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clearfix"><div id="34zlihn" class="twoCol"><div id="29rj7qg" 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/second-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫(kù)存電子元器件、材料</a>?鎮(zhèn)江電子smt貼片誠(chéng)信經(jīng)營(yíng) 中山市浩明電子科技供應(yīng)</p><div id="dsubbxz" class="leftbox clearfix"><h1>鎮(zhèn)江電子smt貼片誠(chéng)信經(jīng)營(yíng) 中山市浩明電子科技供應(yīng)</h1><div id="lkmdzrd" class="proBig"><div id="wl7gnpr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ak4iz2q" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f2ta3h3" 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>鎮(zhèn)江電子smt貼片,SMT貼片</p><p><span>***更新：</span>2020-12-14 04:17:27</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="s8ho3fs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市浩明電子科技有限公司</a></p><p><span>聯(lián)系人：</span>劉江波</p><p><span>郵箱: </span>smtdong@126.com</p><p><span>電話: </span>13590701587</p><p><span>傳真: </span>0760_23880308</p><p><span>網(wǎng)址: </span>http://www.haomiandianzi.shop.88360.com</p><p><span>手機(jī): </span>0760-23880308</p><p><span>地址: </span>東區(qū)白沙灣第二工業(yè)區(qū)C2幢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="rgf78w3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="q8fmgce" class="box"><p><p style="text-indent:25px">SMT貼片加工價(jià)錢(qián)計(jì)算目前幾乎處于通明階段，幾錢(qián)一個(gè)點(diǎn)的算法很復(fù)雜。不過(guò)首先，需求明白“點(diǎn)”的概念，不同的公司采用的算法不同，但針對(duì)一塊PCB板來(lái)講，開(kāi)始的SMT貼片加工費(fèi)用總價(jià)是一樣的。SMT貼片加工的次要目的是將貼片元器件貼裝到PCB的焊盤(pán)上，有的公司將一個(gè)焊盤(pán)計(jì)算為一個(gè)點(diǎn)，但也有將兩個(gè)焊點(diǎn)（例如一個(gè)0201的貼片電阻）計(jì)作一個(gè)點(diǎn)的情況。以焊盤(pán)計(jì)算為一個(gè)點(diǎn)為例。只需求計(jì)算PCB板上一切的焊盤(pán)數(shù)即可，但是遇到一些特殊的元器件，比如電感，鎮(zhèn)江電子smt貼片、大的電容，鎮(zhèn)江電子smt貼片，鎮(zhèn)江電子smt貼片、IC等。SMT貼片是表面組裝技術(shù)（表面貼裝技術(shù)），是電子組裝行業(yè)里當(dāng)下流行的一種技術(shù)和工藝。鎮(zhèn)江電子smt貼片</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江電子smt貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">為什么要用SMT：1、電子產(chǎn)品追求小型化，以前使用的穿孔插件元件已無(wú)法縮小。2、電子產(chǎn)品功能更完整，所采用的集成電路(IC）已無(wú)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。3、產(chǎn)品批量化，生產(chǎn)自動(dòng)化，廠方要以低成本高產(chǎn)量，出產(chǎn)優(yōu)良產(chǎn)品以迎合顧客需求及加強(qiáng)市場(chǎng)競(jìng)爭(zhēng)力4、電子元件的發(fā)展，集成電路(IC）的開(kāi)發(fā)，半導(dǎo)體材料的多元應(yīng)用。5、電子科技**勢(shì)在必行，追逐國(guó)際潮流。6、高頻特性好。減少了電磁和射頻干擾。易于實(shí)現(xiàn)自動(dòng)化，提高生產(chǎn)效率，降低成本。鎮(zhèn)江電子smt貼片SMT是電子元器件的基礎(chǔ)元件之一，稱(chēng)為表面組裝技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江電子smt貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png"></div><p style="text-indent:25px">SMT貼片表面安裝元器件在功能上和插裝元器件沒(méi)有差別，其不同之處在于元器件的封裝。表面安裝的封裝在焊接時(shí)要經(jīng)受耐高溫度的元器件和基板必須具有匹配的熱膨脹系數(shù)。表面安裝的焊點(diǎn)既是機(jī)械連接點(diǎn)又是電氣連接點(diǎn)，合理的選擇對(duì)提高PCB設(shè)計(jì)密度、可生產(chǎn)性、可測(cè)試性和可靠性都產(chǎn)生決定性的影響。這些因素在產(chǎn)品設(shè)計(jì)中必須全盤(pán)考慮。選擇合適的封裝，其優(yōu)點(diǎn)主要是：1有效節(jié)省PCB面積；2提供更好的電學(xué)性能；3對(duì)元器件的內(nèi)部起保護(hù)作用，免受潮濕等環(huán)境影響；4提供良好的通信聯(lián)系；幫助散熱并為傳送和測(cè)試提供方便。</p><p style="text-indent:25px">貼片膠的流動(dòng)性過(guò)大會(huì)引起塌落，塌落常見(jiàn)問(wèn)題是點(diǎn)涂后放置過(guò)久會(huì)引起塌落，如果貼片膠擴(kuò)展到印制線路板的焊盤(pán)上會(huì)引起焊接不良。而且塌落的貼片膠對(duì)那些引腳相對(duì)較高的元器件來(lái)講，它接觸不到元器件主體，會(huì)造成粘接力不足，因此易于塌落的貼片膠，其塌落率很難預(yù)測(cè)，所以它的點(diǎn)涂量的初始設(shè)定也很困難。針對(duì)這一點(diǎn)，我們只好選擇那些不容易塌落的也就是搖溶比較高的貼片膠。對(duì)于點(diǎn)涂后放置過(guò)久引起的塌落，我們可以采用在點(diǎn)涂后的短時(shí)間內(nèi)完成貼片膠裝、固化來(lái)加以避免。SMT貼片加工技術(shù)與PCB制造技術(shù)結(jié)合,出現(xiàn)了各種各樣新型封裝的復(fù)合元件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江電子smt貼片,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258831015625/5527413.png"></div><p style="text-indent:25px">SMT貼片電路板傳送機(jī)構(gòu)把空白電路板傳送到生產(chǎn)線上貼裝機(jī)的工作臺(tái)上，并定位到系統(tǒng)的坐標(biāo)系中；元器件出現(xiàn)在料盤(pán)包裝中待取出的預(yù)定位置上；拾取元器件：既從供料器釣預(yù)定位置取元器件準(zhǔn)備貼裝；元器件定心：既把元器件對(duì)準(zhǔn)到機(jī)器（系統(tǒng)）的座標(biāo)系統(tǒng)中；貼放元器件：既將元器件貼裝在電路板的設(shè)定位置上；電路板卸載：將貼裝好的電路板傳送到卸載裝置上，并從卸載裝置上取出貼裝好的電路板。底座底座用來(lái)安裝和支撐貼裝機(jī)的基礎(chǔ)部件。因此，它必須具有足夠的剛性，如果剛性差，振動(dòng)大，會(huì)導(dǎo)致貼裝精度的下降。貼片元件的體積和重量只有傳統(tǒng)插裝元件的1/10左右。杭州廠家smt貼片加工生產(chǎn)</p><p style="text-indent:25px">在SMT貼片加工中，隨著PCBA電路板的集成度越來(lái)越高，集成電路的內(nèi)絕緣層越來(lái)越薄。鎮(zhèn)江電子smt貼片</p><p style="text-indent:25px">貼片加工組裝前來(lái)料檢測(cè)：在進(jìn)行貼片加工前來(lái)料檢測(cè)不僅是保證SMT組裝工藝質(zhì)量的基礎(chǔ)，也是保證SMA產(chǎn)品可靠性的基礎(chǔ)。因?yàn)橛泻细竦脑牧喜趴赡苡泻细竦漠a(chǎn)品，因此貼片加工組裝前來(lái)料檢測(cè)是保障SMA可靠性的重要環(huán)節(jié)。隨著SMT貼片的不斷發(fā)展和對(duì)SMA組裝密度、性能、可靠性要求的不斷提高，以及元器件進(jìn)一步微型化、工藝材料應(yīng)用更新速度加快等技術(shù)發(fā)展趨勢(shì)，SMA產(chǎn)品及其組裝質(zhì)量對(duì)組裝材料質(zhì)量的敏感度和依賴(lài)性都在加大，組裝前來(lái)料檢測(cè)成為越來(lái)越不能忽視的環(huán)節(jié)。選擇科學(xué)、適用的標(biāo)準(zhǔn)與方法進(jìn)行組裝前來(lái)料檢測(cè)成為SMT貼片加工組裝質(zhì)量檢測(cè)的主要內(nèi)容之一。鎮(zhèn)江電子smt貼片</p><p style="text-indent:25px">中山市浩明電子科技有限公司致力于電子元器件，是一家生產(chǎn)型公司。公司業(yè)務(wù)涵蓋smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。浩明電子秉承“客戶(hù)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(lái)源地址: http://www.cdcfah.com/cp/2395594.html</p></div></div></div></div></div><div id="c7w2jya" 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