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href="http://www.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫存電子元器件、材料</a>?電橋中山市浩明電子科技供應</p><div id="gw3grde" class="leftbox clearfix"><h1>電橋中山市浩明電子科技供應</h1><div id="ymyp7pi" class="proBig"><div id="3fmdxdu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258921669922/441409.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qtkv2hs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258921669922/441409.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="g72fwxe" 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>電橋,SMT貼片</p><p><span>***更新：</span>2020-09-23 18:20:41</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="gjlw4vm" 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: </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="nql8dar" class="page-proshow02"><p class="title">詳細說明</p><div id="kpyqkvc" class="box"><p><p style="text-indent:25px">SMT貼片加工技術(shù)目前已普遍應在在電子行業(yè)中，是實現(xiàn)電子產(chǎn)品小型化、高集成不可缺少重要貼裝工藝。SMT貼片加工根據(jù)產(chǎn)品類型不同，貼片價格也是不相同的，在工藝流程上也是有所區(qū)別，下面SMT廠小編就為大家介紹SMT貼片加工常見基本工藝流程：單面SMT貼片：即在單面PCB板上進行SMT組裝，單面PCB板的零件是集中在一面，另一面則是導線，是比較基本的PCB板，電橋，單面板的貼片加工工藝是比較簡單的，主要有以下兩種組裝工藝：1，電橋、單面組裝工藝流程：來料檢測—絲印焊膏—貼片—烘干—回流焊接—清洗—檢測—返修。2，電橋、單面混裝工藝流程：來料檢測—PCB的A面絲印焊膏(點貼片膠)—貼片—烘干—回流焊接—清洗—插件—波峰焊—清洗—檢測—返修。隨著SMT貼片無鉛化的發(fā)展，近來在傳統(tǒng)氣相焊設各的基礎(chǔ)上開發(fā)了學生一種可以基于噴射系統(tǒng)原理的新方法。電橋</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電橋,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258921669922/441409.png"></div><p style="text-indent:25px">對于直接接觸stm貼片產(chǎn)品的操作人員，要戴防靜電手腕帶，并要求戴防靜電手腕帶的操作人員每天上、下年上班前各測試一次，以保證手腕帶與人體的良好接觸。同時，每天安排相關(guān)人員監(jiān)督檢查，并對員工進行貼片加工防靜電方面的知識培訓和現(xiàn)場管理。生產(chǎn)過程中手拿產(chǎn)品時，*能拿產(chǎn)品邊緣無電子元器件處;生產(chǎn)后產(chǎn)品必須裝在防靜電包裝中;安裝時，要求一次拿一塊產(chǎn)品，不允許一次拿多塊產(chǎn)品。SMT加工廠在返工操作時，必須將要修理的產(chǎn)品放在防靜電裝置中.再拿到返修工位。整個生產(chǎn)過程中用到的設備和工具都應具有防靜電能力。SMT貼片加工之后經(jīng)過測試驗收合格的產(chǎn)品，應用離子噴槍噴射一次再包裝起來。杭州smt小批量貼片SMT加工中自動在線檢測：自動在線檢測系統(tǒng)與內(nèi)置檢測系統(tǒng)相比有很多優(yōu)點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電橋,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">從事SMT貼片行業(yè)以來很多的時候我們會被客戶問到，你們的貼片機怎么樣？是高速機還是什么機？是全自動的還是半自動的？你們的貼片機多少錢一臺？還有的客戶會問，大概多少錢能給架起一條SMT貼片線呢？其實不**是客戶關(guān)心關(guān)注我們的貼片機，作為SMT貼片加工廠商，貼片機就是我們吃飯的飯碗，那么如何維護好SMT貼片機，就是我們必須要考慮的問題。那么貼片機如何維護好呢？1.機械活動模組部分。如果要是超負荷的去使用，那么就需要機器長時間的不間斷運行，首先各類活動模塊的部分，就會磨損（比如：絲桿、導軌、滑塊，傳動皮帶，馬達聯(lián)軸器等），跟汽車的保養(yǎng)一樣，潤滑油這部分的保養(yǎng)就必須及時到位。如果長時間的干磨不**會降低機器在長時間在超負荷狀態(tài)下的精度對品質(zhì)造成的問題，同時也會加急機器使用壽命的衰減。2.電路管網(wǎng)及表面處理。只要有空氣的地方就避免不了會出現(xiàn)灰塵和積垢，如果積垢長時間的堆積，會對電路的散熱造成致命的損害，溫度過熱會對電路的壽命產(chǎn)生非常大的影響。</p><p style="text-indent:25px">SMT貼片加工固化：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。所用設備為固化爐，位于SMT生產(chǎn)線中貼片機的后面。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。所用設備為回流焊爐，位于SMT生產(chǎn)線中貼片機的后面。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。所用設備為清洗機，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板進行焊接質(zhì)量和裝配質(zhì)量的檢測。所用設備有放大鏡、顯微鏡、在線測試儀（ICT）、**測試儀、自動光學檢測（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。SMT貼片加工一個具有良好的焊點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電橋,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258831015625/5527413.png"></div><p style="text-indent:25px">在SMT貼片加工中，隨著PCBA電路板的集成度越來越高，集成電路的內(nèi)絕緣層越來越薄，這個怎么解釋呢？大家可以從相關(guān)芯片的制程能力新聞中可以窺探一二，比如說5nm的制程工藝在指甲蓋大小的體積內(nèi)要塞進上百億個晶體管，可想而知精密度的大小問題。那么就會牽扯到互連導線寬度與間距的問題，毋庸置疑間距是越來越小的。例如，CMOS器件絕緣層的典型厚度約為0.Ium，其相應耐擊穿電壓在80～100V：VMOS器件的絕緣層更海，擊穿電壓為30V。而在電子產(chǎn)品制造及運輸、存儲等過程中所產(chǎn)生的靜電電壓遠遠超過CMOS器件的擊穿電壓，往往會使器件產(chǎn)生硬擊穿或軟擊穿（器件局部損傷）現(xiàn)象，使其失效或嚴重影響產(chǎn)品的可靠性。單面SMT貼片：即在單面PCB板上進行SMT組裝，單面PCB板的零件是集中在一面，另一面則是導線。杭州smt小批量貼片</p><p style="text-indent:25px">制作首件時發(fā)現(xiàn)時實物與SMT貼片位置圖的參數(shù)不一致時，我們先核對其原始BOM，查一下到底是哪一個環(huán)節(jié)出錯。電橋</p><p style="text-indent:25px">現(xiàn)在的電子產(chǎn)品都在追求小型化、輕便化，這也就要求這些電子產(chǎn)品的**部分pcb線路板需要更加小、輕便，這也就需要用到SMT貼片加工技術(shù)來實現(xiàn)。而在SMT貼片加工中焊點的質(zhì)量與可靠性決定了電子產(chǎn)品的質(zhì)量。對此，技術(shù)員就為大家介紹SMT貼片加工焊點質(zhì)量和外觀檢查方法：一、SMT貼片加工良好的焊點，外觀應符合以下幾點：1、表面需要完整而平滑光亮，不能有缺陷；2、有良好的潤濕性，焊接點的邊緣應當較薄，焊料與焊盤表面的潤濕角以300以下為好，較大不超過600；3、元件高度要適中，適當?shù)暮噶狭亢秃噶闲枰耆采w焊盤和引線的焊接部位。二、SMT加工外觀需要檢查的內(nèi)容：1、元件是否有遺漏;2、元件是否有貼錯;3、是否會造成短路;4、元件是否虛焊，不牢固。電橋</p><p style="text-indent:25px">中山市浩明電子科技有限公司是一家SMT (貼片)+COB(邦定) 來料代加工，擁有8條高精密全自動生產(chǎn)線，可貼裝 0402 、 0201 、SOT 、SOP 、BGA 、FPC插座、USB接口、QFP 、QFN 、PLCC 等各類高精密異形元件，有3臺COB邦機，全自動固晶機、封膠機，能高效率 ***完成邦定需求。的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。浩明電子深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的汽車周邊產(chǎn)品，智能電子鎖，藍牙系列，網(wǎng)絡直播聲卡。浩明電子始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。浩明電子始終關(guān)注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使浩明電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1394828.html</p></div></div></div></div></div><div id="3by3ugw" class="page-right twoColRt"><div id="8dzlpl3" class="box01 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