SMT上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)機(ji)(ji)(ji)簡介：上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)機(ji)(ji)(ji)全(quan)稱：全(quan)自(zi)(zi)動吸(xi)送(song)(song)一體(ti)上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)機(ji)(ji)(ji)，從字(zi)面上(shang)(shang)即可(ke)理(li)解，它(ta)可(ke)以滿足(zu)pcb光板(ban)(ban)(ban)(ban)(ban)(ban)與半成品(pin)的(de)全(quan)自(zi)(zi)動送(song)(song)板(ban)(ban)(ban)(ban)(ban)(ban)需求(qiu)，并且能根據(ju)pcb板(ban)(ban)(ban)(ban)(ban)(ban)的(de)寬度(du)去調整設備(bei)軌(gui)道的(de)寬度(du)。是SMT工藝流程的(de)第一步，分布在SMT段的(de)首(shou)先位置，給錫膏印(yin)刷機(ji)(ji)(ji)供板(ban)(ban)(ban)(ban)(ban)(ban)印(yin)刷。SMT上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)機(ji)(ji)(ji)工作原理(li)：將(jiang)存儲(chu)在周(zhou)轉箱內的(de)pcb板(ban)(ban)(ban)(ban)(ban)(ban)逐一傳送(song)(song)到生產(chan)線上(shang)(shang)，當全(quan)部傳送(song)(song)完畢后(hou)，空(kong)周(zhou)轉箱自(zi)(zi)動下(xia)沉(chen)，取而代之的(de)是下(xia)一個周(zhou)轉箱，從而實現(xian)全(quan)自(zi)(zi)動上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)。有效的(de)節省人力，管理(li)PCB板(ban)(ban)(ban)(ban)(ban)(ban)等(deng)等(deng)。SMT上(shang)(shang)板(ban)(ban)(ban)(ban)(ban)(ban)機(ji)(ji)(ji)操作流程：在pcb板(ban)(ban)(ban)(ban)(ban)(ban)拆包后(hou)，根據(ju)印(yin)刷機(ji)(ji)(ji)的(de)進板(ban)(ban)(ban)(ban)(ban)(ban)方向，統一放置在設備(bei)吸(xi)料區，設置成自(zi)(zi)動吸(xi)板(ban)(ban)(ban)(ban)(ban)(ban)，這(zhe)個時候設備(bei)就能自(zi)(zi)動運行了(le)。SMT工藝特點及詳細生產(chan)工藝流程。湖北電(dian)子SMT貼片加(jia)工

SMT貼(tie)片(pian)(pian)加(jia)工(gong)(gong)常(chang)(chang)見(jian)品質(zhi)問題(ti)包括漏(lou)件(jian)、側件(jian)、翻(fan)件(jian)、元件(jian)偏位、元件(jian)損耗等。接下(xia)來為(wei)大家介紹(shao)SMT貼(tie)片(pian)(pian)加(jia)工(gong)(gong)常(chang)(chang)見(jian)品質(zhi)問題(ti)及解決(jue)方法。SMT貼(tie)片(pian)(pian)加(jia)工(gong)(gong)漏(lou)件(jian)常(chang)(chang)見(jian)原因：1.部件(jian)吸(xi)嘴(zui)氣道堵(du)塞(sai)，吸(xi)嘴(zui)損壞，吸(xi)嘴(zui)高度不(bu)正確；2.SMT設(she)備的(de)真空氣路(lu)被打(da)破(po)并堵(du)塞(sai)；3.電(dian)(dian)路(lu)板庫存(cun)(cun)不(bu)足(zu)，變(bian)形嚴重；4.線路(lu)板的(de)焊盤上沒有焊膏(gao)或(huo)焊膏(gao)過少；5.零件(jian)質(zhi)量(liang)問題(ti)，同一品種(zhong)厚(hou)度不(bu)一致；6.在SMT加(jia)工(gong)(gong)中(zhong)使用(yong)的(de)SMT調用(yong)程序存(cun)(cun)在誤差(cha)(cha)和遺漏(lou)，或(huo)者(zhe)在編程中(zhong)組件(jian)厚(hou)度參數的(de)選擇存(cun)(cun)在誤差(cha)(cha)；7.人為(wei)因素在不(bu)經意間被觸動。安徽(hui)PCBASMT貼(tie)片(pian)(pian)廠SMT基(ji)礎知識,非常(chang)(chang)實用(yong)的(de)電(dian)(dian)子元件(jian)表面貼(tie)裝技術。

SMT貼(tie)片的(de)(de)(de)(de)(de)工藝流(liu)(liu)程(cheng)構成要素(su)：絲印(yin)(yin)，檢(jian)(jian)(jian)驗(yan)，貼(tie)片，回流(liu)(liu)焊(han)(han)(han)(han)接，清(qing)洗(xi)，檢(jian)(jian)(jian)驗(yan)，維(wei)修。1、絲印(yin)(yin)：將助(zhu)(zhu)焊(han)(han)(han)(han)膏或貼(tie)片膠印(yin)(yin)到線(xian)(xian)(xian)路板(ban)的(de)(de)(de)(de)(de)焊(han)(han)(han)(han)盤上，為器(qi)件的(de)(de)(de)(de)(de)電焊(han)(han)(han)(han)焊(han)(han)(han)(han)接作好準備。應用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)設(she)(she)(she)(she)(she)備位(wei)于SMT生(sheng)產(chan)(chan)流(liu)(liu)水線(xian)(xian)(xian)前端的(de)(de)(de)(de)(de)(鋼網印(yin)(yin)刷(shua)(shua)(shua)(shua)設(she)(she)(she)(she)(she)備)。2、檢(jian)(jian)(jian)驗(yan)：檢(jian)(jian)(jian)驗(yan)印(yin)(yin)刷(shua)(shua)(shua)(shua)設(she)(she)(she)(she)(she)備上錫(xi)膏印(yin)(yin)刷(shua)(shua)(shua)(shua)的(de)(de)(de)(de)(de)品質，檢(jian)(jian)(jian)查PCB板(ban)上印(yin)(yin)刷(shua)(shua)(shua)(shua)的(de)(de)(de)(de)(de)錫(xi)量(liang)及助(zhu)(zhu)焊(han)(han)(han)(han)膏所在(zai)(zai)(zai)(zai)的(de)(de)(de)(de)(de)位(wei)置，檢(jian)(jian)(jian)查錫(xi)膏印(yin)(yin)刷(shua)(shua)(shua)(shua)的(de)(de)(de)(de)(de)平面度及厚度，檢(jian)(jian)(jian)查錫(xi)膏印(yin)(yin)刷(shua)(shua)(shua)(shua)是否(fou)存在(zai)(zai)(zai)(zai)偏移，印(yin)(yin)刷(shua)(shua)(shua)(shua)設(she)(she)(she)(she)(she)備上助(zhu)(zhu)焊(han)(han)(han)(han)膏鋼網脫模是否(fou)存在(zai)(zai)(zai)(zai)拉尖狀況等，所使用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)設(she)(she)(she)(she)(she)備是(SPI)錫(xi)膏測厚儀(yi)。3、貼(tie)片：其(qi)作用(yong)(yong)(yong)(yong)(yong)是把表層安裝部(bu)件裝配到PCB的(de)(de)(de)(de)(de)固定(ding)點。所使用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)設(she)(she)(she)(she)(she)備是SMT生(sheng)產(chan)(chan)流(liu)(liu)水線(xian)(xian)(xian)絲網印(yin)(yin)刷(shua)(shua)(shua)(shua)機(ji)(ji)(ji)后邊的(de)(de)(de)(de)(de)一(yi)(yi)臺smt貼(tie)片機(ji)(ji)(ji)。4、回流(liu)(liu)焊(han)(han)(han)(han)接：其(qi)作用(yong)(yong)(yong)(yong)(yong)就(jiu)是熔化(hua)焊(han)(han)(han)(han)錫(xi)膏，使表層安裝部(bu)件與PCB板(ban)緊密的(de)(de)(de)(de)(de)黏(nian)合(he)在(zai)(zai)(zai)(zai)一(yi)(yi)塊。應用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)設(she)(she)(she)(she)(she)備為SMT生(sheng)產(chan)(chan)流(liu)(liu)水線(xian)(xian)(xian)，smt貼(tie)片機(ji)(ji)(ji)后邊的(de)(de)(de)(de)(de)回流(liu)(liu)焊(han)(han)(han)(han)爐。5、清(qing)洗(xi)：其(qi)作用(yong)(yong)(yong)(yong)(yong)就(jiu)是清(qing)洗(xi)組(zu)裝好的(de)(de)(de)(de)(de)PCB板(ban)上有害物質電焊(han)(han)(han)(han)焊(han)(han)(han)(han)接殘余，松香助(zhu)(zhu)焊(han)(han)(han)(han)劑等。應用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)設(she)(she)(she)(she)(she)備為清(qing)洗(xi)設(she)(she)(she)(she)(she)備，具置可不(bu)固定(ding)，可在(zai)(zai)(zai)(zai)線(xian)(xian)(xian)或不(bu)在(zai)(zai)(zai)(zai)線(xian)(xian)(xian)。6、檢(jian)(jian)(jian)驗(yan)：其(qi)作用(yong)(yong)(yong)(yong)(yong)是檢(jian)(jian)(jian)驗(yan)組(zu)裝PCB板(ban)的(de)(de)(de)(de)(de)焊(han)(han)(han)(han)接質量(liang)和安裝品質。應用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)機(ji)(ji)(ji)械(xie)設(she)(she)(she)(she)(she)備包含(han)高倍(bei)放大鏡、光(guang)學顯微鏡、在(zai)(zai)(zai)(zai)線(xian)(xian)(xian)測試(shi)(ICT)、自動光(guang)學檢(jian)(jian)(jian)測(AOI)。可以根據檢(jian)(jian)(jian)測的(de)(de)(de)(de)(de)需要，配置生(sheng)產(chan)(chan)流(liu)(liu)水線(xian)(xian)(xian)適當所在(zai)(zai)(zai)(zai)的(de)(de)(de)(de)(de)位(wei)置。7、維(wei)修：其(qi)作用(yong)(yong)(yong)(yong)(yong)就(jiu)是修補檢(jian)(jian)(jian)驗(yan)出現故障的(de)(de)(de)(de)(de)PCB板(ban)。

SMT貼(tie)片(pian)(pian)(pian)(pian)膠經(jing)常會出現(xian)哪些缺陷問題(ti)？SMT貼(tie)片(pian)(pian)(pian)(pian)元器件偏(pian)移(yi)是(shi)(shi)(shi)高(gao)速貼(tie)片(pian)(pian)(pian)(pian)機容(rong)易(yi)(yi)發生(sheng)的(de)(de)(de)不(bu)(bu)良(liang)現(xian)象,造(zao)(zao)成的(de)(de)(de)原(yuan)因(yin)(yin)主要是(shi)(shi)(shi):是(shi)(shi)(shi)印制(zhi)板高(gao)速移(yi)動時(shi)(shi)X-Y方向產(chan)生(sheng)的(de)(de)(de)偏(pian)移(yi),貼(tie)片(pian)(pian)(pian)(pian)膠涂(tu)布面積小(xiao)的(de)(de)(de)元器件上容(rong)易(yi)(yi)發生(sheng)這(zhe)種現(xian)象,究其原(yuan)因(yin)(yin),是(shi)(shi)(shi)粘(zhan)(zhan)接(jie)力(li)不(bu)(bu)中造(zao)(zao)成的(de)(de)(de)。是(shi)(shi)(shi)元器件下(xia)膠量(liang)(liang)不(bu)(bu)一致(比如:IC下(xia)面的(de)(de)(de)2個(ge)膠點,一個(ge)膠點大一個(ge)膠點小(xiao)),膠在受(shou)熱(re)固(gu)化(hua)(hua)(hua)時(shi)(shi)力(li)度(du)不(bu)(bu)均衡,膠量(liang)(liang)少的(de)(de)(de)一端容(rong)易(yi)(yi)偏(pian)移(yi)。過(guo)波(bo)(bo)峰焊掉件造(zao)(zao)成的(de)(de)(de)原(yuan)因(yin)(yin)很(hen)(hen)復(fu)雜(za):貼(tie)片(pian)(pian)(pian)(pian)膠的(de)(de)(de)粘(zhan)(zhan)接(jie)力(li)不(bu)(bu)夠(gou)(gou)。過(guo)波(bo)(bo)峰焊前(qian)受(shou)到過(guo)撞擊。部(bu)分(fen)(fen)元件上殘留物較多。膠體(ti)不(bu)(bu)耐(nai)高(gao)溫(wen)沖擊。貼(tie)片(pian)(pian)(pian)(pian)膠混(hun)用(yong),不(bu)(bu)同廠家的(de)(de)(de)貼(tie)片(pian)(pian)(pian)(pian)膠在化(hua)(hua)(hua)學成分(fen)(fen)上有很(hen)(hen)大的(de)(de)(de)不(bu)(bu)同,混(hun)合使用(yong)容(rong)易(yi)(yi)產(chan)生(sheng)很(hen)(hen)多不(bu)(bu)良(liang):固(gu)化(hua)(hua)(hua)困難;粘(zhan)(zhan)接(jie)力(li)不(bu)(bu)夠(gou)(gou);過(guo)波(bo)(bo)峰焊掉件嚴重(zhong)。解決方法是(shi)(shi)(shi):徹(che)底清(qing)洗(xi)網(wang)板、刮(gua)刀、點膠頭等容(rong)易(yi)(yi)引(yin)起混(hun)用(yong)的(de)(de)(de)部(bu)位,避免混(hun)合使用(yong)不(bu)(bu)同品牌貼(tie)片(pian)(pian)(pian)(pian)膠。0603電容(rong)的(de)(de)(de)推(tui)(tui)力(li)強(qiang)(qiang)度(du)要求是(shi)(shi)(shi)1。0KG,電阻是(shi)(shi)(shi)1。5KG,0805電容(rong)的(de)(de)(de)推(tui)(tui)力(li)強(qiang)(qiang)度(du)是(shi)(shi)(shi)1。5KG,電阻是(shi)(shi)(shi)2。0KG,達(da)不(bu)(bu)到上述推(tui)(tui)力(li),說明強(qiang)(qiang)度(du)不(bu)(bu)夠(gou)(gou)。推(tui)(tui)力(li)不(bu)(bu)夠(gou)(gou)原(yuan)因(yin)(yin):膠量(liang)(liang)不(bu)(bu)夠(gou)(gou),膠體(ti)沒有固(gu)化(hua)(hua)(hua),PCB板或者元器件受(shou)到污染,膠體(ti)本身較脆,無(wu)強(qiang)(qiang)度(du)。SMT工藝制(zhi)程(cheng)詳(xiang)細(xi)流程(cheng)圖。

SMT貼(tie)(tie)(tie)片(pian)機(ji)在(zai)線(xian)編程(cheng)(cheng)，對(dui)于已(yi)經完成離(li)線(xian)編程(cheng)(cheng)的(de)(de)產品(pin)，可直接調出(chu)產品(pin)程(cheng)(cheng)序(xu)(xu)，對(dui)于沒有CAD坐(zuo)標文件的(de)(de)產品(pin)，可采用在(zai)線(xian)編程(cheng)(cheng)。在(zai)線(xian)編程(cheng)(cheng)是(shi)在(zai)貼(tie)(tie)(tie)片(pian)機(ji)上人工(gong)(gong)輸入(ru)拾(shi)(shi)片(pian)和貼(tie)(tie)(tie)片(pian)程(cheng)(cheng)序(xu)(xu)的(de)(de)過(guo)程(cheng)(cheng)。拾(shi)(shi)片(pian)程(cheng)(cheng)序(xu)(xu)完全(quan)由人工(gong)(gong)編制并輸入(ru)，貼(tie)(tie)(tie)片(pian)程(cheng)(cheng)序(xu)(xu)是(shi)通過(guo)教學攝(she)像機(ji)對(dui)PCB上每(mei)個貼(tie)(tie)(tie)片(pian)元器件貼(tie)(tie)(tie)裝(zhuang)(zhuang)位置的(de)(de)精確攝(she)像，自(zi)動計算元器件中(zhong)心坐(zuo)標（貼(tie)(tie)(tie)裝(zhuang)(zhuang)位置），并記錄到貼(tie)(tie)(tie)片(pian)程(cheng)(cheng)序(xu)(xu)表中(zhong)，然后通過(guo)人工(gong)(gong)優(you)化而成。安裝(zhuang)(zhuang)SMT貼(tie)(tie)(tie)片(pian)機(ji)供(gong)料(liao)器，1、按照(zhao)(zhao)離(li)線(xian)編程(cheng)(cheng)或(huo)在(zai)線(xian)編程(cheng)(cheng)編制的(de)(de)拾(shi)(shi)片(pian)程(cheng)(cheng)序(xu)(xu)表，將各種元器件安裝(zhuang)(zhuang)到貼(tie)(tie)(tie)片(pian)機(ji)的(de)(de)料(liao)站(zhan)上。2、安裝(zhuang)(zhuang)供(gong)料(liao)器時必須(xu)按照(zhao)(zhao)要求安裝(zhuang)(zhuang)到位。3、安裝(zhuang)(zhuang)完畢，必須(xu)由檢驗人員檢查，確保正確無誤后才能進行試貼(tie)(tie)(tie)和生產。SMT貼(tie)(tie)(tie)片(pian)加工(gong)(gong)常見品(pin)質問題及(ji)解決方法介紹(shao)。武漢電路板(ban)SMT貼(tie)(tie)(tie)片(pian)OEM

大(da)神們,SMT車間的電(dian)子料料帶怎么處理？湖北電(dian)子SMT貼片加工

SMT貼片(pian)指(zhi)的(de)(de)(de)是(shi)(shi)在(zai)PCB基礎上進行(xing)加(jia)工(gong)(gong)的(de)(de)(de)系(xi)列工(gong)(gong)藝(yi)流(liu)程的(de)(de)(de)簡(jian)稱。PCB（PrintedCircuitBoard)為(wei)印刷電(dian)(dian)(dian)路(lu)(lu)板。SMT是(shi)(shi)表(biao)面(mian)(mian)(mian)(mian)組裝(zhuang)(zhuang)(zhuang)(zhuang)技術(shu)(shu)（表(biao)面(mian)(mian)(mian)(mian)貼裝(zhuang)(zhuang)(zhuang)(zhuang)技術(shu)(shu)）（SurfaceMountedTechnology的(de)(de)(de)縮寫(xie)），是(shi)(shi)電(dian)(dian)(dian)子(zi)組裝(zhuang)(zhuang)(zhuang)(zhuang)行(xing)業里當下流(liu)行(xing)的(de)(de)(de)一(yi)種(zhong)技術(shu)(shu)和工(gong)(gong)藝(yi)。電(dian)(dian)(dian)子(zi)電(dian)(dian)(dian)路(lu)(lu)表(biao)面(mian)(mian)(mian)(mian)組裝(zhuang)(zhuang)(zhuang)(zhuang)技術(shu)(shu)（SurfaceMountTechnology，SMT），稱為(wei)表(biao)面(mian)(mian)(mian)(mian)貼裝(zhuang)(zhuang)(zhuang)(zhuang)或表(biao)面(mian)(mian)(mian)(mian)安裝(zhuang)(zhuang)(zhuang)(zhuang)技術(shu)(shu)。它是(shi)(shi)一(yi)種(zhong)將(jiang)無引腳或短引線表(biao)面(mian)(mian)(mian)(mian)組裝(zhuang)(zhuang)(zhuang)(zhuang)元(yuan)器件（簡(jian)稱SMC/SMD，中(zhong)文稱片(pian)狀元(yuan)器件）安裝(zhuang)(zhuang)(zhuang)(zhuang)在(zai)印制電(dian)(dian)(dian)路(lu)(lu)板（PrintedCircuitBoard，PCB)的(de)(de)(de)表(biao)面(mian)(mian)(mian)(mian)或其它基板的(de)(de)(de)表(biao)面(mian)(mian)(mian)(mian)上，通過再(zai)流(liu)焊或浸焊等(deng)方(fang)法加(jia)以(yi)焊接(jie)組裝(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)(de)電(dian)(dian)(dian)路(lu)(lu)裝(zhuang)(zhuang)(zhuang)(zhuang)連(lian)技術(shu)(shu)。在(zai)通常情況(kuang)下我們用的(de)(de)(de)電(dian)(dian)(dian)子(zi)產品都是(shi)(shi)由pcb加(jia)上各種(zhong)電(dian)(dian)(dian)容，電(dian)(dian)(dian)阻等(deng)電(dian)(dian)(dian)子(zi)元(yuan)器件按設計(ji)的(de)(de)(de)電(dian)(dian)(dian)路(lu)(lu)圖設計(ji)而成的(de)(de)(de),所以(yi)形(xing)形(xing)色的(de)(de)(de)電(dian)(dian)(dian)器需要各種(zhong)不同(tong)的(de)(de)(de)smt貼片(pian)加(jia)工(gong)(gong)工(gong)(gong)藝(yi)來加(jia)工(gong)(gong)。湖北電(dian)(dian)(dian)子(zi)SMT貼片(pian)加(jia)工(gong)(gong)

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