北京專業(yè)smt貼片加工生產(chǎn) 歡迎來電中山市浩明電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="SMT貼片波峰焊首件焊接并檢驗：1、用自動上板機(jī)，或人工把PCB輕輕放在傳送帶（或夾具）上，機(jī)器自動完成噴涂助焊劑、干燥、預(yù)熱、波峰焊、冷卻等操作。2、在波峰焊出口處接住PCB。3、按照行業(yè)標(biāo)準(zhǔn)《焊點質(zhì)量評定》SJ/T10666-1995或"><meta name="keywords" content="北京專業(yè)smt貼片加工生產(chǎn),SMT貼片"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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href="http://www.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫存電子元器件、材料</a>?北京專業(yè)smt貼片加工生產(chǎn) 歡迎來電中山市浩明電子科技供應(yīng)</p><div id="km0auu0" class="leftbox clearfix"><h1>北京專業(yè)smt貼片加工生產(chǎn) 歡迎來電中山市浩明電子科技供應(yīng)</h1><div id="aag8cse" class="proBig"><div id="i0g8cay" 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="8yocie8" 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="0ek8kaw" 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>北京專業(yè)smt貼片加工生產(chǎn),SMT貼片</p><p><span>***更新：</span>2020-10-29 00:31:22</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="gqy8agw" 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="qee0ag0" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="60e02w8" class="box"><p><p style="text-indent:25px">SMT貼片波峰焊首件焊接并檢驗： 1、用自動上板機(jī)，或人工把PCB輕輕放在傳送帶（或夾具）上，機(jī)器自動完成噴涂助焊劑、干燥、預(yù)熱、波峰焊、冷卻等操作。2、在波峰焊出口處接住PCB。3、按照行業(yè)標(biāo)準(zhǔn)《焊點質(zhì)量評定》SJ/T10666-1995或IPC-A-610E進(jìn)行首件焊接質(zhì)量檢驗。根據(jù)首件焊接結(jié)果調(diào)整焊接參數(shù)，直到質(zhì)量符合要求后才能進(jìn)行連續(xù)批量生產(chǎn)。PCBA首件檢驗我們之前就已經(jīng)反復(fù)強(qiáng)調(diào)過，其重要性不言而喻，北京專業(yè)smt貼片加工生產(chǎn)。為什么說在波峰焊后要進(jìn)行首件檢測呢？其實PCBA的主要生產(chǎn)流程包括：錫膏印刷、SMT貼片、回流焊焊接、DIP插件、波峰焊焊接。如果沒有問題的話，經(jīng)過了波峰焊焊接的電路板就可以拿回去組裝成完成品了。那么如果我們對一個已經(jīng)走完了生產(chǎn)流程的產(chǎn)品不加檢驗就去生產(chǎn)，如果出現(xiàn)品質(zhì)異常，那么已經(jīng)組裝好的產(chǎn)品也要拆下來重新返修，北京專業(yè)smt貼片加工生產(chǎn)。所以除非是客戶明確表示不用做首件檢測的情況，其余情況下，PCBA加工廠一定要在波峰焊接完成之后進(jìn)行首件檢測，經(jīng)過檢驗合格之后跟客戶確認(rèn)，北京專業(yè)smt貼片加工生產(chǎn)，下一步在進(jìn)行量產(chǎn)和批量生產(chǎn)才是一個可行的方案。SMT貼片加工清洗劑要有良好潤濕性。北京專業(yè)smt貼片加工生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京專業(yè)smt貼片加工生產(chǎn),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png"></div><p style="text-indent:25px">雙面SMT貼片：雙面PCB板是兩面都有布線，必須要在兩面間有適當(dāng)?shù)碾娐愤B接才行。這種電路間的橋梁叫做導(dǎo)孔。導(dǎo)孔是在PCB上，充滿或涂上金屬的小洞，它可以與兩面的導(dǎo)線相連接，可貼裝元件更多，因而雙面SMT貼片工藝更為復(fù)雜。1、雙面組裝工藝1)來料檢測—PCB的A面絲印焊膏(點貼片膠)—貼片—烘干(固化)—A面回流焊接—清洗—翻板PCB的B面絲印焊膏(點貼片膠)—貼片—烘干—回流焊接，此工藝一般適用于在PCB兩面均貼裝有PLCC等較大的SMD時采用。2、雙面混裝工藝1)來料檢測—PCB的B面點貼片膠—貼片—固化—翻板—PCB的A面插件—波峰焊—清洗—檢測—返修。先貼后插，適用于SMD元件多于分離元件的情況。2)來料檢測—PCB的A面絲印焊膏—貼片—烘干—回流焊接—插件，引腳打彎—翻板—PCB的B面點貼片膠—貼片—固化—翻板—波峰焊—清洗—檢測—返修。A面混裝，B面貼裝。3)來料檢測—PCB的B面點貼片膠貼片—固化—翻板—PCB的A面絲印焊膏—貼片—A面回流焊接—插件—B面波峰焊—清洗—檢測—返修。A面混裝，B面貼裝。先貼兩面SMD，回流焊接，后插裝，波峰焊。北京專業(yè)smt貼片加工生產(chǎn)SMT貼片機(jī)主要應(yīng)用于LED燈、電子產(chǎn)品、顯示屏領(lǐng)域,具有智能化的貼片操作,更精細(xì)的識別定位等特點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京專業(yè)smt貼片加工生產(chǎn),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258649472657/2463037.png"></div><p style="text-indent:25px">IPQC需利用電橋（LCR表）、萬用表和貼片位置圖來檢查首件，用電橋測量電容和0402電阻的容值、阻值是否與BOM一致，再檢查元器件的絲印、方向是否與stm貼片位置圖一致。在測試首件過程中，我們用貼片位置圖（必須是執(zhí)行較新ECN的）上的參數(shù)來核對PCB上元器件的參數(shù)。所有的電容需用LCR表測試，在測的時候盡量按同一個方向測試，以免有漏測現(xiàn)象。如是0402的電阻也需用LCR表測試，大于0402的電阻及其它物料需核對其絲印、方向是否正確，物料的方向一般以PCB板方向為標(biāo)準(zhǔn)（如果貼片位置圖的方向與PCB的方向不一致時，需找相關(guān)人員確認(rèn)），確保無多料、少料、錯件、錯位、反向、移位等不良現(xiàn)象。</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(jī)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(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(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，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(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。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="北京專業(yè)smt貼片加工生產(chǎn),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258582382813/5781319.png"></div><p style="text-indent:25px">在SMT貼片廠中，通常為了保證SMT貼片機(jī)的系統(tǒng)性操作安全性，SMT貼片機(jī)的操作，不**需要有經(jīng)過專業(yè)知識培訓(xùn)的有經(jīng)驗的技術(shù)人員和通行的管理人員來協(xié)同進(jìn)行機(jī)器的操作，以此來保證SMT貼裝的高可靠性和直通率，焊接不良率，良好的高頻特性。減少了一個電磁和射頻信號干擾。易實現(xiàn)自動化，提高生產(chǎn)效率。一般管理規(guī)定SMT工廠生產(chǎn)車間的溫度在25±3℃之間。SMT貼裝密度高，電子產(chǎn)品體積小，重量輕，SMT貼片元器件的體積大小和重量**只是傳統(tǒng)插裝元器件的一半甚至是十分之一左右。在一般選擇了SMT貼片加工之后，相應(yīng)的功能情況下電子產(chǎn)品的整體體積會減少40%~60%，重量減少60%~80%。SMT貼片加工中錫膏本身的粘性不夠，元器件在搬運時發(fā)生振蕩、搖晃等問題而造成了元器件移位。江蘇外發(fā)smt加工</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。北京專業(yè)smt貼片加工生產(chǎn)</p><p style="text-indent:25px">我們首先要明確一個問題：SMT貼片加工的費用包含那幾個部分？開機(jī)費、工程費、鋼網(wǎng)費，其余就是按照常規(guī)的點數(shù)算法核算出來的加工費。很多SMT工廠都有較低消費的限制在里面，這個限制是工廠正常的一次服務(wù)**的費用，低于這個費用就屬于虧損狀態(tài)，賠本的買賣是沒人做的，低于成本價就可能拒絕接您這單。一般達(dá)不到較低消費是按照較低消費來收取的，超出的按照正常的點數(shù)來算。有做過SMT貼片加工的朋友都知道，目前業(yè)內(nèi)的常規(guī)報價都是按點算。特殊工藝要求的可能會更貴。北京專業(yè)smt貼片加工生產(chǎn)</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，擁有一支專業(yè)的技術(shù)團(tuán)隊。在浩明電子近多年發(fā)展歷史，公司旗下現(xiàn)有品牌浩明等。公司堅持以客戶為中心、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(jī)，全自動固晶機(jī)、封膠機(jī)，能高效率 ***完成邦定需求。市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。中山市浩明電子科技有限公司主營業(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，堅持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1749014.html</p></div></div></div></div></div><div id="gksyma0" class="page-right twoColRt"><div id="0808yuk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wmc00qe" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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