江蘇貼片電解電容廠家誠信互利中山市浩明電子科技供應-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貼片工藝中，首先對物料進行檢驗，檢查物料的用量、規(guī)格、型號、品質(zhì)、性能是否符合要求；接著刷錫膏，錫膏需要解凍，江蘇貼片電解電容廠家、拌勻，鋼網(wǎng)調(diào)校、錫膏印刷，江蘇貼片電解電容廠家、檢查膏面均勻?qū)φ?；接著使用貼片機進行貼片工藝，需要注意"><meta name="keywords" content="江蘇貼片電解電容廠家,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" /> <meta 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id="qubtfce" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258616425782/2441777.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8wgik74" 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>江蘇貼片電解電容廠家,SMT貼片</p><p><span>***更新：</span>2020-12-19 03:11:21</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="au8ikwi" 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: </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="pegnkwt" class="page-proshow02"><p class="title">詳細說明</p><div id="8ujgiax" class="box"><p><p style="text-indent:25px">SMT貼片工藝中，首先對物料進行檢驗，檢查物料的用量、規(guī)格、型號、品質(zhì)、性能是否符合要求；接著刷錫膏，錫膏需要解凍，江蘇貼片電解電容廠家、拌勻，鋼網(wǎng)調(diào)校、錫膏印刷，江蘇貼片電解電容廠家、檢查膏面均勻?qū)φ唤又褂觅N片機進行貼片工藝，需要注意位置，江蘇貼片電解電容廠家、型號、方向、極性、整齊度；為了保證PCB板的品質(zhì)，新品檢員必須以無錯件、錯極、漏件、錯位的高標準要求檢查PCB板的貼面，錫膏必須均勻著附好，元件必須高低平整對齊；其次將經(jīng)檢驗合格的PCB板過回流焊，進行250°高溫凝固也就是俗稱回流焊，貼片完成后還要進行AOI的影像檢測，避免在SMT貼片中造成的錯料混料假焊。中山附近有哪些SMT貼片廠？江蘇貼片電解電容廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電解電容廠家,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258616425782/2441777.png"></div><p style="text-indent:25px">SMT貼片紅膠是一種聚稀化合物，主要成份為基料（即主體高份子材料）、填料、固化劑、其它助劑等。SMT貼片紅膠具有粘度流動性，溫度特性，潤濕特性等。根據(jù)紅膠的這個特性，故在生產(chǎn)中，利用紅膠的目的就是使零件牢固地粘貼于PCB表面，防止其掉落。因此貼片膠是屬于純消耗非必需的工藝過程產(chǎn)物，現(xiàn)在隨著PCA設(shè)計與工藝的不斷改進，通孔回流焊、雙面回流焊都已實現(xiàn)，用到貼片膠的PCA貼裝工藝呈越來越少的趨勢。SMT貼片膠的儲存：在室溫下可儲存7天，在小于5℃時儲存大于個6月，在5～25℃可儲存大于30天。江蘇尋找smt貼片加工廠SMT是表面組裝技術(shù)（表面貼裝技術(shù)），是目前電子組裝行業(yè)里非常流行的一種技術(shù)和工藝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電解電容廠家,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258632216797/5876714.png"></div><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。不過首先，需求明白“點”的概念，不同的公司采用的算法不同，但針對一塊PCB板來講，開始的SMT貼片加工費用總價是一樣的。SMT貼片加工的次要目的是將貼片元器件貼裝到PCB的焊盤上，有的公司將一個焊盤計算為一個點，但也有將兩個焊點（例如一個0201的貼片電阻）計作一個點的情況。以焊盤計算為一個點為例。只需求計算PCB板上一切的焊盤數(shù)即可，但是遇到一些特殊的元器件，比如電感、大的電容、IC等。</p><p style="text-indent:25px">SMT貼片膠的管理：由于SMT貼片紅膠受溫度影響用本身粘度，流動性，潤濕等特性，所以SMT貼片紅膠要有一定的使用條件和規(guī)范的管理。1)紅膠要有特定流水編號，根據(jù)進料數(shù)量、日期、種類來編號。2)紅膠要放在2～8℃的冰箱中保存，防止由于溫度變化，影響特性。3)紅膠回溫要求在室溫下回溫4小時，按先進先出的順序使用。4)對于點膠作業(yè)，膠管紅膠要脫泡，對于一次性未用完的紅膠應放回冰箱保存，舊膠與新膠不能混用。5)要準確地填寫回溫記錄表，回溫人及回溫時間，使用者需確認回溫完成后方可使用。通常，紅膠不可使用過期的。SMT貼片加工設(shè)備工藝流程：模板：(鋼網(wǎng)) 首先根據(jù)所設(shè)計的PCB確定是否加工模板。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電解電容廠家,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258831015625/5527413.png"></div><p style="text-indent:25px">SMT貼片零件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。所用設(shè)備為貼片機，位于SMT生產(chǎn)線中印刷機的后面，一般為高速機和泛用機按照生產(chǎn)需求搭配使用?；亓骱附悠渥饔檬菍⒑父嗳诨贡砻娼M裝元器件與PCB板牢固焊接在一起。所用設(shè)備為回流焊爐，位于SMT生產(chǎn)線中貼片機的后面，對于溫度要求相當嚴格，需要實時進行溫度量測，所量測的溫度以profile的形式體現(xiàn)。AOI光學檢測其作用是對焊接好的PCB板進行焊接質(zhì)量的檢測。所使用到的設(shè)備為自動光學檢測機（AOI），位置根據(jù)檢測的需要，可以配置在生產(chǎn)線合適的地方。有些在回流焊接前，有的在回流焊接后維修。貼裝所用設(shè)備為貼片機，位于SMT生產(chǎn)線中絲印機的后面。江蘇貼片電解電容廠家</p><p style="text-indent:25px">SMT貼片表面需要完整而平滑光亮，不能有缺陷。江蘇貼片電解電容廠家</p><p style="text-indent:25px">SMT貼片選擇合適的封裝，其優(yōu)點主要是：1）有效節(jié)省PCB面積；2）提供更好的電學性能；3）對元器件的內(nèi)部起保護作用，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”，采用再流焊時易發(fā)生滾動，需采用特殊焊盤設(shè)計，一般應避免使用。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。江蘇貼片電解電容廠家</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2464221.html</p></div></div></div></div></div><div id="yikr8gi" class="page-right twoColRt"><div id="ixphrya" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nxzgd84" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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