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class="twoCol"><div id="m772zrt" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/second-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫存電子元器件、材料</a>?浙江貼片加工生產誠信經營中山市浩明電子科技供應</p><div id="8g2y2hv" class="leftbox clearfix"><h1>浙江貼片加工生產誠信經營中山市浩明電子科技供應</h1><div id="mg3wl3v" class="proBig"><div id="jd9hzg3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="a2neo73" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mk9ebta" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>浙江貼片加工生產,SMT貼片</p><p><span>***更新：</span>2020-12-05 06:18:07</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="dx9wjln" 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="7nsebdf" class="page-proshow02"><p class="title">詳細說明</p><div id="327hoqs" class="box"><p><p style="text-indent:25px">SMT貼片表面安裝元器件在功能上和插裝元器件沒有差別，其不同之處在于元器件的封裝。表面安裝的封裝在焊接時要經受耐高溫度的元器件和基板必須具有匹配的熱膨脹系數。表面安裝的焊點既是機械連接點又是電氣連接點，合理的選擇對提高PCB設計密度，浙江貼片加工生產、可生產性、可測試性和可靠性都產生決定性的影響。這些因素在產品設計中必須全盤考慮，浙江貼片加工生產。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對元器件的內部起保護作用，浙江貼片加工生產，免受潮濕等環(huán)境影響；4提供良好的通信聯系；幫助散熱并為傳送和測試提供方便。SMT貼片選擇合適的封裝，其優(yōu)點主要是：有效節(jié)省PCB面積。浙江貼片加工生產</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江貼片加工生產,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">SMT貼片波峰焊首件焊接并檢驗： 1、用自動上板機，或人工把PCB輕輕放在傳送帶（或夾具）上，機器自動完成噴涂助焊劑、干燥、預熱、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)標準《焊點質量評定》SJ/T10666-1995或IPC-A-610E進行首件焊接質量檢驗。根據首件焊接結果調整焊接參數，直到質量符合要求后才能進行連續(xù)批量生產。PCBA首件檢驗我們之前就已經反復強調過，其重要性不言而喻。為什么說在波峰焊后要進行首件檢測呢？其實PCBA的主要生產流程包括：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走完了生產流程的產品不加檢驗就去生產，如果出現品質異常，那么已經組裝好的產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行首件檢測，經過檢驗合格之后跟客戶確認，下一步在進行量產和批量生產才是一個可行的方案。上海樣品貼片擁有較小的組件是smt貼片的優(yōu)點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江貼片加工生產,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258666201172/1858767.png"></div><p style="text-indent:25px">SMT貼片加工模板制作工藝要求：一、對模板(焊盤)開口尺寸和形狀的修改要求。通常大于3mm的焊盤，為防止焊膏圖形發(fā)生回陷和預防錫珠，開口采用“架橋”的方式，線寬為0.4mm，使開口小于3mm，可按焊盤大小均分。各種元件對模板厚度與開口尺寸要求。 1、μBGA/CSP、?FlipChip采用方形開口比采用圓形開口的印刷質量好。 2、當使用免清洗焊膏、采用免清洗工藝時，模板的開口尺寸應縮小5%～10%： 3、無鉛工藝模板開口設計比有鉛大一些，焊膏盡可能完全覆蓋焊盤。二、適當的開口形狀可改善SMT貼片加工效果。例如，當Chip元件尺寸小于公制1005時，由于兩個焊盤之間的距離很小，貼片時兩端焊盤上的焊膏在元件底部很容易粘連，再流焊后很容易產生元件底部的橋接和焊球。因此，加工模板時可將一對矩形焊盤開口的內側修改成尖角形或弓形，減少元件底部的焊膏量，這樣可以改善貼片時元件底部的焊音粘連。</p><p style="text-indent:25px">從事SMT貼片行業(yè)以來很多的時候我們會被客戶問到，你們的貼片機怎么樣？是高速機還是什么機？是全自動的還是半自動的？你們的貼片機多少錢一臺？還有的客戶會問，大概多少錢能給架起一條SMT貼片線呢？其實不**是客戶關心關注我們的貼片機，作為SMT貼片加工廠商，貼片機就是我們吃飯的飯碗，那么如何維護好SMT貼片機，就是我們必須要考慮的問題。那么貼片機如何維護好呢？1.機械活動模組部分。如果要是超負荷的去使用，那么就需要機器長時間的不間斷運行，首先各類活動模塊的部分，就會磨損（比如：絲桿、導軌、滑塊，傳動皮帶，馬達聯軸器等），跟汽車的保養(yǎng)一樣，潤滑油這部分的保養(yǎng)就必須及時到位。如果長時間的干磨不**會降低機器在長時間在超負荷狀態(tài)下的精度對品質造成的問題，同時也會加急機器使用壽命的衰減。2.電路管網及表面處理。只要有空氣的地方就避免不了會出現灰塵和積垢，如果積垢長時間的堆積，會對電路的散熱造成致命的損害，溫度過熱會對電路的壽命產生非常大的影響。從SMT車間參觀過程來看，SMT生產工藝流程主要包括錫膏印刷、3D-SPI錫膏厚度檢測、零件貼裝等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江貼片加工生產,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。根據紅膠的這個特性，故在生產中，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物，現在隨著PCA設計與工藝的不斷改進，通孔回流焊、雙面回流焊都已實現，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。SMT有關的技術組成：電子元件、集成電路的設計制造技術。浙江貼片加工生產</p><p style="text-indent:25px">SMT貼片加工的主要目的是將表面組裝元器件準確安裝到PCB的固定位置上。浙江貼片加工生產</p><p style="text-indent:25px">電子產品采用SMT技術有什么優(yōu)點和好處？1. 電子產品可以設計的更輕薄短小，零件變得更小，電路板的體積也會變得更??；2. 設計出更先進的產品，可以讓電子產品應用到更多領域，比如CPU和智能手機；3. 適合大量生產，因為SMT技術代替了人工插件作業(yè)，以自動化貼片機來放置電子零件，所以更適合大量生產出***的產品，并且更穩(wěn)定。4. 降低生產成本，SMT整線設備基本實現了全自動化，從印刷機到貼片機再到回流焊，不*提高了產能，同時降低了人力成本。浙江貼片加工生產</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)新實現***管理的追求。浩明電子擁有一支經驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供smt貼片，智能電子鎖，藍牙系列，網絡直播聲卡。浩明電子不斷開拓創(chuàng)新，追求出色，以技術為先導，以產品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。浩明電子始終關注電子元器件行業(yè)。滿足市場需求，提高產品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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