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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="vzg2suw" class="twoCol"><div id="xmjypmy" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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/">庫存電子元器件、材料</a>?東莞手工SMT貼片流程服務(wù)為先中山市浩明電子科技供應(yīng)</p><div id="7okmjqn" class="leftbox clearfix"><h1>東莞手工SMT貼片流程服務(wù)為先中山市浩明電子科技供應(yīng)</h1><div id="m7tewi2" class="proBig"><div id="awszrtq" 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="i23ik7x" 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="kgn2xe3" 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>東莞手工SMT貼片流程,SMT貼片</p><p><span>***更新：</span>2021-01-24 04:11:28</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="p3szrov" 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="ry7ikm8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ycrya8l" class="box"><p><p style="text-indent:25px">在SMT貼片加工的錫膏中比較常用的錫粉顆粒與助焊劑的體積之比約1：1，東莞手工SMT貼片流程。SMT貼片加工開始之前，錫膏一定要經(jīng)過回溫（錫膏的特性和要求使它必須要低溫存儲）和充分的攪拌。比較關(guān)鍵的是回溫不能使用超常加熱的方式進(jìn)行回溫。PCBA加工完成之后，如果客戶沒有及時(shí)提貨或者需要暫時(shí)存放的話，首先要注意存儲方式。之后要考慮到客戶的貨運(yùn)渠道，來選擇相應(yīng)的包裝方式和程度。并且注意環(huán)境的干濕程度，東莞手工SMT貼片流程，以免沒有加裝外殼和沒有涂敷三防漆的產(chǎn)品在這個(gè)過程中出現(xiàn)受潮、氧化等不良，東莞手工SMT貼片流程。SMT貼片吸嘴型號不合適,孔徑太大會(huì)造成漏氣,孔徑太小會(huì)造成吸力不夠。東莞手工SMT貼片流程</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞手工SMT貼片流程,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">在SMT貼片加工的日常工作中，我們經(jīng)常會(huì)遇到一些做電力電子、電源、工業(yè)控制、充電樁的產(chǎn)品。上面大多數(shù)都是DIP插件物料，而且很多的物料因?yàn)楦N片物料的耐溫性和加工要求不一致，就需要用到手工焊接，特別是常見的翼形引腳元件比較常見。一般情況下如果是不能機(jī)貼的話，會(huì)選擇用人工手焊的形式把之后剩余的幾個(gè)料焊接上去。那么翼形引腳的手工焊接方法您了解多少呢？一、逐個(gè)焊點(diǎn)焊接：1、用鑷子夾持器件，對準(zhǔn)方向使引腳與PCB焊盤對齊，居中貼放在相應(yīng)的焊盤上。2、選用圓錐形或鑿子形烙鐵頭，焊牢器件斜對角1~2個(gè)引腳。3、從引腳開始、順序逐個(gè)焊點(diǎn)焊接，同時(shí)加少許直徑0.5mm（或更細(xì)一些）的焊錫絲，將器件兩側(cè)或四周引腳全部焊牢。窄間距時(shí)，不容易控制焊錫絲的送入量，因此也可以涂助焊劑，然后用轉(zhuǎn)移法逐個(gè)焊點(diǎn)焊接。二、拖焊法：1、用鑷子夾持器件，對準(zhǔn)極性和方向，使引腳與焊盤對齊，居中貼放在相應(yīng)的焊盤上，用圓錐或鑿子形烙鐵頭先焊牢器件斜對角1~2個(gè)引腳。2、涂助焊劑。3、給烙鐵頭上錫。4、從引腳開始、順序向下緩慢勻速拖拉烙鐵，將器件兩側(cè)全部焊牢。東莞手工SMT貼片流程ICT的準(zhǔn)備內(nèi)容:檢查運(yùn)行狀態(tài)、工藝文件，檢測程序。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞手工SMT貼片流程,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258649472657/2463037.png"></div><p style="text-indent:25px">SMT貼片加工的優(yōu)點(diǎn)有: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%?？煽啃愿摺⒖拐衲芰?qiáng)。焊點(diǎn)缺陷率低，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。降低成本達(dá)30%~50%。節(jié)省材料、能源、設(shè)備、人力、時(shí)間等。正是由于SMT貼片加工的工藝流程的復(fù)雜，所以出現(xiàn)了很多的SMT貼片加工的工廠，專業(yè)做SMT貼片的加工，得益于電子行業(yè)的蓬勃發(fā)展，SMT貼片加工成就了一個(gè)行業(yè)的繁榮。</p><p style="text-indent:25px">SMT貼片加工中施加焊膏的工藝要求有：1、施加的焊膏量均勻，一致性好。焊膏圖形要消晰，相鄰的圖形之間盡量不要粘連。焊膏圖形與焊盤圖形要一致，盡量不要錯(cuò)位。2、在一般情況下，焊盤上單位面積的焊膏量應(yīng)為0.8mg/mm3左右:對卒間距元器件，應(yīng)為0.5mgmm2左右。3、印刷在基板上的焊膏，與希望重量值相比，可允許有一定的偏差，至于焊膏覆蓋每個(gè)焊盤的面積，應(yīng)在75％以上。采用免清洗技術(shù)時(shí)，要求焊膏全部位于焊盤上，無鉛要求焊膏完全覆蓋焊盤。4、焊膏印刷后，應(yīng)無嚴(yán)重塌落，邊像整齊，錯(cuò)位不大于02mm對容間距元器件焊盤，錯(cuò)位不大于O0lm。基板表面不允許被焊膏污染。采用免清洗技術(shù)時(shí)，可通過縮小模板開口尺寸的方法，使焊膏全部位于焊盤上。SMT貼片生產(chǎn)文件的準(zhǔn)備有：生產(chǎn)前必須將設(shè)計(jì)文件提供的產(chǎn)品設(shè)計(jì)技術(shù)文件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞手工SMT貼片流程,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png"></div><p style="text-indent:25px">SMT貼片在生產(chǎn)前實(shí)際上要分為好幾個(gè)階段。包括開機(jī)檢查、初驗(yàn)、開機(jī)、生產(chǎn)、停機(jī)等，大多數(shù)時(shí)候我們只關(guān)注某一個(gè)細(xì)節(jié)，卻不能解釋得很詳細(xì)。一：在生產(chǎn)設(shè)計(jì)操作頁面上，點(diǎn)擊選擇按鈕，輸入基板PCB基板選擇窗口；第二步：點(diǎn)擊選擇按鈕，完成基板選擇操作。第三步：機(jī)器讀取單板數(shù)據(jù)，返回主界面，用工程數(shù)據(jù)驗(yàn)證設(shè)定參數(shù)。調(diào)整導(dǎo)軌，確保PCB基板能以設(shè)定的速度進(jìn)入配線架在主界面，點(diǎn)擊設(shè)備傳輸系統(tǒng)設(shè)備傳輸寬度按鈕，進(jìn)入信息傳輸寬度管理界面。更改后的傳輸寬度作為不同尺寸的輸入基板寬度后，單擊“確定”按鈕連續(xù)調(diào)整設(shè)計(jì)導(dǎo)軌的寬度。然后輕輕推動(dòng)基板，確認(rèn)PCB電路板在傳輸軌道上有大約1mm的非常小的間隙。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。北京尋求smt貼片加工廠</p><p style="text-indent:25px">SMT貼片指的是在PCB基礎(chǔ)上進(jìn)行加工的系列工藝流程簡稱。東莞手工SMT貼片流程</p><p style="text-indent:25px">從事SMT貼片行業(yè)以來很多的時(shí)候我們都會(huì)被客戶問到，你們的貼片機(jī)怎么樣？是高速機(jī)還是什么機(jī)？是全自動(dòng)的還是半自動(dòng)的？你們的貼片機(jī)多少錢一臺？還有的客戶會(huì)問，大概多少錢能給架起一條SMT貼片線呢？其實(shí)不只是客戶關(guān)心關(guān)注我們的貼片機(jī)，作為SMT貼片加工廠商，貼片機(jī)就是我們吃飯的飯碗，那么如何維護(hù)好SMT貼片機(jī)，就是我們必須要考慮的問題。那么貼片機(jī)如何維護(hù)好呢？1.機(jī)械活動(dòng)模組部分。如果要是超負(fù)荷的去使用，那么就需要機(jī)器長時(shí)間的不間斷運(yùn)行，首先各類活動(dòng)模塊的部分，就會(huì)磨損（比如：絲桿、導(dǎo)軌、滑塊，傳動(dòng)皮帶，馬達(dá)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(shí)到位。如果長時(shí)間的干磨不只會(huì)降低機(jī)器在長時(shí)間在超負(fù)荷狀態(tài)下的精度對品質(zhì)造成的問題，同時(shí)也會(huì)加急機(jī)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(huì)出現(xiàn)灰塵和積垢，如果積垢長時(shí)間的堆積，會(huì)對電路的散熱造成致命的損害，溫度過熱會(huì)對電路的壽命產(chǎn)生非常大的影響。東莞手工SMT貼片流程</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2983763.html</p></div></div></div></div></div><div id="gfreqsk" class="page-right twoColRt"><div id="g8ry2rm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cwdq7df" class="recomPic likePro"><a 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