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href="http://www.cdcfah.com/cp/second-dzyqj_dzcllbjjgj/">電子材料、零部件、結(jié)構(gòu)件</a>?<a href="http://www.cdcfah.com/cp/third-dzcllbjjgj_dzwjcl/">電子五金材料</a>?河南單面PCBA電路板公司深圳市潤(rùn)澤五洲電子供應(yīng)</p><div id="txzgikm" class="leftbox clearfix"><h1>河南單面PCBA電路板公司深圳市潤(rùn)澤五洲電子供應(yīng)</h1><div id="2hyqnzg" class="proBig"><div id="2kw8o2u" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303274233261719/8612272.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3nz9p4z" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rzwz888/637303274233261719/8612272.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="znk4a4z" 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>河南單面PCBA電路板公司,PCBA電路板</p><p><span>***更新：</span>2021-01-23 07:09:02</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="7e3sszb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市潤(rùn)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(jī): </span>0755-89884486</p><p><span>地址: </span>龍崗街道南聯(lián)瑞記路1號(hào)恒?？萍紙@A棟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="enku8g9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="yvsc2cw" class="box"><p><p style="text-indent:25px">PCBA加工中的拆焊技能介紹拆焊的基本原則：不損壞待拆除的元器件、導(dǎo)線及周?chē)脑骷徊鸷笗r(shí)不可損傷pcb上的焊盤(pán)和印制導(dǎo)線；對(duì)已判斷其損壞的電子元器件，可先剪斷引腳再拆除，可以減少損傷；盡量避免移動(dòng)其他原器件的位置，如必要，必須做好復(fù)原工作。拆焊的工作要點(diǎn)：嚴(yán)格控制加熱的溫度和時(shí)間，避免高溫?fù)p壞其他元器件。一般拆焊的時(shí)間和溫度比焊接時(shí)的要長(zhǎng)。拆焊時(shí)不要用力過(guò)猛，河南單面PCBA電路板公司。高溫下的元器件封裝強(qiáng)度下降，過(guò)力的拉、揺、扭都會(huì)損傷元器件和焊盤(pán)。吸取拆焊點(diǎn)上的焊料?？梢岳梦a工具吸取焊料，將元器件直接拔下，河南單面PCBA電路板公司，河南單面PCBA電路板公司，減少拆焊時(shí)間和損傷pcb 的可能性。PCBA是成品，PCB是裸板。河南單面PCBA電路板公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南單面PCBA電路板公司,PCBA電路板" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303274233261719/8612272.png"></div><p style="text-indent:25px">PCB與PCBA的區(qū)別。從上面的介紹就可知道，PCBA泛指的是一個(gè)加工流程，也可以理解為成品線路板，也就PCB板上的工序都完成了后才能算PCBA。而PCB則指的是一塊空的印刷線路板，上面沒(méi)有零件。電腦上打開(kāi)PCB設(shè)計(jì)圖，把短路的網(wǎng)絡(luò)點(diǎn)亮，看看什么地方離得近，容易連到一塊。特別要注意IC內(nèi)部的短路。二、如果是人工焊接，要養(yǎng)成好的習(xí)慣：1、焊接前要目視檢查一遍PCB板，并用萬(wàn)用表檢查關(guān)鍵電路（特別是電源與地）是否短路；2、每次焊接完一個(gè)芯片就用萬(wàn)用表測(cè)一下電源和地是否短路；3、焊接時(shí)不要亂甩烙鐵，如果把焊錫甩到芯片的焊腳上（特別是表貼元件），就不容易查到。山東專業(yè)PCBA電路板生產(chǎn)商無(wú)鉛焊錫用于無(wú)鉛的出口歐美等國(guó)家的產(chǎn)品焊接，它所用的工具和元器件一定是無(wú)鉛的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南單面PCBA電路板公司,PCBA電路板" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303274150800781/3060340.png"></div><p style="text-indent:25px">PCBA加工中如何區(qū)分無(wú)鉛焊錫和有鉛焊錫的焊點(diǎn)？無(wú)鉛焊錫的普遍使用，各位朋友就會(huì)猜想是不是意味著所有的PCBA板都是無(wú)鉛工藝，使用的都是無(wú)鉛焊錫呢？其實(shí)不然，并不是所有的SMT加工都是使用無(wú)鉛焊錫，因?yàn)橛袝r(shí)候，會(huì)考慮到成本問(wèn)題，或者是其他問(wèn)題，就會(huì)導(dǎo)致很多線路板生產(chǎn)廠家繼續(xù)在使用有鉛工藝。外觀方面：電路板上，有鉛焊錫的表面看上去呈先的是亮白色，而無(wú)鉛焊錫呈現(xiàn)的是淡黃色（因?yàn)闊o(wú)鉛焊錫中含有銅金屬）。手感方面：用手擦過(guò)焊錫，無(wú)鉛焊錫會(huì)在手上留下淡黃色痕跡，而有鉛焊錫留下的則是黑色痕跡。成分方面：有鉛焊錫是含錫和鉛兩種主要因素，而無(wú)鉛焊錫是含鉛量低于500PPM），無(wú)鉛焊錫一般含有錫、銀或銅金屬元素。使用方面：有鉛焊錫用于有鉛類產(chǎn)品的焊接，它所用的工具和元器件均為有鉛的。無(wú)鉛焊錫用于無(wú)鉛的出口歐美等國(guó)家的產(chǎn)品焊接，它所用的工具和元器件一定是無(wú)鉛的。</p><p style="text-indent:25px">PCBA貼片靜電管理標(biāo)準(zhǔn)。在PCBA貼片加工過(guò)程中，靜電一直是造成芯片損壞的一大重要因素。由于靜電的易產(chǎn)生性，在電子加工廠需對(duì)靜電進(jìn)行嚴(yán)格的管理，避免對(duì)電子元器件造成不必要的損失。1、設(shè)備接地通過(guò)將金屬導(dǎo)線與接地裝置連接來(lái)實(shí)現(xiàn)，將電工設(shè)備和其他生產(chǎn)設(shè)備上可能產(chǎn)生的漏電流、靜電荷以及雷電流等引入地下從而避免人身觸電和可能發(fā)生的火災(zāi)事故。2、穿戴好靜電衣、靜電鞋、靜電手環(huán)；檢測(cè)靜電衣和靜電鞋通過(guò)ESD測(cè)試，并作好記錄。PCB的特點(diǎn)：體積小、重量輕且密度高，非常適合電子設(shè)備小型化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南單面PCBA電路板公司,PCBA電路板" src="https://tyunfile.71360.com/UploadFile/rzwz888/637303273886093750/1468456.png"></div><p style="text-indent:25px">PCBA成品功能和電子產(chǎn)品成品質(zhì)量。PCBA加工是經(jīng)過(guò)SMT貼片和DIP插件等工藝將所需電子元器件焊接安裝到PCB板上的整個(gè)過(guò)程。其中所用到的電子元器件通常有以下幾種：電阻，電容，電感線圈，變壓器，二極管，三極管，場(chǎng)效應(yīng)管等，現(xiàn)在金而特電子為您逐一介紹一下各個(gè)電子元器件的功能特性。1.電阻。電阻是具有電阻特性的電子元件，是PCBA中使用比較普遍的元件之一。電阻分為固定電阻和可變電阻(電位器)，在電路中起分壓、分流和限流等作用。2.電容電容也是PCBA加工中的基礎(chǔ)元件之一，是一種貯存電能的元件，在電子電路中起到耦合、濾波、隔直流和調(diào)諧等作用。有鉛焊錫用于有鉛類產(chǎn)品的焊接，它所用的工具和元器件均為有鉛的。河南單面PCBA電路板公司</p><p style="text-indent:25px">PCBA的簡(jiǎn)單加工工藝流程：1、 PCBA加工單面表面組裝工藝：焊膏印刷—貼片—回流焊接；河南單面PCBA電路板公司</p><p style="text-indent:25px">電子產(chǎn)品的加工完成，它們的順序應(yīng)該是這樣的PCB→SMT→PCBA，PCB的生產(chǎn)是非常復(fù)雜的，SMT則相對(duì)簡(jiǎn)單，PCBA講究的是一站式服務(wù)。PCBA生產(chǎn)工序可分為幾個(gè)大的工序， SMT貼片加工→DIP插件加工→PCBA測(cè)試→成品組裝。一、SMT貼片加工環(huán)節(jié)。SMT貼片加工的工序?yàn)椋哄a膏攪拌→錫膏印刷→SPI→貼裝→回流焊接→AOI→返修。1、錫膏攪拌。將錫膏從冰箱拿出來(lái)解凍之后，使用手工或者機(jī)器進(jìn)行攪拌，以適合印刷及焊接。2、錫膏印刷將錫膏放置在鋼網(wǎng)上，通過(guò)刮刀將錫膏漏印到PCB焊盤(pán)上。河南單面PCBA電路板公司</p><p style="text-indent:25px">深圳市潤(rùn)澤五洲電子科技有限公司是一家電子產(chǎn)品設(shè)備、電子玩具、智能玩具、新能源電子產(chǎn)品及設(shè)備、電子元器件、電子零部件的技術(shù)開(kāi)發(fā)、銷售；電路板的研發(fā)、銷售；計(jì)算機(jī)軟硬件的技術(shù)開(kāi)發(fā)；國(guó)內(nèi)貿(mào)易（不含專營(yíng)、專賣(mài)、?？厣唐罚?；電子產(chǎn)品設(shè)備、電子玩具、智能玩具、新能源電子產(chǎn)品及設(shè)備、電子元器件、電子零部件、電路板的生產(chǎn)。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。潤(rùn)澤五洲擁有一支經(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)著為客戶提供方案設(shè)計(jì)，電路板加工，PCBA OEM，SMT貼片。潤(rùn)澤五洲繼續(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(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。潤(rùn)澤五洲始終關(guān)注電子元器件行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: 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