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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>南京實(shí)型V法鑄造設(shè)備,V法鑄造</p><p><span>***更新：</span>2020-09-04 19:17:52</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="j8iaxzg" 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="y3i7j7o" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8eqnpri" class="box"><p><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(zhǎng)，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(guó)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，南京實(shí)型V法鑄造設(shè)備，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(guó)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，南京實(shí)型V法鑄造設(shè)備。圖7為美國(guó)Harmony Casting公司采用V法生產(chǎn)的鑄鋁件，大平面厚度為4.7mm，南京實(shí)型V法鑄造設(shè)備，局部薄至2.3mm。負(fù)壓澆注，有利于金屬的補(bǔ)給，鑄件冒口可減小，鑄件表面光潔，尺寸精度高，加工余量減少。南京實(shí)型V法鑄造設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實(shí)型V法鑄造設(shè)備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889773623047/2195160.png"></div><p style="text-indent:25px">V法鑄造用的砂箱，其結(jié)構(gòu)形式直接決定著砂箱內(nèi)負(fù)壓場(chǎng)的形成和分布，也就決定著鑄型強(qiáng)度的大小和均勻性。但是，不少觀念錯(cuò)誤的認(rèn)為，只要砂箱里面能夠抽氣就行，至于怎么抽，抽多少，都無關(guān)緊要，只要不塌箱即可。所以目前，既有單純的抽氣管抽氣的砂箱，也有靠四壁抽氣的砂箱，**復(fù)雜的則有四壁抽氣并外加箱帶或抽氣管輔助的形式；似乎都達(dá)到了同樣的目的，都能生產(chǎn)出鑄件。然而，產(chǎn)生的影響卻是不一樣的。生產(chǎn)上習(xí)慣了用真空度來衡量或者表征鑄型的強(qiáng)度，認(rèn)為真空度越高，鑄型強(qiáng)度越高，塌箱的幾率也越?。粚?shí)際上，對(duì)于砂箱來說，真空的形成是氣體流動(dòng)的結(jié)果，是型腔內(nèi)的空氣被真空系統(tǒng)抽走之后形成的。無錫密封V法鑄造效果合理的澆注系統(tǒng)及澆注速度是防止產(chǎn)生脹砂、塌箱、增厚等缺點(diǎn)的關(guān)鍵措施；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實(shí)型V法鑄造設(shè)備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889931113282/8104857.png"></div><p> 重視系統(tǒng)化工程的設(shè)計(jì) </p> <p> 耐磨鑄造車間的建設(shè)是一個(gè)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(jì)，原輔材料的配套，熱處理系統(tǒng)的配套，機(jī)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(shí)間長(zhǎng)，在一定程度上限制了砂箱的流轉(zhuǎn)速度，企業(yè)訂購(gòu)大量砂箱不僅**增加了企業(yè)成本，而且造成管理使用上的困難?？赏ㄟ^采用建設(shè)冷卻立體庫，設(shè)計(jì)冷卻托盤的方式加快砂箱流轉(zhuǎn)，同時(shí)節(jié)約生產(chǎn)場(chǎng)地。標(biāo)準(zhǔn)化托盤的設(shè)計(jì)和制作，滿足叉車運(yùn)輸條件，并不額外增加過多的勞動(dòng)力，實(shí)現(xiàn)了工藝生產(chǎn)的要求，降低了設(shè)備投資成本，同時(shí)提高的系統(tǒng)運(yùn)行效率。 </p><p style="text-indent:25px">V法鑄造是真空密封造型或負(fù)壓造型鑄造工藝的簡(jiǎn)稱，其原理是利用塑料薄膜覆模造型并密封砂箱，依靠真空泵抽出型內(nèi)空氣，造成型內(nèi)箱外壓力差，使干砂緊實(shí)，形成所需型腔。其比較大優(yōu)勢(shì)是型砂不使用粘結(jié)劑，干砂回用率高達(dá)95%以上，不僅節(jié)能環(huán)保、落砂簡(jiǎn)便、改善勞動(dòng)條件，而且鑄件表面品質(zhì)和尺寸精度**提高。V法鑄造是日本長(zhǎng)野縣工業(yè)試驗(yàn)所和秋田株式會(huì)社于1971年的發(fā)明專利。V法鑄造至今經(jīng)過了38年的發(fā)展，同消失模鑄造一樣，作為第3代造型方法即物理硬化方法，在世界上尤其是在中國(guó)獲得了長(zhǎng)足的發(fā)展。降低咯鑄型的透氣性，較粗的型砂，可提高鑄型的透氣性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京實(shí)型V法鑄造設(shè)備,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.png"></div><p style="text-indent:25px">V法工藝生產(chǎn)耐磨鑄件的發(fā)展V法鑄造1973年起源于日本，80年代引入中國(guó)后得到了***關(guān)注，并逐步應(yīng)用于很多產(chǎn)品的生產(chǎn)。同時(shí)，該工藝傳入北美及歐洲地區(qū)，取得了長(zhǎng)足發(fā)展，應(yīng)用范圍不斷擴(kuò)展，在叉車配重、工程機(jī)械橋殼、浴盆等領(lǐng)域獲得了非常成熟的應(yīng)用。在耐磨鑄件領(lǐng)域，V法鑄造工藝在瑞典山特維克、美國(guó)耐磨狼、美伊電鋼等**耐磨鑄件生產(chǎn)企業(yè)的使用中獲得了極大成功，并逐步成為這些企業(yè)的主流工藝。在國(guó)內(nèi)，從上世紀(jì)80年代開始有初步探索該工藝生產(chǎn)耐磨鑄件的試驗(yàn)，但是沒有成熟應(yīng)用（除鐵路道岔外）。近些年，在耐磨鑄件生產(chǎn)領(lǐng)域，V法鑄造工藝重新得到重視和關(guān)注。目前，V法鑄造在耐磨鑄件的生產(chǎn)應(yīng)用方面主要以傳統(tǒng)礦山耐磨鑄件為主，包括高錳鋼圓錐、齒板、錘頭、板錘、大型襯板等。甚至有些企業(yè)成功將立磨所用高鉻輥套鑄件采用V法鑄造工藝生產(chǎn)，取得了不錯(cuò)的效果。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)。無錫實(shí)型V法鑄造價(jià)格</p><p style="text-indent:25px">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。南京實(shí)型V法鑄造設(shè)備</p><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。南京實(shí)型V法鑄造設(shè)備</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(hào)。公司業(yè)務(wù)涵蓋氣力輸送，V法鑄造，輸送機(jī)械，環(huán)保設(shè)備等，價(jià)格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1157400.html</p></div></div></div></div></div><div id="pg829g8" class="page-right twoColRt"><div id="8y2y8uj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wq3gvm8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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