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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</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>?上海廠家smt貼片加工工藝中山市浩明電子科技供應</p><div id="t2m7nax" class="leftbox clearfix"><h1>上海廠家smt貼片加工工藝中山市浩明電子科技供應</h1><div id="37hrtv2" class="proBig"><div id="qpuqi7g" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s7s2ts2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hga22a3" 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>上海廠家smt貼片加工工藝,SMT貼片</p><p><span>***更新：</span>2020-09-07 15:09:44</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="swt78ry" 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="3yuzqsh" class="page-proshow02"><p class="title">詳細說明</p><div id="wl8xjqs" class="box"><p><p style="text-indent:25px">SMT貼片在生產(chǎn)前實際上分為幾個階段。包括開機檢查、初驗、開機、生產(chǎn)、停機等，大多數(shù)時候我們只關(guān)注某一個細節(jié)，卻不能解釋得很詳細。一：在生產(chǎn)設(shè)計操作頁面上，點擊選擇按鈕，輸入基板PCB基板選擇窗口；第二步：點擊選擇按鈕，完成基板選擇操作。第三步：機器讀取單板數(shù)據(jù)，返回主界面，用工程數(shù)據(jù)驗證設(shè)定參數(shù)。調(diào)整導軌，確保PCB基板能以設(shè)定的速度進入配線架在主界面，點擊設(shè)備傳輸系統(tǒng)設(shè)備傳輸寬度按鈕，上海廠家smt貼片加工工藝，進入信息傳輸寬度管理界面，上海廠家smt貼片加工工藝。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)計導軌的寬度。然后輕輕推動基板，上海廠家smt貼片加工工藝，確認PCB電路板在傳輸軌道上有大約1mm的非常小的間隙。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。上海廠家smt貼片加工工藝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海廠家smt貼片加工工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png"></div><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。上海廠家smt貼片加工工藝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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海廠家smt貼片加工工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258702304688/5407070.png"></div><p style="text-indent:25px">SMT貼片再流焊設(shè)備的質(zhì)量：再流焊質(zhì)量與設(shè)各有著十分密切的關(guān)系。影響SMT貼片再流焊質(zhì)量的主要參數(shù)如下。 1、溫度控制精度應達到0.1-0.2℃，溫度傳感器的靈敏度要滿足要求 2、溫度分布的均勻性，無鉛要求傳輸帶橫向溫差＜生2℃，否則很難保證整板的焊接質(zhì)量 3、加熱區(qū)長度。加熱區(qū)長度越長、加熱區(qū)數(shù)量越多，越容易調(diào)整和控制溫度曲線。 4、傳送帶運行要平穩(wěn)，傳送帶振動會造成移位、立碑、冷焊等焊接缺陷。 5、加熱效率會影響溫度曲線的調(diào)整和控制。加熱效率與設(shè)各結(jié)構(gòu)、空氣流動設(shè)計等有關(guān) 6、是否配備氮氣保護系統(tǒng)，氮氣保護可以減少高溫氧化，提高焊點浸潤性 7、應具備溫度曲線測試功能，如果設(shè)備無此配置，應外購溫度曲線采集器。</p><p style="text-indent:25px">SMT貼片加工廠在貼片加工中需要注意哪些環(huán)節(jié)： 1、生產(chǎn)車間的溫濕度。根據(jù)電子加工車間的行業(yè)標準，它規(guī)定了SMT加工廠的環(huán)境溫度值在25±3℃之間，濕度值在：0.01%RH之間。因為整個加工過程中有很多的精密元器件，對溫濕度極其敏感。同時相對的濕度對靜電的管控和處理有非常大的益處。 2、專業(yè)的操作人員。因為SMT這個環(huán)節(jié)的工序流程必須要細致，所有工序看起來很簡單。但是如果不是很熟練的操作員就容易出現(xiàn)因為細節(jié)管控不到位導致SMT焊點可靠性不高、焊點缺陷率高。因此SMT貼片機需要經(jīng)過專業(yè)的培訓之后才能正式上崗。經(jīng)過培訓上崗的員工不僅能夠提高生產(chǎn)效率，而且還能提高良品率。單面板的SMT貼片加工工藝是比較簡單的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海廠家smt貼片加工工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png"></div><p style="text-indent:25px">SMT貼片加工焊接后的清洗是指利用物理作用、化學反應的方法去除SMT再流焊、波峰焊和手工焊后殘留在表面組裝板表面的助焊劑殘留物及貼片加工組裝工藝過程中造成的污染物、雜質(zhì)的工序污染物對表面組裝板的危害 1、焊劑和焊音中添加的活化劑帶有少量西化物、酸或鹽，焊接后形成極性殘留物履蓋在焊點表面。當電子產(chǎn)品加電時，極性殘留物的離子就會朝極性相反的導體遷移，嚴重時會引起短路。 2、目前常用焊劑中的鹵化物、氯化物具有很強的活性和吸濕性，在湘濕的環(huán)境中對基板和焊點產(chǎn)生腐蝕作用，使基板的表面絕緣電阻下降并產(chǎn)生電遷移，嚴重時會導電，引起短路或斷路。加工SMT貼片過程中就需要了解元器件移位的原因，并針對性進行解決。上海廠家smt貼片加工工藝</p><p style="text-indent:25px">SMT貼片基本工藝構(gòu)成要素包括:絲?。ɑ螯c膠）,貼裝（固化）,回流焊接,清洗,檢測,返修。上海廠家smt貼片加工工藝</p><p style="text-indent:25px">在SMT貼片加工的日常工作中，我們經(jīng)常會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，而且很多的物料因為跟貼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貼的話，會選擇用人工手焊的形式把之后剩余的幾個料焊接上去。那么翼形引腳的手工焊接方法您了解多少呢？一、逐個焊點焊接：1、用鑷子夾持器件，對準方向使引腳與PCB焊盤對齊，居中貼放在相應的焊盤上。2、選用圓錐形或鑿子形烙鐵頭，焊牢器件斜對角1~2個引腳。3、從***條引腳開始、順序逐個焊點焊接，同時加少許直徑0.5mm（或更細一些）的焊錫絲，將器件兩側(cè)或四周引腳全部焊牢。窄間距時，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)移法逐個焊點焊接。二、拖焊法：1、用鑷子夾持器件，對準極性和方向，使引腳與焊盤對齊，居中貼放在相應的焊盤上，用圓錐或鑿子形烙鐵頭先焊牢器件斜對角1~2個引腳。2、涂助焊劑。3、給烙鐵頭上錫。4、從***條引腳開始、順序向下緩慢勻速拖拉烙鐵，將器件兩側(cè)全部焊牢。上海廠家smt貼片加工工藝</p><p style="text-indent:25px">中山市浩明電子科技有限公司位于東區(qū)白沙灣第二工業(yè)區(qū)C2幢4樓。浩明電子致力于為客戶提供良好的汽車周邊產(chǎn)品，智能電子鎖，藍牙系列，網(wǎng)絡(luò)直播聲卡，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在電子元器件深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造電子元器件良好品牌。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，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1194632.html</p></div></div></div></div></div><div id="d2nc7vn" class="page-right twoColRt"><div id="8ryvkw2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rls29gs" 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="tikxzq2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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