浙江專業(yè)的SMT貼片生產(chǎn)商深圳市潤澤五洲電子供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="smt貼片加工中焊料按其組成部分，可以分為錫鉛焊料、銀焊料、銅焊料。按照使用的環(huán)境濕度又可分為高溫焊錫(在高溫下使用的焊錫)和低溫焊錫(在低溫環(huán)境下使用的焊料)。貼片加工中為了使焊接質(zhì)量得到保障，視被焊物的不同，選用不同的焊料是重要的。在電"><meta name="keywords" content="浙江專業(yè)的SMT貼片生產(chǎn)商,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" content="no-transform" /> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ec9z3e8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273022949219/5426292.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kcgm8gp" 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)品關鍵詞：</span>浙江專業(yè)的SMT貼片生產(chǎn)商,SMT貼片</p><p><span>***更新：</span>2021-01-05 09:09:53</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="3ci3rii" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市潤澤五洲電子科技有限公司</a></p><p><span>聯(lián)系人：</span>劉路</p><p><span>郵箱: </span>6259193@qq.com</p><p><span>電話: </span>15813866860</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.run-five.com</p><p><span>手機: </span>0755-89884486</p><p><span>地址: </span>龍崗街道南聯(lián)瑞記路1號恒?？萍紙@A棟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="thux37b" class="page-proshow02"><p class="title">詳細說明</p><div id="v83lcyk" class="box"><p><p style="text-indent:25px">smt貼片加工中焊料按其組成部分，可以分為錫鉛焊料、銀焊料、銅焊料。按照使用的環(huán)境濕度又可分為高溫焊錫(在高溫下使用的焊錫)和低溫焊錫(在低溫環(huán)境下使用的焊料)。貼片加工中為了使焊接質(zhì)量得到保障，視被焊物的不同，選用不同的焊料是重要的。在電子產(chǎn)品裝配中，一般都選用錫鉛系列焊料，浙江專業(yè)的SMT貼片生產(chǎn)商，也稱焊錫。焊錫有如下的特點：具有良好的導電性：因錫、鉛焊料均屬良導體，故它的電阻很小。對元器件引線和其他導線的附著力強，不易脫落，浙江專業(yè)的SMT貼片生產(chǎn)商，浙江專業(yè)的SMT貼片生產(chǎn)商。熔點低：它在180℃時便可熔化，使用25W外熱式或20W內(nèi)熱式電烙鐵便可進行焊接。SMT貼片加工的貼裝：其作用是將表面組裝元器件準確安裝到PCB的固定位置上。浙江專業(yè)的SMT貼片生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江專業(yè)的SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273022949219/5426292.png"></div><p style="text-indent:25px">錫鉛焊料中，熔點在450℃以下的稱為軟焊料?？寡趸稿a是在工業(yè)生產(chǎn)中自動化生產(chǎn)線上使用的焊錫，如波峰焊等。這種液體焊料暴露在大氣層中時，焊料極易氧化，這樣將產(chǎn)生虛焊，會影響焊接質(zhì)量。因此，在錫鉛焊料中加入少量的活性金屬，能形成覆蓋層以保護焊料不再繼續(xù)氧化，從而提高了焊接質(zhì)量。具有一定的機械強度：因錫鉛合金的強度比純錫、純鉛的強度要高。又因電子元器件本身的重量較輕，smt貼片中對焊點的強度要求不是很高，故能滿足其焊點的強度要求。抗腐蝕性能好：焊接好的印制電路板不必涂抹任何保護層就能抵抗大氣的腐蝕，從而減少了工藝流程，降低了成本。上海專業(yè)SMT貼片廠電子科技**勢在必行，追逐國際潮流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江專業(yè)的SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273219833984/2007240.png"></div><p style="text-indent:25px">有的人可能會問接個電子元器件為什么要做到這么復雜呢?這其實是和我們的電子行業(yè)的發(fā)展是有密切的關系的, 如今,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)自動化，廠方要以低成本高產(chǎn)量，出產(chǎn)好的產(chǎn)品以迎合顧客需求及加強市場競爭力電子元件的發(fā)展，集成電路(IC)的開發(fā)，半導體材料的多元應用。電子科技**勢在必行，追逐國際潮流。可以想象,在intel,amd等國際cpu,圖象處理器件的生產(chǎn)商的生產(chǎn)工藝精進到20幾個納米的情況下,smt這種表面組裝技術和工藝的發(fā)展也是不得以而為之的情況。</p><p style="text-indent:25px">SMT 基本工藝構成要素：印刷(紅膠/錫膏)--> 檢測(可選AOI全自動或者目視檢測)-->貼裝(先貼小器件后貼大器件:分高速貼片及集成電路貼裝)-->檢測(可選AOI 光學/目視檢測)--> 焊接(采用熱風回流焊進行焊接)--> 檢測(可分AOI 光學檢測外觀及功能性測試檢測)--> 維修(使用工具:焊臺及熱風拆焊臺等)--> 分板(手工或者分板機進行切板)工藝簡化為：印刷-------貼片-------焊接-------檢修(每道工藝中均可加入檢測環(huán)節(jié)以控制質(zhì)量)錫膏印刷其作用是將錫膏呈45度角用刮刀漏印到PCB的焊盤上，為元器件的焊接做準備。所用設備為印刷機（錫膏印刷機），位于SMT生產(chǎn)線的前端。SMT節(jié)省材料、能源、設備、人力、時間等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江專業(yè)的SMT貼片生產(chǎn)商,SMT貼片" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273318037109/2211608.png"></div><p style="text-indent:25px">SMT貼片加工生產(chǎn)設備對工作環(huán)境有哪些要求呢?電源：電源電壓和功率要符合設備要求。電壓要穩(wěn)定，要求：單相AC220(220±10%，50/60 HZ);三相AC380V(220±10%，50/60 HZ)如果達不到要求，需配置穩(wěn)壓電源，電源的功率要大于功耗的一倍以上。溫度：環(huán)境溫度：23±3℃為佳。一般為17～28℃。極限溫度為15～35℃(印刷工作間環(huán)境溫度為23±3℃為佳)濕度：相對濕度：45。工作環(huán)境：工作間保持清潔衛(wèi)生，無塵土、無腐蝕性氣體?？諝馇鍧嵍葹?00000級(BGJ73-84)。在空調(diào)環(huán)境下，要有一定的新風量，盡量將CO2含量控制在1000PPM以下，CO含量控制10PPM以下，以保證人體健康。防靜電：生產(chǎn)設備必須接地良好，應采用三相五線接地法并**接地。生產(chǎn)場所的地面、工作臺墊、坐椅等均應符合防靜電要求。排風：再流焊和波峰焊設備都有排風要求。照明：廠房內(nèi)應有良好的照明條件，理想的照度為800LUX×1200LUX,至少不能低于300LUX。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。上海專業(yè)SMT貼片廠</p><p style="text-indent:25px">SMT貼片加工價錢計算目前幾乎處于通明階段，幾錢一個點的算法很復雜。浙江專業(yè)的SMT貼片生產(chǎn)商</p><p style="text-indent:25px">貼片工藝單面組裝：來料檢測 => 絲印焊膏(點貼片膠)=> 貼片 => 烘干(固化)=> 回流焊接 =>清洗 => 檢測 => 返修。雙面組裝：來料檢測 => PCB的A面絲印焊膏(點貼片膠)=> 貼片 PCB的B面絲印焊膏(點貼片膠)=> 貼片 =>烘干 => 回流焊接(好*對B面 => 清洗 => 檢測 => 返修)。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面點貼片膠 => 貼片 => 固化 =>B面波峰焊 => 清洗 => 檢測 => 返修)。此工藝適用于在PCB的A面回流焊，B面波峰焊。在PCB的B面組裝的SMD中，只有SOT或SOIC(28)引腳以下時，宜采用此工藝。浙江專業(yè)的SMT貼片生產(chǎn)商</p><p style="text-indent:25px">深圳市潤澤五洲電子科技有限公司致力于電子元器件，是一家生產(chǎn)型公司。公司業(yè)務分為方案設計，電路板加工，PCBA OEM，SMT貼片等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產(chǎn)品和服務。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，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/2714278.html</p></div></div></div></div></div><div id="ey8se83" class="page-right twoColRt"><div id="2s8xo7i" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m8xj8fg" 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="qdhcjv2" class="recomPic 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