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SMT貼片加(jia)(jia)(jia)工中(zhong)波峰(feng)焊(han)操作(zuo)的(de)(de)(de)相關注意事項:波峰(feng)焊(han)機(ji)中(zhong)常(chang)(chang)見的(de)(de)(de)預(yu)(yu)熱(re)(re)(re)(re)方法:空(kong)氣對流(liu)加(jia)(jia)(jia)熱(re)(re)(re)(re)、紅(hong)外加(jia)(jia)(jia)熱(re)(re)(re)(re)器加(jia)(jia)(jia)熱(re)(re)(re)(re)、熱(re)(re)(re)(re)空(kong)氣和(he)輻射相結合的(de)(de)(de)方法加(jia)(jia)(jia)熱(re)(re)(re)(re);波峰(feng)焊(han)工藝曲線解析:潤濕時(shi)間(jian)(jian)指(zhi)焊(han)點與(yu)焊(han)料(liao)相接(jie)(jie)觸后潤濕開始(shi)的(de)(de)(de)時(shi)間(jian)(jian)、停留時(shi)間(jian)(jian)是(shi)(shi)指(zhi)PCB上某一(yi)個(ge)焊(han)點從接(jie)(jie)觸波峰(feng)面(mian)到(dao)離開波峰(feng)面(mian)的(de)(de)(de)時(shi)間(jian)(jian)、預(yu)(yu)熱(re)(re)(re)(re)溫度是(shi)(shi)指(zhi)預(yu)(yu)熱(re)(re)(re)(re)溫度是(shi)(shi)指(zhi)PCB與(yu)波峰(feng)面(mian)接(jie)(jie)觸前達到(dao)的(de)(de)(de)溫度、焊(han)接(jie)(jie)溫度指(zhi)焊(han)接(jie)(jie)溫度是(shi)(shi)非常(chang)(chang)重要的(de)(de)(de)焊(han)接(jie)(jie)參數。
物料管(guan)(guan)理是SMT貼(tie)片(pian)加工(gong)(gong)(gong)(gong)中(zhong)(zhong)非常(chang)重要(yao)的工(gong)(gong)(gong)(gong)序,SMT加工(gong)(gong)(gong)(gong)廠,只有嚴(yan)格做好物料管(guan)(guan)理,才能保(bao)障(zhang)SMT貼(tie)片(pian)加工(gong)(gong)(gong)(gong)順利進行,實際加工(gong)(gong)(gong)(gong)中(zhong)(zhong)我們會遇到各種(zhong)因物料管(guan)(guan)理不當造成SMT返工(gong)(gong)(gong)(gong)等情(qing)況。SMT貼(tie)片(pian)加工(gong)(gong)(gong)(gong)中(zhong)(zhong)所存在的物料問題:1.物料丟失(shi)(PCB、CHIP料);2.物料拋料(CHIP料);3.物料報(bao)廢(PCB)。在SMT貼(tie)片(pian)打樣(yang)或加工(gong)(gong)(gong)(gong)生(sheng)產過程(cheng)(cheng)中(zhong)(zhong),物料技術員應(ying)隨(sui)時巡視各設備MISS狀況,SMT加工(gong)(gong)(gong)(gong)廠家,并協同組長及(ji)工(gong)(gong)(gong)(gong)程(cheng)(cheng)人員改(gai)善。及(ji)時將散件收集分類,并交(jiao)由(you)IPQC確認后方可使(shi)用。
SMT貼片(pian),SMT加(jia)工(gong)價格,就(jiu)是(shi)表面組(zu)裝(zhuang)(zhuang)技術(shu)(shu),沈陽SMT加(jia)工(gong),英文縮寫是(shi)SMT,這(zhe)個技術(shu)(shu)在電(dian)子加(jia)工(gong)行業中比(bi)較的流(liu)行。SMT貼片(pian),就(jiu)是(shi)以PCB為基礎(chu),PCB就(jiu)是(shi)印制電(dian)路板,把無引腳表面組(zu)裝(zhuang)(zhuang)元器(qi)件或者(zhe)短引線表面組(zu)裝(zhuang)(zhuang)元器(qi)件安裝(zhuang)(zhuang)在PCB的表面,然后(hou)再(zai)講(jiang)二者(zhe)焊(han)接(jie)在一起(qi),完成焊(han)接(jie)組(zu)裝(zhuang)(zhuang),是(shi)一種電(dian)路裝(zhuang)(zhuang)連技術(shu)(shu)。SMT貼片(pian)存(cun)在著很多種優(you)點,比(bi)如說(shuo)生產的電(dian)子產品體積小(xiao),組(zu)裝(zhuang)(zhuang)密度高,重量(liang)輕(qing)。
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