揚(yáng)州實(shí)型V法鑄造廠歡迎咨詢江陰華天科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="V法鑄造（真空密封造型）是七十年代初由日本首先發(fā)明，之后經(jīng)美國(guó)，歐洲各國(guó)鑄造**研究，確立了V法造型的比較好和**基本方法。目前這種新穎鑄造方法已***使用在鑄鐵、鑄鋼、有色鑄造行業(yè)中，鑄件的重量從幾克到重達(dá)幾十噸。近年來(lái)中國(guó)V法鑄造形勢(shì)獨(dú)"><meta name="keywords" content="揚(yáng)州實(shí)型V法鑄造廠,V法鑄造"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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style="text-indent:25px">V法鑄造（真空密封造型）是七十年代初由日本首先發(fā)明，之后經(jīng)美國(guó)，歐洲各國(guó)鑄造**研究，確立了V法造型的比較好和**基本方法。目前這種新穎鑄造方法已***使用在鑄鐵、鑄鋼、有色鑄造行業(yè)中，鑄件的重量從幾克到重達(dá)幾十噸。近年來(lái)中國(guó)V法鑄造形勢(shì)獨(dú)好，據(jù)統(tǒng)計(jì)2010年全國(guó)V法鑄造企業(yè)超過(guò)200余家，其中十余條是引進(jìn)日本和德國(guó)真空密封造型線設(shè)備和技術(shù)。V法鑄造因鑄件表面質(zhì)量好、尺寸精度高，工藝操作簡(jiǎn)便，金屬利用率高，生產(chǎn)成本低，適用范圍廣，在質(zhì)量、技術(shù)和經(jīng)濟(jì)效益方面有***的競(jìng)爭(zhēng)優(yōu)勢(shì)，揚(yáng)州實(shí)型V法鑄造廠。本文著重介紹V法鑄造生產(chǎn)過(guò)程﹑質(zhì)量控制和技術(shù)控制的措施和方法，揚(yáng)州實(shí)型V法鑄造廠。水環(huán)式真空泵依靠水環(huán)實(shí)現(xiàn)密封，揚(yáng)州實(shí)型V法鑄造廠，各部件的公差較大，不怕干砂粉塵。揚(yáng)州實(shí)型V法鑄造廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州實(shí)型V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889867304688/5688127.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(guò)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(shí)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(xì)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>南通質(zhì)量V法鑄造特點(diǎn)提高澆注速度，加快金屬液的上升速度，縮短澆注時(shí)間，減小鑄型表面的烘烤時(shí)間，防止鑄型塌砂；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州實(shí)型V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889664833985/7864344.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(wú)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(lái)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??；實(shí)際上，對(duì)于砂箱來(lái)說(shuō)，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。</p><p> 四工位轉(zhuǎn)臺(tái)式V法造型機(jī) </p> <p> 該機(jī)組主要由轉(zhuǎn)臺(tái)（帶氣動(dòng)驅(qū)動(dòng)和定位機(jī)構(gòu)）、負(fù)壓分配閥、自動(dòng)覆膜機(jī)、震實(shí)臺(tái)、自動(dòng)雨淋式加砂機(jī)構(gòu)及貯砂斗等組成。轉(zhuǎn)臺(tái)上安放4臺(tái)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(tái)由氣缸驅(qū)動(dòng)并有兩個(gè)氣動(dòng)定位銷確保轉(zhuǎn)臺(tái)定位無(wú)誤，負(fù)壓分配閥可根據(jù)各工位的抽真空要求自動(dòng)抽氣，自動(dòng)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(shí)臺(tái)為平板式震實(shí)臺(tái)坐在四個(gè)空氣彈簧上，用振動(dòng)電機(jī)激振，雨淋式加砂機(jī)構(gòu)由格子板、氣動(dòng)插板閥控制加砂和關(guān)閉。整個(gè)動(dòng)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(shí)；Ⅳ工位：蓋膜頂箱起模。如***工序?yàn)橄孪鋾r(shí)，則第二工序?yàn)樯舷?，上、下箱在平臺(tái)上合箱后，帶著真空負(fù)壓軟管一起吊運(yùn)到澆注轉(zhuǎn)臺(tái)上。 </p> <p> 江陰華天科技開(kāi)發(fā)有限公司為天津耐酸泵廠設(shè)計(jì)的四工位V法造型機(jī)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。中小消失模生產(chǎn)單位，由于鑄件不穩(wěn)定，*使用消失模鑄造工藝往往不能適應(yīng)市場(chǎng)客戶的需求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州實(shí)型V法鑄造廠,V法鑄造" src="https://tyunfile.71360.com/UploadFile/Jyhuatian/637293889931113282/8104857.png"></div><p style="text-indent:25px">金屬軟管抽氣和管式抽氣式復(fù)合砂箱。在V法鑄造實(shí)踐中，針對(duì)以上2種砂箱存在的各種問(wèn)題，國(guó)內(nèi)多數(shù)廠家采用復(fù)合砂箱，其箱壁用10mm鋼板焊接，用金屬軟管抽氣。砂箱結(jié)構(gòu)簡(jiǎn)單，單層壁構(gòu)成，可制作尺寸較大的砂箱。為避免塌箱引起鑄型沉降和變形，設(shè)置較密箱帶。金屬管兩端與固定在砂箱上壁的真空接頭相連，抽氣時(shí)，通過(guò)軟管的各活動(dòng)節(jié)的縫隙來(lái)抽吸砂粒間的空氣，同時(shí)又能阻止細(xì)砂及粉塵被吸走。因軟管間隙較大易吸人砂粒和粉塵，真空管路系統(tǒng)必須配有濾砂和水浴裝置。生產(chǎn)表明，鑄型內(nèi)負(fù)壓度大于0.044MPa時(shí)鑄型就可以保持足夠的強(qiáng)度和穩(wěn)定性。揚(yáng)州真空V法鑄造</p><p style="text-indent:25px">型砂粒度對(duì)鑄型負(fù)壓度變化的影響很大，較細(xì)的型砂有利于防止金屬液滲透。揚(yáng)州實(shí)型V法鑄造廠</p><p style="text-indent:25px">鑄型強(qiáng)度不夠或者不均勻，在有些具有大平面特點(diǎn)的鑄件生產(chǎn)上，不能很好的減小或防止鑄件在冷卻過(guò)程中的變形。有時(shí)候常常為了落砂的簡(jiǎn)易性，對(duì)于下箱往往不加箱檔，以利于鑄件直接從砂箱脫出。這是不合理的。上下箱必須都設(shè)計(jì)抽氣箱檔，才能有效保障鑄型強(qiáng)度的均勻性及上下鑄型強(qiáng)度的對(duì)等性。圖9、圖10為某廠生產(chǎn)某種型號(hào)的鐵路側(cè)架鑄件的上下箱結(jié)構(gòu)圖。另外值得一提的是，砂箱結(jié)構(gòu)設(shè)計(jì)合理，對(duì)于同一套真空系統(tǒng)來(lái)講，可能同時(shí)允許接入的砂箱數(shù)量就會(huì)增加，意味著真空系統(tǒng)的利用效率明顯增強(qiáng)。揚(yáng)州實(shí)型V法鑄造廠</p><p style="text-indent:25px">江陰華天科技開(kāi)發(fā)有限公司成立于2006-09-27，專業(yè)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(shù)脂砂設(shè)備、其他通用機(jī)械設(shè)備的技術(shù)開(kāi)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)。等多項(xiàng)業(yè)務(wù)，主營(yíng)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" ]。目前我公司在職員工達(dá)到11~50人人，是一個(gè)有活力有能力有創(chuàng)新精神的高效團(tuán)隊(duì)。公司業(yè)務(wù)范圍主要包括：[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]等。公司奉行顧客至上、質(zhì)量為首、的經(jīng)營(yíng)宗旨，深受客戶好評(píng)。公司力求給客戶提供***質(zhì)量服務(wù)，我們相信誠(chéng)實(shí)正直、開(kāi)拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來(lái)共同的利益和進(jìn)步。經(jīng)過(guò)幾年的發(fā)展，已成為[ "氣力輸送", "V法鑄造", "輸送機(jī)械", "環(huán)保設(shè)備" ]行業(yè)**企業(yè)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/656977.html</p></div></div></div></div></div><div id="uecsqes" class="page-right twoColRt"><div id="kmukaow" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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