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id="7gcyul3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="0tpg8pr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q37lawp" 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>廣州大批量SMT貼片工藝,SMT貼片</p><p><span>***更新：</span>2021-02-01 09:13:04</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hm3gx8n" 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="7h8gwi3" class="page-proshow02"><p class="title">詳細說明</p><div id="dqhyk3j" class="box"><p><p style="text-indent:25px">SMT貼片機的維護和保養(yǎng)是整個PCBA制造工序中的重要事情。特別是機械和電子儀器的保養(yǎng)。所有機械部分的維護包括貼裝頭、吸嘴、空氣壓力、潤滑等的的維護。1.貼裝頭：空氣通道一為了保證機器的精確性和安裝速度，要求定期清潔空氣通道（從空氣過濾組件到吸嘴托進行吹氣）。空氣過濾器一一每星期將空氣過濾器從空氣過濾組件中拿出一次，査看其污染情況。如果被灰塵堵塞，予以更換。2.吸嘴：如果吸嘴有污物，如焊料，堵在吸嘴里，廣州大批量SMT貼片工藝，吸氣就不會有力。如果在吸嘴的底面有污物，會造成漏氣，廣州大批量SMT貼片工藝，同時造成進行圖像處理時，系統(tǒng)不能識別較小的元件。用酒精清潔吸嘴，廣州大批量SMT貼片工藝，用吹風機吹去灰塵（每周至少一次）。檢查橡膠吸墊是否有裂縫和污染。SMT貼片加工清洗劑的選擇原則是：有良好的潤濕性，表面進行張力小。廣州大批量SMT貼片工藝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州大批量SMT貼片工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258778203125/6865220.png"></div><p style="text-indent:25px">SMT貼片生產(chǎn)前的準備：元件位置圖在生產(chǎn)之前必須全部做好，且需打一份原始BOM與工程提供的清單(A、B面分開)進行核對，確保無少料、錯料、多料現(xiàn)象。然后將元件位置圖上有極性元件的方向與PCB空板進行核對。檢查來料的品質(zhì)狀態(tài)（標識上有無QAPASS章，是否為緊急放行物料）。首件制作與確認：轉(zhuǎn)線/ECN工程方案變更/新機型試產(chǎn)時需完成首件制作與確認，否則不得開機生產(chǎn)。在制作首件核對過程中，如果為舊型號轉(zhuǎn)線，則產(chǎn)線先開機生產(chǎn)，但所生產(chǎn)的板不過回流爐，待首件核對確認無誤之后再正常過爐生產(chǎn)；如果是新機型轉(zhuǎn)線，則必須首件核對確認無誤之后才可以開機正常生產(chǎn)。北京專業(yè)smt貼片加工價格貼片元件的體積和重量只有傳統(tǒng)插裝元件的1/10左右。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州大批量SMT貼片工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258632216797/5876714.png"></div><p style="text-indent:25px">SMT貼片加工廠必須要具備哪些人員？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)指導書，進行技術培訓，參與質(zhì)量管理等。SMT設備工程師:負責設備的安裝和調(diào)校，設備的維護和保養(yǎng)，進行貼片加工技術培訓，參與質(zhì)量管理等。質(zhì)量管理工程師:負責產(chǎn)品質(zhì)量的管理，編制檢驗標準和檢驗工藝、制定檢驗作業(yè)指導書，進行質(zhì)量管理培訓等?，F(xiàn)場管理:負責SMT貼片加工實施工藝和質(zhì)量管理，監(jiān)視設備運行狀態(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。設備操作員:正確和熟練操作設備，并進行設備的日常保養(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)負責產(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:負責物料、耗材、材料、工藝裝備等的管理，參與質(zhì)量管理等。</p><p style="text-indent:25px">SMT貼片加工中出現(xiàn)元器件移位的原因是什么呢？1.錫膏本身的粘性不夠，元器件在搬運時發(fā)生振蕩、搖晃等問題而造成了元器件移位。2、焊膏中焊劑含量太高，在回流焊過程中過多的焊劑的流動導致了元器件的移位。3、元器件在印刷、貼片后的搬運過程中由于振動或是不正確的搬運方式引起了元器件移位。4、貼片加工時，吸嘴的氣壓沒有調(diào)整好，壓力不夠，造成元器件移位。5、貼片機本身的機械問題造成了元器件的安放位置不對。SMT貼片加工中一旦出現(xiàn)元器件移位，就會影響電路板的使用性能，因此在加工過程中就需要了解元器件移位的原因，并針對性進行解決。SMT貼片的檢測內(nèi)容主要分為來料檢測、工序檢測及表面組裝板檢測等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州大批量SMT貼片工藝,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258666201172/1858767.png"></div><p style="text-indent:25px">SMT貼片加工清洗劑的選擇原則是：1.有良好的潤濕性，表面進行張力小，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?？梢越档统杀荆瑴p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，溶解有機污染物的能力越來越強。6.腐蝕性較?。ǜg）。發(fā)生PCB焊料的包的組件，和腐蝕作用。清洗后元器件進行表面與印制板上的字符、標記可以保持清斷。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。在一般選擇了SMT貼片加工之后，相應的功能情況下電子產(chǎn)品的整體體積會減少40%~60%。順德電子SMT貼片廠家</p><p style="text-indent:25px">需要定期檢查STM貼片加工廠內(nèi)外的接地系統(tǒng)。廣州大批量SMT貼片工藝</p><p style="text-indent:25px">IPQC需利用電橋（LCR表）、萬用表和貼片位置圖來檢查首件，用電橋測量電容和0402電阻的容值、阻值是否與BOM一致，再檢查元器件的絲印、方向是否與stm貼片位置圖一致。在測試首件的過程中，我們用貼片位置圖（必須是執(zhí)行較新ECN的）上的參數(shù)來核對PCB上元器件的參數(shù)。所有的電容需用LCR表測試，在測的時候盡量按同一個方向測試，以免有漏測現(xiàn)象。如是0402的電阻也需用LCR表測試，大于0402的電阻及其它物料需核對其絲印、方向是否正確，物料的方向一般以PCB板方向為標準（如果貼片位置圖的方向與PCB的方向不一致時，需找相關人員確認），確保無多料、少料、錯件、錯位、反向、移位等不良現(xiàn)象。廣州大批量SMT貼片工藝</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3110546.html</p></div></div></div></div></div><div id="aduavle" class="page-right twoColRt"><div id="ex8ghnj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="exodu3p" 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="zxi3wxy" class="recomPic 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