福建無鉛SMT貼片生產(chǎn)商深圳市潤(rùn)澤五洲電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="SMT加工注意事項(xiàng)：SMT貼片加工作為一門高精密的技術(shù)，對(duì)于工藝要求也十分的嚴(yán)格，現(xiàn)代很多電子產(chǎn)品的貼片元器件尺寸正在趨于微小狀態(tài)，除了日漸微小精致的貼片元件產(chǎn)品，對(duì)加工環(huán)境的要求也日益苛刻，接下來將為大家介紹一下：錫膏冷藏。錫膏剛買回來，"><meta name="keywords" content="福建無鉛SMT貼片生產(chǎn)商,SMT貼片"><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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id="3sfhei3" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/second-dzyqj_dzcllbjjgj/">電子材料、零部件、結(jié)構(gòu)件</a>?<a href="http://www.cdcfah.com/cp/third-dzcllbjjgj_dzwjcl/">電子五金材料</a>?福建無鉛SMT貼片生產(chǎn)商深圳市潤(rùn)澤五洲電子供應(yīng)</p><div id="qt34o9y" class="leftbox clearfix"><h1>福建無鉛SMT貼片生產(chǎn)商深圳市潤(rùn)澤五洲電子供應(yīng)</h1><div id="3fc2xbf" class="proBig"><div id="wlik3by" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272930849609/6428199.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yik7k97" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272930849609/6428199.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zif88an" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建無鉛SMT貼片生產(chǎn)商,SMT貼片</p><p><span>***更新：</span>2020-12-08 06:15:19</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="3zwyaxf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市潤(rùn)澤五洲電子科技有限公司</a></p><p><span>聯(lián)系人：</span>劉路</p><p><span>郵箱: </span>6259193@qq.com</p><p><span>電話: </span>15813866860</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.run-five.com</p><p><span>手機(jī): </span>0755-89884486</p><p><span>地址: </span>龍崗街道南聯(lián)瑞記路1號(hào)恒?？萍紙@A棟4樓</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="kjb8xbx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ajgnugn" class="box"><p><p style="text-indent:25px">SMT加工注意事項(xiàng)：SMT貼片加工作為一門高精密的技術(shù)，對(duì)于工藝要求也十分的嚴(yán)格，現(xiàn)代很多電子產(chǎn)品的貼片元器件尺寸正在趨于微小狀態(tài)，除了日漸微小精致的貼片元件產(chǎn)品，對(duì)加工環(huán)境的要求也日益苛刻，接下來將為大家介紹一下：錫膏冷藏。錫膏剛買回來，如果不馬上用，需放入冰箱里進(jìn)行冷藏，溫度保持在5℃-0℃，不要低于0℃。關(guān)于錫膏的攪拌使用，網(wǎng)上有很多解釋，福建無鉛SMT貼片生產(chǎn)商，在這里就不多介紹。及時(shí)更換貼片機(jī)易損耗品。在貼裝工序，由于貼片機(jī)設(shè)備的老化以及吸嘴、供料器的損壞，容易導(dǎo)致貼片機(jī)貼歪，并造成高拋料的發(fā)生，降低生產(chǎn)效率，增加生產(chǎn)成本。在無法貼片機(jī)設(shè)備的情況下，需認(rèn)真檢查吸嘴是否堵塞、損壞，福建無鉛SMT貼片生產(chǎn)商，以及供料器是否完好。SMT貼片其實(shí)離我們每個(gè)人的實(shí)際生活都很近，福建無鉛SMT貼片生產(chǎn)商，我們?cè)缟先ド习嘧挥玫腎C卡，都是SMT加工出來的。福建無鉛SMT貼片生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建無鉛SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272930849609/6428199.png"></div><p style="text-indent:25px">一般來說smt貼片機(jī)都會(huì)存在拋料問題，而拋料會(huì)產(chǎn)生缺件不良，其實(shí)拋料問題產(chǎn)生的主要原因一般是吸取不良和識(shí)別不良。1、吸取不良，主要原因是NOZZLE未能吸起材料，這種情況發(fā)生的原因可能是NOZZLE堵塞，缺損，F(xiàn)EEDER不良等原因造成的。在發(fā)生吸取不良時(shí)，應(yīng)該檢查吸嘴有沒有被堵塞或者表面是不是不平，這個(gè)問題可以通過更換吸嘴來解決。檢查FEEDER的進(jìn)料位置是否正確，如果不正確可以通過微調(diào)整，使元件在吸取的中心點(diǎn)上來解決問題。檢查程序中設(shè)定的元件厚度是否正確，如果設(shè)定錯(cuò)誤的話會(huì)導(dǎo)致機(jī)器無法識(shí)別從而造成無法吸取的情況。福建無鉛SMT貼片生產(chǎn)商電子產(chǎn)品追求小型化，以前使用的穿孔插件元件已無法縮小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建無鉛SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273001464844/9464883.png"></div><p style="text-indent:25px">SMT加工會(huì)出現(xiàn)哪些焊接的不良現(xiàn)象？焊料過少：主要是由于焊絲移開過早造成的，該不良焊點(diǎn)強(qiáng)度不夠，導(dǎo)電性較弱，受到外力作用容易引發(fā)元器件斷路的故障。拉尖：主要原因是SMT加工時(shí)電烙鐵撤離方向不對(duì)，或者是溫度過高使焊劑大量升華造成的。焊點(diǎn)發(fā)白：一般是因?yàn)殡娎予F溫度過高或是加熱時(shí)間過長(zhǎng)而引起的。焊盤剝離：焊盤受高溫后形成的剝離現(xiàn)象，這個(gè)容易引發(fā)元器件短路等問題。冷焊：焊點(diǎn)表面呈豆腐渣狀。主要由于電烙鐵溫度不夠，或者是焊料凝固前焊件的抖動(dòng)，該不良焊點(diǎn)強(qiáng)度不高，導(dǎo)電性較弱，受到外力作用易引發(fā)元器件斷路的故障。焊點(diǎn)內(nèi)部有空洞：主要原因是引線浸潤(rùn)不良，或者是引線與插孔間隙過大。該不良焊點(diǎn)可以暫時(shí)導(dǎo)通，但是時(shí)間一長(zhǎng)元器件容易出現(xiàn)斷路故障。焊料過多：主要由于焊絲移開不及時(shí)造成的。</p><p style="text-indent:25px">SMT貼片加工預(yù)防出現(xiàn)錫膏缺陷的方法：避免用布條去抹擦，以防止錫膏和其他污染物涂抹在板的表面上。在浸泡之后，用輕柔的噴霧沖刷經(jīng)?？梢詭椭サ舨幌Ｍ械腻a稿。同時(shí)SMT貼片加工廠還推薦用熱風(fēng)干燥。如果使用了臥式模板清洗機(jī)，要清洗的面應(yīng)該朝下，以允許錫膏從板上掉落。在印刷工藝期間，在印刷周期之間按一定的規(guī)律擦拭模板。保證模板坐落在焊盤上，而不是在阻焊層上，以保證一個(gè)清潔的錫膏印刷工藝。在線的、實(shí)時(shí)的錫膏檢查和元件貼裝之后回流之前的檢查，都是對(duì)減少在焊接發(fā)生之前工藝缺陷有幫助的工藝步驟。SMT貼片具有結(jié)構(gòu)緊湊，組裝密度高，體積小，質(zhì)量小，高頻特性好，抗震動(dòng)，抗沖擊性好等優(yōu)點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建無鉛SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273384580078/2421472.png"></div><p style="text-indent:25px">SMT是表面組裝技術(shù)（表面貼裝技術(shù)）（Surface Mounted Technology的縮寫），是目前電子組裝行業(yè)里流行的一種技術(shù)和工藝。 SMT貼片指的是在PCB基礎(chǔ)上進(jìn)行加工的系列工藝的簡(jiǎn)稱。PCB（Printed Circuit Board)意為印刷電路板。：SMT基本工藝構(gòu)成要素:　錫膏印刷--> 零件貼裝-->過爐固化-->回流焊接-->AOI光學(xué)檢測(cè)--> 維修--> 分板-->磨板-->洗板。1.錫膏印刷：其作用是將無錫膏漏印到PCB的焊盤上，為元器件的焊接做準(zhǔn)備。所用設(shè)備為絲印機(jī)，位于SMT生產(chǎn)線的前端。smt貼片構(gòu)成還包括：固化：其作用是將貼片膠融化，從而使表面組裝元器件與PCB板牢固粘接在一起。福建無鉛SMT貼片生產(chǎn)商</p><p style="text-indent:25px">SMT是表面組裝技術(shù)（表面貼裝技術(shù)），是電子組裝行業(yè)里流行的一種技術(shù)和工藝。福建無鉛SMT貼片生產(chǎn)商</p><p style="text-indent:25px">貼片機(jī)器中對(duì)元件的取料高度的設(shè)定和FEEDER 的卷料帶有沒有正常卷取塑料帶等都會(huì)造成對(duì)物料的吸取出現(xiàn)問題。識(shí)別不良，主要是吸取到的物料沒有貼裝到PCB上。這時(shí)候要檢查吸嘴的表面有沒有異物和灰塵，如果是異物或者灰塵造成元件識(shí)別有誤差的話，更換清潔吸嘴就能解決。吸嘴的反光面如果被臟污或劃傷也會(huì)識(shí)別不良。元件識(shí)別相機(jī)的玻璃蓋和鏡頭出現(xiàn)元件散落或者是有灰塵遮擋也會(huì)影響到識(shí)別精度。錯(cuò)件問題錯(cuò)件是SMT貼片加工生產(chǎn)過程中不能接受的異常。一旦出現(xiàn)錯(cuò)件情況的話會(huì)在短時(shí)間內(nèi)造成很大的損失。福建無鉛SMT貼片生產(chǎn)商</p><p style="text-indent:25px">深圳市潤(rùn)澤五洲電子科技有限公司致力于電子元器件，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋方案設(shè)計(jì)，電路板加工，PCBA OEM，SMT貼片等，價(jià)格合理，品質(zhì)有保證。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在電子元器件深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造電子元器件良好品牌。潤(rùn)澤五洲秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2315169.html</p></div></div></div></div></div><div id="f2pmoac" class="page-right twoColRt"><div id="zt7bxov" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zogi7uw" class="recomPic likePro"><a 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