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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="wa2amon" 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="eqipmyn" 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)品關鍵詞：</span>上海專業(yè)的SMT貼片,SMT貼片</p><p><span>***更新：</span>2021-02-05 13:15:39</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jda33vc" 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: </span>0755-89884486</p><p><span>地址: </span>龍崗街道南聯(lián)瑞記路1號恒?？萍紙@A棟4樓</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="lvnk82l" class="page-proshow02"><p class="title">詳細說明</p><div id="hb2w89h" class="box"><p><p style="text-indent:25px">SMT貼片加工要求及操作注意事項：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，應在烙鐵尖上加上焊錫，上海專業(yè)的SMT貼片，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，上海專業(yè)的SMT貼片，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，上海專業(yè)的SMT貼片。焊完所有的引腳后，用焊劑浸濕所有引腳以便清洗焊錫。SMT是表面組裝技術（表面貼裝技術），是目前電子組裝行業(yè)里流行的一種技術和工藝。上海專業(yè)的SMT貼片</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海專業(yè)的SMT貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303272983007812/9521863.png"></div><p style="text-indent:25px">smt貼片需求額定測算，詳細閱歷方法如下：比如電感可以算作10個點，IC根據(jù)引腳數(shù)打?qū)φ郏ū热?0腳IC，算作20個點）。根據(jù)以上方法，就可以很輕松地計算出整個PCB板的總焊點數(shù)了。接上去就是一定焊點的單價。目前市場上，焊點單價各有不同，從0.008~0.03元/焊點的價錢都有，這個取決于SMT加工的工藝難度以及SMT廠商關于貼片質(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)，沒有物料檢驗環(huán)節(jié)，關于整個批次的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。上海專業(yè)的SMT貼片SMT易于實現(xiàn)自動化，提高生產(chǎn)效率。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海專業(yè)的SMT貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273254638672/2431523.png"></div><p style="text-indent:25px">如果在SMT貼片出現(xiàn)了短路的情況，這是比較常見的加工不良，手貼與機貼的效果要相同的話，必須要解決好短路的問題，因為短路的PCBA是不能用的，檢查SMT貼片短路的方法有很多的，SMT貼片的短路檢查介紹：使用短路定位分析儀進行檢查。在SMT貼片加工中如果出現(xiàn)批量相同短路的話，可以拿一塊板來割線操作，然后將各個部分分別通電對短路部分進行排查。人工焊接操作要養(yǎng)成好的習慣，用萬用表檢查關鍵電路是否短路，每次手工SMT貼片完一個IC都需要使用萬用表測量一下電源和地是否短路。</p><p style="text-indent:25px">SMT有何特點：組裝密度高、電子產(chǎn)品體積小、重量輕，貼片元件的體積和重量只有傳統(tǒng)插裝元件的1/10左右，一般采用SMT之后，電子產(chǎn)品體積縮小40%~60%，重量減輕60%~80%。可靠性高、抗振能力強。焊點缺陷率低。高頻特性好。減少了電磁和射頻干擾。易于實現(xiàn)自動化，提高生產(chǎn)效率。降低成本達30%~50%。節(jié)省材料、能源、設備、人力、時間等。為什么要用SMT：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。電子產(chǎn)品功能更完整，所采用的集成電路(IC)已無穿孔元件，特別是大規(guī)模、高集成IC，不得不采用表面貼片元件。產(chǎn)品批量化，生產(chǎn)自動化，廠方要以低成本高產(chǎn)量，出產(chǎn)好的產(chǎn)品以迎合顧客需求及加強市場競爭力。smt貼片要降低成本，減少費用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海專業(yè)的SMT貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273345263672/252414.png"></div><p style="text-indent:25px">SMT貼片加工注意事項：SMT屬于表面組裝的一項技術，現(xiàn)階段電子組裝行業(yè)比較流行的技術，SMT貼片加工主要指把元件通過貼處設備貼到印有膠或錫膏的PCB上，然后過焊接爐。SMT貼片加工以組裝密度高、電子產(chǎn)品體積小、高頻特性好等優(yōu)點得到廠家認可，因為SMT貼片機的工作效率和穩(wěn)定的性能為我們的生產(chǎn)帶來了極大的優(yōu)勢，有了SMT貼片機，就能提高生產(chǎn)效率和能提供高質(zhì)量的產(chǎn)品給顧客。SMT貼片機相當于一個貼片機器人，是比較精密的自動化生產(chǎn)設備，貼片阻容元件可以先在一個焊點上點錫，再放上元件的一頭，用鑷子夾著元件，焊上一頭后看下是否放正了，若已經(jīng)放正即可焊上另一頭。smt貼片表面安裝元器件在功能上和插裝元器件沒有差別，其不同之處在于元器件的封裝。上海專業(yè)的SMT貼片</p><p style="text-indent:25px">用smt貼片機貼裝的電子產(chǎn)品可靠性高、抗震能力強。上海專業(yè)的SMT貼片</p><p style="text-indent:25px">為什么要用smt貼片?1、電子產(chǎn)品追求小型化，以前運用的穿孔插件元件已無法減少，電子產(chǎn)品功用更完好，所采用的集成電路(IC)已無穿孔元件，特別是大范圍、高集成IC，不得不采用外表貼片元件產(chǎn)品批量化，消費自動化，廠方要以低本錢高產(chǎn)量，出產(chǎn)質(zhì)量產(chǎn)品以迎合顧客需求及增強市場競爭力。電子元件的開展，集成電路(IC)的開發(fā)，半導體資料的多元應用，電子科技反動勢在必行，追逐國際潮流。能貼裝元器件的類型。貼裝元器件類型的貼片機比*能貼裝SMC或少量SMD類型的貼片機適應性好。上海專業(yè)的SMT貼片</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。潤澤五洲致力于為客戶提供良好的方案設計，電路板加工，PCBA OEM，SMT貼片，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造電子元器件良好品牌。潤澤五洲秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3177418.html</p></div></div></div></div></div><div id="86quebs" class="page-right twoColRt"><div id="dsu2qvx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="w2kace8" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="lse7zjf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學商務信息咨詢供應" class="vcenter" 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