中小批量貼片加工廠誠信互利中山市浩明電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="SMT貼片加工中造成空洞、裂紋的原因很多，主要有以下方面因素：1、焊接面（PCB焊盤與元件焊端表面）存在浸潤不良；2、焊料氧化；3、焊接面各種材料的膨脹系數(shù)不匹配，焊點(diǎn)凝固時(shí)不平穩(wěn)；4、再流焊溫度曲線的設(shè)置未能使焊音中的有機(jī)揮發(fā)物及水分在進(jìn)"><meta name="keywords" content="中小批量貼片加工廠,SMT貼片"><link rel="canonical" href="http://m.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" content="no-transform" 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href="http://m.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫存電子元器件、材料</a>?中小批量貼片加工廠誠信互利中山市浩明電子科技供應(yīng)</p><div id="3e7h8x8" class="leftbox clearfix"><h1>中小批量貼片加工廠誠信互利中山市浩明電子科技供應(yīng)</h1><div id="yxj77m9" class="proBig"><div id="3y9wjtf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258719462891/5378899.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dczbdpm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258719462891/5378899.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3s9mbsz" 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>中小批量貼片加工廠,SMT貼片</p><p><span>***更新：</span>2020-12-02 07:17:32</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="3bqc2ir" 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="dspwtf8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sg7xz8s" class="box"><p><p style="text-indent:25px">SMT貼片加工中造成空洞、裂紋的原因很多，主要有以下方面因素： 1、焊接面（PCB焊盤與元件焊端表面）存在浸潤不良； 2、焊料氧化； 3、焊接面各種材料的膨脹系數(shù)不匹配，焊點(diǎn)凝固時(shí)不平穩(wěn)； 4、再流焊溫度曲線的設(shè)置未能使焊音中的有機(jī)揮發(fā)物及水分在進(jìn)入回流區(qū)前揮發(fā)。無鉛焊料的問題是高溫、表面張力大、黏度大。表面張力的增加勢(shì)必會(huì)使氣體在冷卻階段的外逸更困難，氣體不容易排出來，中小批量貼片加工廠，中小批量貼片加工廠，使空洞的比例增加。因此，SMT貼片中無鉛焊點(diǎn)中的氣孔，中小批量貼片加工廠、空洞比較多。SMT電子產(chǎn)品追求小型化，以前使用的穿孔插件元件已無法縮小。中小批量貼片加工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中小批量貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258719462891/5378899.png"></div><p style="text-indent:25px">SMT貼片的特性：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要傳統(tǒng)插裝元件的1/10左右，普通采用SMT貼片之后，電子產(chǎn)品體積縮40%~60%，重量減輕60%~80%。牢靠性高、抗振才能強(qiáng)。焊點(diǎn)缺陷率低。高頻特性好。減少了電磁和射頻干擾。易于完成自動(dòng)化，進(jìn)步消費(fèi)效率。降低本錢達(dá)30%~50%。儉省資料、能源、設(shè)備、人力、時(shí)間等。影響貼片機(jī)貼裝元器件類型的主要因素是貼裝精度、貼裝工具、定心機(jī)構(gòu)與元器件的相容性,以及貼片機(jī)能容納的供料器的數(shù)目和種類。有些貼片機(jī)只能容納有限的供料器,而有些貼片機(jī)能容納大多數(shù)或全部類型的供料器,并且能容納的供料器的數(shù) 目也比較多,顯然,后者比前者的適應(yīng)性好。中小批量貼片加工廠貼片元件的體積和重量只有傳統(tǒng)插裝元件的1/10左右。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中小批量貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258632216797/5876714.png"></div><p style="text-indent:25px">SMT貼片選擇合適的封裝，其優(yōu)點(diǎn)主要是：1）有效節(jié)省PCB面積；2）提供更好的電學(xué)性能；3）對(duì)元器件的內(nèi)部起保護(hù)作用，免受潮濕等環(huán)境影響；4）提供良好的通信聯(lián)系；5）幫助散熱并為傳送和測(cè)試提供方便。表面安裝元器件選?。罕砻姘惭b元器件分為有源和無源兩大類。按引腳形狀分為鷗翼型和“J”型。無源器件主要包括單片陶瓷電容器、鉭電容器和厚膜電阻器，外形為長方形或園柱形。園柱形無源器件稱為“MELF”，采用再流焊時(shí)易發(fā)生滾動(dòng)，需采用特殊焊盤設(shè)計(jì)，一般應(yīng)避免使用。長方形無源器件稱為“CHIP”片式元器件，它的體積小、重量輕、抗素沖擊性和抗震性好、寄生損耗小，被廣泛應(yīng)用于各類電子產(chǎn)品中。為了獲得良好的可焊性，必須選擇鎳底阻擋層的電鍍。</p><p style="text-indent:25px">電子產(chǎn)品追求小型化，以前使用的穿孔插件元件已無法縮小。電子產(chǎn)品功能更完整，所采用的集成電路(IC)已無穿孔元件，特別是大規(guī)模、高集成IC，不得不采用表面貼片元件。產(chǎn)品批量化，生產(chǎn)自動(dòng)化，廠方要以低成本高產(chǎn)量，出產(chǎn)較好產(chǎn)品以迎合顧客需求及加強(qiáng)市場(chǎng)競爭力電子元件的發(fā)展，集成電路(IC)的開發(fā)，半導(dǎo)體材料的多元應(yīng)用。電子科技**勢(shì)在必行，追逐國際潮流?？梢韵胂?，在intel、amd等國際cpu、圖像處理器件的生產(chǎn)商的生產(chǎn)工藝精進(jìn)到20幾個(gè)納米的情況下，smt這種表面組裝技術(shù)和工藝的發(fā)展也是不得以而為之的情況。SMT貼片加工根據(jù)產(chǎn)品類型不同，貼片價(jià)格也是不相同的，在工藝流程上也是有所區(qū)別。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中小批量貼片加工廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png"></div><p style="text-indent:25px">隨著SMT貼片無鉛化的發(fā)展，近來在傳統(tǒng)氣相焊設(shè)各的基礎(chǔ)上開發(fā)了學(xué)生一種可以基于噴射系統(tǒng)原理的新方法，這種教學(xué)方法研究能夠更加精確地管理控制以及焊接工作介質(zhì)蒸氣的數(shù)量，同時(shí)在密閉腔體內(nèi)對(duì)組裝板進(jìn)行再流焊?；亓鳒囟群涂刂圃撉€的自由度比氣相焊接系統(tǒng)的傳統(tǒng)方法更高，真空在熔融焊料焊接時(shí)，能夠消除氣泡期間形成，提高可靠性，并降低PCBA的處理成本。該設(shè)備可以采用先進(jìn)的噴射法氣相焊接工作方式，根據(jù)企業(yè)不同環(huán)境溫度變化曲線的要求把一定數(shù)量的情性介質(zhì)氟油噴入處理腔中。?當(dāng)液體接觸到處理室的內(nèi)表面時(shí)，液體迅速蒸發(fā)形成蒸氣霧。流體進(jìn)入的量的控制，有可能控制由蒸氣霧攜帶的熱能，可以非常精確和期望的溫度分布的靈活控制。與傳統(tǒng)再流焊比較，具有一定可靠性高、焊點(diǎn)無空洞、缺陷率低等優(yōu)點(diǎn)。在SMT貼片加工的錫膏中常用的錫粉顆粒與助焊劑的體積之比約為1：1。中小批量貼片加工廠</p><p style="text-indent:25px">SMT貼片加工的貼裝作用是將表面組裝元器件準(zhǔn)確安裝到PCB的固定位置上。中小批量貼片加工廠</p><p style="text-indent:25px">SMT貼片流程：印刷：其作用是將焊膏或貼片膠漏印到PCB的焊盤上，為元器件的焊接做準(zhǔn)備。所用設(shè)備為印刷機(jī)（錫膏印刷機(jī)），位于SMT生產(chǎn)線的前端。點(diǎn)膠：因現(xiàn)在所用的電路板大多是雙面貼片，為防止二次回爐時(shí)投入面的元件因錫膏再次熔化而脫落，故在投入面加裝點(diǎn)膠機(jī)，它是將膠水滴到PCB的固定位置上，其主要作用是將元器件固定到PCB板上。所用設(shè)備為點(diǎn)膠機(jī)，位于SMT生產(chǎn)線的前端或檢測(cè)設(shè)備的后面。有時(shí)由于客戶要求產(chǎn)出面也需要點(diǎn)膠，而現(xiàn)在很多小工廠都不用點(diǎn)膠機(jī)，若投入面元件較大時(shí)用人工點(diǎn)膠。中小批量貼片加工廠</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(dòng)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(tái)COB邦機(jī)，全自動(dòng)固晶機(jī)、封膠機(jī)，能高效率 ***完成邦定需求。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。浩明電子作為SMT (貼片)+COB(邦定) 來料代加工，擁有8條高精密全自動(dòng)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(tái)COB邦機(jī)，全自動(dòng)固晶機(jī)、封膠機(jī)，能高效率 ***完成邦定需求。的企業(yè)之一，為客戶提供良好的smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡。浩明電子始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。浩明電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)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://m.cdcfah.com/cp/2233917.html</p></div></div></div></div></div><div id="3yxuwyt" class="page-right twoColRt"><div id="rbtvceg" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="a78xegn" class="recomPic likePro"><a href="http://m.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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="g3lnfhe" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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