江蘇無鉛SMT貼片加工廠深圳市潤澤五洲電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="SMT元器件外觀工藝要求：板底，板面，銅箔，線，通孔等應(yīng)無裂縫和切口，會因?yàn)榍懈畈涣疾粫斐啥搪?。FPC板與平面平行，無凸起變形。標(biāo)識信息字符絲印文字無歧義、膠印、倒印、膠印、雙影等。fpc板外表面不應(yīng)擴(kuò)大氣泡現(xiàn)象?？讖酱笮》显O(shè)計(jì)要求。貼"><meta name="keywords" content="江蘇無鉛SMT貼片加工廠,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 http-equiv="Cache-Control" 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class="leftbox clearfix"><h1>江蘇無鉛SMT貼片加工廠深圳市潤澤五洲電子供應(yīng)</h1><div id="2ldzla4" class="proBig"><div id="nzw3szo" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272983007812/9521863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tn7hgys" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272983007812/9521863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rlfhelk" 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>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>江蘇無鉛SMT貼片加工廠,SMT貼片</p><p><span>***更新：</span>2020-11-29 10:16:30</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="bvmtvcw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市潤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號恒裕科技園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="pel3qxp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kzq22qh" class="box"><p><p style="text-indent:25px">SMT元器件外觀工藝要求：板底，板面，銅箔，線，通孔等應(yīng)無裂縫和切口，會因?yàn)榍懈畈涣疾粫斐啥搪?。FPC板與平面平行，無凸起變形。標(biāo)識信息字符絲印文字無歧義、膠印、倒印、膠印、雙影等。fpc板外表面不應(yīng)擴(kuò)大氣泡現(xiàn)象?？讖酱笮》显O(shè)計(jì)要求。貼片加工中焊點(diǎn)光澤不足原因：錫膏中的錫粉有氧化現(xiàn)象。焊膏在焊劑本身有添加劑形成消光。在焊點(diǎn)加工中，江蘇無鉛SMT貼片加工廠，回流焊預(yù)熱溫度低，焊點(diǎn)外觀不易產(chǎn)生殘余蒸發(fā)。焊接后出現(xiàn)松香或樹脂殘留物的焊點(diǎn)，在實(shí)際操作中，尤其是選用松香焊膏時，雖然松香劑和非清潔焊劑會使焊點(diǎn)更加光亮，江蘇無鉛SMT貼片加工廠，但在實(shí)際操作中經(jīng)常出現(xiàn)。然而，江蘇無鉛SMT貼片加工廠，殘?jiān)拇嬖谕绊戇@一效應(yīng)，特別是在較大的焊點(diǎn)或IC腳。如能在焊接后清洗，應(yīng)改善焊點(diǎn)的光澤度。因?yàn)楹更c(diǎn)的亮度不標(biāo)準(zhǔn)，如果無銀焊錫膏焊接產(chǎn)品和含銀焊膏后焊接產(chǎn)品肯定會有一定距離，這就要求客戶選擇焊錫膏供應(yīng)商對焊錫的需求關(guān)節(jié)應(yīng)該澄清。在SMT設(shè)計(jì)階段應(yīng)根據(jù)設(shè)備及工藝的具體情況和總體設(shè)計(jì)要求確定表面組裝元器件的封裝形式和結(jié)構(gòu)。江蘇無鉛SMT貼片加工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇無鉛SMT貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272983007812/9521863.png"></div><p style="text-indent:25px">回流焊接:其作用是將焊膏融化，使表面組裝元器件與PCB板牢固粘接在一起。所用設(shè)備為回流焊爐，位于SMT生產(chǎn)線中貼片機(jī)的后面。清洗:其作用是將組裝好的PCB板上面的對人體有害的焊接殘留物如助焊劑等除去。所用設(shè)備為清洗機(jī)，位置可以不固定，可以在線，也可不在線。檢測:其作用是對組裝好的PCB板進(jìn)行焊接質(zhì)量和裝配質(zhì)量的檢測。所用設(shè)備有放大鏡、顯微鏡、在線測試儀(ICT)、測試儀、自動光學(xué)檢測(AOI)、X-RAY檢測系統(tǒng)、功能測試儀等。位置根據(jù)檢測的需要，可以配置在生產(chǎn)線合適的地方。返修:其作用是對檢測出現(xiàn)故障的PCB板進(jìn)行返工。所用工具為烙鐵、返修工作站等。配置在生產(chǎn)線中任意位置。浙江供應(yīng)SMT貼片工廠SMT安裝在印制電路板的表面或其它基板的表面上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇無鉛SMT貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273219833984/2007240.png"></div><p style="text-indent:25px">smt工藝還包括：清洗是將焊接好的PCB板放置于清洗機(jī)中，PCB組裝板表面對人體有害的焊劑殘留或是再流焊和手工焊后的助焊劑殘留物以及組裝工藝過程中造成的污染物。檢測：檢測是對組裝完成后的PCB組裝板進(jìn)行焊接質(zhì)量檢測和裝配質(zhì)量檢測。需要用到AOI光學(xué)檢測、**測試儀并進(jìn)行ICT和FCT功能測試。QC團(tuán)隊(duì)進(jìn)行PCB板質(zhì)量抽檢，檢測基板，焊劑殘留，組裝故障等等；返修：SMT的返修，通常是為了去除失去功能、引腳損壞或排列錯誤的元器件，重新更換新的元器件。要求維修人員需要對返修工藝及技術(shù)掌握較為熟悉。PCB板需要經(jīng)過目檢，查看是否元件漏貼、方向錯誤、虛焊、短路等。如果需要，有問題的板需要送至專業(yè)的返修臺進(jìn)行維修，比如經(jīng)過ICT測試或者FCT功能測試環(huán)節(jié)，直至測試PCB板工作正常。</p><p style="text-indent:25px">smt貼片所用設(shè)備為自動光學(xué)檢測（AOI），訂單量通常在上萬以上，訂單量小的就通過人工檢測。位置根據(jù)檢測的需要，可以配置在生產(chǎn)線合適的地方。有些在回流焊接前，有的在回流焊接后。維修：其作用是對檢測出現(xiàn)故障的PCB板進(jìn)行返修。所用工具為烙鐵、返修工作站等。配置在AOI光學(xué)檢測后。分板：其作用是對多連板PCBA進(jìn)行切分，使之分開形成單獨(dú)個體，一般采用V-cut與機(jī)器切割方式。磨板：其作用是對有毛刺的部位進(jìn)行磨砂，使其變得光滑平整。洗板：其作用是將組裝好的PCB板上面的對人體有害的焊接殘留物如助焊劑等除去。分人工清洗和清洗機(jī)清洗，位置可以不固定，可以在線，也可不在線。塑料封裝形式分為:小外形晶體管SOT。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇無鉛SMT貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273254638672/2431523.png"></div><p style="text-indent:25px">smt貼片需求額定測算，詳細(xì)閱歷方法如下：比如電感可以算作10個點(diǎn)，IC根據(jù)引腳數(shù)打?qū)φ郏ū热?0腳IC，算作20個點(diǎn)）。根據(jù)以上方法，就可以很輕松地計(jì)算出整個PCB板的總焊點(diǎn)數(shù)了。接上去就是一定焊點(diǎn)的單價。目前市場上，焊點(diǎn)單價各有不同，從0.008~0.03元/焊點(diǎn)的價錢都有，這個取決于SMT加工的工藝難度以及SMT廠商關(guān)于貼片質(zhì)量控制懇求和才干決議。經(jīng)常價錢廉價的，能夠沒有測試環(huán)節(jié)，沒有物料檢驗(yàn)環(huán)節(jié)，關(guān)于整個批次的SMT貼片質(zhì)量難以失掉保證，商品的分歧性和可靠性也會存在很大的前期隱患。SMT貼片指的是在PCB基礎(chǔ)上進(jìn)行加工的系列工藝流程的簡稱。江蘇無鉛SMT貼片加工廠</p><p style="text-indent:25px">表面安裝元器件在功能上和插裝元器件沒有差別。江蘇無鉛SMT貼片加工廠</p><p style="text-indent:25px">SMT貼片加工要求及操作注意事項(xiàng)：在焊接之前先在焊盤上涂上助焊劑，用烙鐵處理一遍，以免焊盤鍍錫不良或被氧化，造成不好焊，芯片則一般不需處理。開始焊接所有的引腳時，應(yīng)在烙鐵尖上加上焊錫，將所有的引腳涂上焊劑使引腳保持濕潤。用烙鐵尖接觸芯片每個引腳的末端，直到看見焊錫流入引腳。在焊接時要保持烙鐵尖與被焊引腳并行，防止因焊錫過量發(fā)生搭接。用鑷子小心地將PQFP芯片放到PCB板上，注意不要損壞引腳，使其與焊盤對齊，要保證芯片的放置方向正確。焊完所有的引腳后，用焊劑浸濕所有引腳以便清洗焊錫。江蘇無鉛SMT貼片加工廠</p><p style="text-indent:25px">深圳市潤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，價格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。在社會各界的鼎力支持下，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/2194548.html</p></div></div></div></div></div><div id="h2rtkr8" class="page-right twoColRt"><div id="b7vnfm2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="drz7878" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="cbdkhoi" class="recomPic likePro"><a 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