán)鑄造有限公司V法鑄造的鐵道機(jī)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(jī)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。 </p><p> <br /> </p> <p> 電動(dòng)臺車穿梭式V法鑄造生產(chǎn)線 </p> <p> 江陰華天科技開發(fā)有限公司受用戶的委托設(shè)計(jì)并制造了一條汽車后橋半自動(dòng)V法鑄造生產(chǎn)線。該生產(chǎn)線。 </p> <p> 本生產(chǎn)線采用4臺移動(dòng)單機(jī)造型機(jī)組成的2臺V法造型機(jī)組，每臺機(jī)組的上、下箱分別在兩臺V法造型單機(jī)上完成。鑄型成形后用吊車將鑄型吊至合箱小車上進(jìn)行修型、下芯、合箱，放置澆冒口杯，整體移至澆注工段進(jìn)行澆注，冷卻凝固后鑄型連同型板吊至落砂格子板上落砂，舊砂經(jīng)砂冷卻后回用。 </p> <p> 汽車后橋材質(zhì)是鑄鋼；設(shè)計(jì)生產(chǎn)能力為10000t，實(shí)際生產(chǎn)能力為12000t；比較大鑄件質(zhì)量280kg；鑄型砂箱內(nèi)尺寸2000×1400×350/300mm；造型生產(chǎn)能力4-6型/h；砂處理能力20-25t/h；熔煉爐能力t電爐2臺。 </p> <p> <br /> </p> <p> 。 </p> <p> <br /> 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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫V法鑄造設(shè)備廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889762324219/6573071.png"></div><p> V法鑄造工藝過程和特點(diǎn) </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(shí)、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(shí)，。 </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(dòng)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(jìn)入清理工部完成工藝過程。正確選用塑料薄膜，型砂，真空泵﹑負(fù)壓度、振動(dòng)時(shí)間和結(jié)構(gòu)合理的砂箱是獲得質(zhì)量V法鑄件的基礎(chǔ)；無錫優(yōu)良V法鑄造原理</p><p style="text-indent:25px">正確選擇真空泵以及合理的真空系統(tǒng)是保證V法鑄型穩(wěn)定負(fù)壓度的前提。無錫V法鑄造設(shè)備廠</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(gè)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(tuán)合肥鑄鍛廠生產(chǎn)的叉車配重，曾獲2002年第四屆北京國際鑄造工業(yè)展覽會(huì)鑄件一等獎(jiǎng)。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(dòng)性。試驗(yàn)表明：V法鑄造和濕型鑄造相比，金屬液流動(dòng)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(jìn)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，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。無錫V法鑄造設(shè)備廠</p><p style="text-indent:25px">江陰華天科技開發(fā)有限公司發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大，現(xiàn)有一支專業(yè)技術(shù)團(tuán)隊(duì)，各種專業(yè)設(shè)備齊全。專業(yè)的團(tuán)隊(duì)大多數(shù)員工都有多年工作經(jīng)驗(yàn)，熟悉行業(yè)專業(yè)知識技能，致力于發(fā)展江陰華天科技的品牌。我公司擁有強(qiáng)大的技術(shù)實(shí)力，多年來一直專注于環(huán)保設(shè)備、氣力輸送設(shè)備、V法鑄造機(jī)械設(shè)備、消失模設(shè)備、樹脂砂設(shè)備、其他通用機(jī)械設(shè)備的技術(shù)開發(fā)、設(shè)計(jì)、制造、加工、銷售、安裝、調(diào)試、維修。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)。的發(fā)展和創(chuàng)新，打造高指標(biāo)產(chǎn)品和服務(wù)。江陰華天科技始終以質(zhì)量為發(fā)展，把顧客的滿意作為公司發(fā)展的動(dòng)力，致力于為顧客帶來***的氣力輸送，V法鑄造，輸送機(jī)械，環(huán)保設(shè)備。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2010206.html</p></div></div></div></div></div><div id="n5jpthf" class="page-right twoColRt"><div id="nljntrh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nnvdb5p" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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