東莞定制SMT貼片流程誠信經(jīng)營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(yàn)：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，東莞定制SMT貼片流程、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(diǎn)質(zhì)量評定》SJ/"><meta name="keywords" content="東莞定制SMT貼片流程,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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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nroi9jx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="884n84d" 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>東莞定制SMT貼片流程,SMT貼片</p><p><span>***更新：</span>2020-11-28 01:13:14</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="tsphbvm" 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="7z37mt7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="c8yxb3b" class="box"><p><p style="text-indent:25px">SMT貼片波峰焊首件焊接并檢驗(yàn)： 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，東莞定制SMT貼片流程、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(diǎn)質(zhì)量評定》SJ/T10666-1995或IPC-A-610E進(jìn)行首件焊接質(zhì)量檢驗(yàn)，東莞定制SMT貼片流程。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(yàn)我們之前就已經(jīng)反復(fù)強(qiáng)調(diào)過，其重要性不言而喻，東莞定制SMT貼片流程。為什么說在波峰焊后要進(jìn)行首件檢測呢？其實(shí)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(yàn)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。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(yàn)合格之后跟客戶確認(rèn)，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。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(jìn)行解決。東莞定制SMT貼片流程</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞定制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貼片加工焊接后的清洗對于高要求的精密儀表等特殊要求的產(chǎn)品需要做三防處理，三防處理前要求有很高的清潔度，否則在潮熱或高溫等惡劣環(huán)境條件下會造成電性能下降或失效等嚴(yán)重后果。由于焊后殘留物的速擋，造成在線測或功能測時測試探針接觸不良，容易出現(xiàn)誤測對于高要求的產(chǎn)品，由于焊后殘留物的遮擋，使一些熱損傷、層裂等缺陷不能暴露出來，造成漏檢而影響可靠性。同時，殘?jiān)嘁灿绊懟宓耐庥^和板卡的商品性。焊后殘留物會影響高密度、多I/O連接點(diǎn)陣列芯片、倒裝芯片的連接可靠性。肇慶自動SMT貼片廠家smt貼片可以設(shè)計(jì)的更輕薄短小，零件變得更小，電路板的體積也會變得更小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞定制SMT貼片流程,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258921669922/441409.png"></div><p style="text-indent:25px">SMT是電子元器件的基礎(chǔ)元件之一，稱為表面組裝技術(shù)（或是表面貼裝技術(shù)），分為無引腳或短引線，是通過回流焊或浸焊加以焊接組裝的電路裝連技術(shù)，也是目前電子組裝行業(yè)里非常流行的一種技術(shù)和工藝。特點(diǎn)：我們的基板，可用于電源供應(yīng)，訊號傳輸、散熱、提供結(jié)構(gòu)的作用。特性：能夠承受固化和焊接的溫度和時間。平整度符合制造工藝的要求。適合返修工作。適合基板的制造工藝。低介質(zhì)數(shù)和高電阻。有利于提高產(chǎn)品的可靠性。此外，SMT工序簡單，焊接缺陷較少，適合于自動化生產(chǎn)，生產(chǎn)效率也高，勞動強(qiáng)度低，生產(chǎn)成本降低等優(yōu)點(diǎn)。因此，近年來，SMT得了快速發(fā)展，已成為世界電子整機(jī)組裝技術(shù)的主流。</p><p style="text-indent:25px">SMT貼片膠的使用目的：①波峰焊中防止元器件脫落(波峰焊工藝)。在使用波峰焊時，為防止印制板通過焊料槽時元器件掉落，而將元器件固定在印制板上。②再流焊中防止另一面元器件脫落(雙面再流焊工藝)。雙面再流焊工藝中，為防止已焊好的那一面上大型器件因焊料受熱熔化而脫落，要使有SMT貼片膠。③防止元器件位移與立處(再流焊工藝、預(yù)涂敷工藝)。用于再流焊工藝和預(yù)涂敷工藝中防止貼裝時的位移和立片。④作標(biāo)記(波峰焊、再流焊、預(yù)涂敷)。此外，印制板和元器件批量改變時，用貼片膠作標(biāo)記。所用設(shè)備為絲印機(jī)（絲網(wǎng)印刷機(jī)），位于SMT生產(chǎn)線的較前端。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞定制SMT貼片流程,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258616425782/2441777.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(shí)現(xiàn)。而在SMT貼片加工中焊點(diǎn)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(diǎn)質(zhì)量和外觀檢查方法：一、SMT貼片加工良好的焊點(diǎn)，外觀應(yīng)符合以下幾點(diǎn)：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(diǎn)的邊緣應(yīng)當(dāng)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(dāng)?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。廣東有哪些好的SMT貼片公司？肇慶自動SMT貼片廠家</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。東莞定制SMT貼片流程</p><p style="text-indent:25px">SMT是表面組裝技術(shù)（表面貼裝技術(shù)）（Surface Mounted Technology的縮寫），是電子組裝行業(yè)里較可以的一種技術(shù)和工藝。電子電路表面組裝技術(shù)（Surface Mount Technology，SMT），稱為表面貼裝或表面安裝技術(shù)。它是一種將無引腳或短引線表面組裝元器件（簡稱SMC/SMD，中文稱片狀元器件）安裝在印制電路板（Printed Circuit Board，PCB)的表面或其它基板的表面上，通過再流焊或浸焊等方法加以焊接組裝的電路裝連技術(shù)。SMT基本工藝構(gòu)成要素包括:絲?。ɑ螯c(diǎn)膠）,貼裝（固化）,回流焊接,清洗,檢測,返修。東莞定制SMT貼片流程</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。浩明電子擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡。浩明電子繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。浩明電子始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)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/2170548.html</p></div></div></div></div></div><div id="m9ht7r3" class="page-right twoColRt"><div id="xyuw4i4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ugip9zo" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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