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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f8n7wyp" 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="dmov77f" 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>北京smt貼片加工電子廠,SMT貼片</p><p><span>***更新：</span>2020-11-07 09:25:54</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="crdase8" 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="wkwdpwy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="k78hy3j" class="box"><p><p style="text-indent:25px">SMT貼片中IC如何焊接的大概方法：1、將PCB電路板做好清潔并且固定好。2、給IC引腳圖上一側(cè)較邊緣位置的焊盤上錫。3、用鑷子把SMT貼片IC放在PCB電路板上設(shè)計好的位置并且固定。用電烙鐵在預(yù)先上錫的焊盤上加熱，焊好該引腳。4、仔細(xì)檢查引腳位置是否正確，若存在位置不正確的情況則需要重新焊接PCBA貼片IC。5、在確認(rèn)引腳位置正確之后將焊好的引腳對角線位置的引腳焊好，這樣可以避免在焊接其他引腳時IC發(fā)生移動引起PCBA貼片IC引腳錯位。6，北京smt貼片加工電子廠、這時候就可以焊接其他引腳了，這個過程不錯的是使用帶有放大鏡的臺燈，焊接時選用尖頭電烙鐵將IC的引線一個一個仔細(xì)焊好。7、用放大鏡檢查引腳焊接情況，是否存在虛焊橋接等情況。8、橋接處理方法：SMT貼片IC引腳密集導(dǎo)致焊接發(fā)生橋接，北京smt貼片加工電子廠，這種情況將焊錫熔化后吸走進(jìn)行重新焊接即可。這個過程要小心仔細(xì)不能損壞到引腳。9、再次用放大鏡檢查焊點，北京smt貼片加工電子廠,確保焊點合格且無粘連短路現(xiàn)象。SMT貼片有良好的潤濕性，焊接點的邊緣應(yīng)當(dāng)較薄。北京smt貼片加工電子廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京smt貼片加工電子廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258719462891/5378899.png"></div><p style="text-indent:25px">SMT貼片加工清洗劑的選擇原則： 1.有良好的潤濕性，表面進(jìn)行張力小，這樣オ能使經(jīng)過SMT貼片加工過程中表面的污染物充分提高潤濕、溶解。 2.中度毛細(xì)作用，黏度小，能夠滲透在被洗電路板元器件的縫隙中，而且又容易排出。 3.密度大，可減緩以及溶劑的揮發(fā)產(chǎn)生速度?？梢越档统杀?，減少對環(huán)境的污染。 4.高沸點，有利于蒸氣冷凝。沸點高的消洗劑安全性好，可以同時通過不斷升溫提高清洗工作效率。 5.溶解能力。溶解度也稱為貝殼杉脂丁醇值（貝殼杉脂丁醇，KB值），它是溶解的污染物的能力的溶劑的表征參數(shù)。KB值越大，溶解有機(jī)污染物的能力越來越強。 6.腐蝕性較小（腐蝕）。發(fā)生PCB焊料的包的組件，和腐蝕作用。清洗后元器件進(jìn)行表面與印制板上的字符、標(biāo)記可以保持清斷。 7.無毒（或低毒性），無害的，環(huán)境污染少。 8.安全性好，不易燃易爆。 9.成本低。smt貼片制造SMT貼片加工可靠性高、抗振能力強。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京smt貼片加工電子廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258921669922/441409.png"></div><p style="text-indent:25px">SMT貼片涂敷工藝及設(shè)備：SMT貼片進(jìn)行涂敷的主要目的是將膠水或焊膏精確地涂敷于PCB上，使貼片工序貼裝的元器件能夠粘在PCB焊盤上。按照涂數(shù)方式的不同表面涂數(shù)工藝可分為以下幾種。根據(jù)SMT貼片加工焊膏與貼片膠組成成分的不同，焊膏涂敷通常采用模板絲網(wǎng)印刷工藝、噴涂工藝、點涂工藝，貼片膠涂敷通常采用注射點涂工藝、針式轉(zhuǎn)移工藝、絲網(wǎng)模板印刷工藝，二者的優(yōu)先選擇順序也分別是模板絲網(wǎng)印工藝和注射點涂工藝。焊膏或貼片膠涂敷時，SMT加工廠大批量生產(chǎn)一般使用大型自動化設(shè)備，諸如，印刷機(jī)、點膠機(jī)、點膏機(jī)等。小批量或手工涂敷時，通常采用臺式點膠或點膏機(jī)、臺式印劇機(jī)甚至手工涂敷。</p><p style="text-indent:25px">貼片工藝：雙面組裝A：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（還不錯的*對B面 => 清洗 => 檢測 => 返修）。B：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。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京smt貼片加工電子廠,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">對于直接接觸stm貼片產(chǎn)品的操作人員，要戴防靜電手腕帶，并要求戴防靜電手腕帶的操作人員每天上、下年上班前各測試一次，以保證手腕帶與人體的良好接觸。同時，每天安排相關(guān)人員監(jiān)督檢查，并對員工進(jìn)行貼片加工防靜電方面的知識培訓(xùn)和現(xiàn)場管理。生產(chǎn)過程中手拿產(chǎn)品時，*能拿產(chǎn)品邊緣無電子元器件處;生產(chǎn)后產(chǎn)品必須裝在防靜電包裝中;安裝時，要求一次拿一塊產(chǎn)品，不允許一次拿多塊產(chǎn)品。SMT加工廠在返工操作時，必須將要修理的產(chǎn)品放在防靜電裝置中.再拿到返修工位。整個生產(chǎn)過程中用到的設(shè)備和工具都應(yīng)具有防靜電能力。SMT貼片加工之后經(jīng)過測試驗收合格的產(chǎn)品，應(yīng)用離子噴槍噴射一次再包裝起來。SMT貼片加工的優(yōu)點:組裝密度高、電子產(chǎn)品體積小、重量輕。smt貼片制造</p><p style="text-indent:25px">形形**的電器需要各種不同的smt貼片加工工藝來加工。北京smt貼片加工電子廠</p><p style="text-indent:25px">SMT貼片加工廠必須具備哪些人員？ SMT工藝工程師:確定產(chǎn)品生產(chǎn)流程，編制SMT貼片工藝、編制作業(yè)指導(dǎo)書，進(jìn)行技術(shù)培訓(xùn)，參與質(zhì)量管理等。 SMT設(shè)備工程師:負(fù)責(zé)設(shè)備的安裝和調(diào)校，設(shè)備的維護(hù)和保養(yǎng)，進(jìn)行貼片加工技術(shù)培訓(xùn)，參與質(zhì)量管理等。質(zhì)量管理工程師:負(fù)責(zé)產(chǎn)品質(zhì)量的管理，編制檢驗標(biāo)準(zhǔn)和檢驗工藝、制定檢驗作業(yè)指導(dǎo)書，進(jìn)行質(zhì)量管理培訓(xùn)等。現(xiàn)場管理:負(fù)責(zé)SMT貼片加工實施工藝和質(zhì)量管理，監(jiān)視設(shè)備運行狀態(tài)和工藝參數(shù)等。統(tǒng)計員:生產(chǎn)數(shù)據(jù)的統(tǒng)計和分析，質(zhì)量數(shù)據(jù)的統(tǒng)計和分析，參與質(zhì)量管理。設(shè)備操作員:正確和熟練操作設(shè)備，并進(jìn)行設(shè)備的日常保養(yǎng)、生產(chǎn)數(shù)據(jù)記錄、參與質(zhì)量管理等。檢驗員:SMT貼片加工廠內(nèi)負(fù)責(zé)產(chǎn)品制造的各個環(huán)節(jié)的質(zhì)量檢驗，記錄檢驗數(shù)據(jù)等。裝配焊接操作員:產(chǎn)品制造過程中的裝配、焊接、返修，參與質(zhì)量管理等。保管員:負(fù)責(zé)物料、耗材、材料、工藝裝備等的管理，參與質(zhì)量管理等。北京smt貼片加工電子廠</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，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事電子元器件多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。浩明電子秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1888472.html</p></div></div></div></div></div><div id="oikmdk3" class="page-right twoColRt"><div id="yx32cug" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xmtv7rl" 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(yīng)" 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(yīng)</p></a></div><div id="8d73rtl" class="recomPic likePro"><a 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