PCBA維(wei)修(xiu)的具(ju)體(ti)流(liu)程步(bu)驟
- 發(fa)表時(shi)間:2022-05-10 09:31:07
- 來源(yuan):本(ben)站(zhan)
- 人氣:1369
在(zai)PCBA貼(tie)片加工(gong)的過(guo)程中(zhong),由於員(yuan)工(gong)的操作(zuo)失誤或(huo)者是(shi)物(wu)料質(zhi)量的因(yin)素,經常(chang)會出現壹些PCBA不(bu)良板,這(zhe)時(shi)候需(xu)要(yao)對不(bu)良(liang)板進(jin)行維(wei)修(xiu),下面讓(rang)深(shen)圳市潤澤五洲(zhou)為(wei)大家(jia)介紹(shao)PCBA維(wei)修(xiu)的具(ju)體(ti)流(liu)程步(bu)驟。

PCBA維(wei)修(xiu)的流(liu)程為(wei):目檢PCBA→量測(ce)所(suo)有POWER→通電(dian)測(ce)試(shi)不良→根據(ju)不(bu)良(liang)現象進行維(wei)修(xiu)→維(wei)修(xiu)後自檢→測試(shi)治(zhi)具測試(shi)→目檢全檢
PCBA維(wei)修(xiu)需要(yao)準備(bei)的工(gong)具(ju)有:示(shi)波器(qi)、數(shu)位電(dian)表、恒溫(wen)烙(lao)鐵、熱風槍、尖嘴(zui)鉗(qian)、斜口鉗(qian)、鑷(nie)子(zi)。
1、目檢PCBA:主要(yao)檢查PCBA有(you)無(wu)明顯外觀不(bu)良(liang)。如(ru):短路(lu)、空(kong)焊、缺件(jian)、元(yuan)件(jian)極反(fan)、錯(cuo)件(jian)元(yuan)件(jian)燒(shao)毀(hui)等
2、量測所(suo)有POWER:主要(yao)測量(liang)個電(dian)源(yuan)有(you)無(wu)對地(di)短(duan)路
3、通電(dian)測(ce)試(shi)不良:通電(dian)後使(shi)用測(ce)試(shi)治具(ju)DOUBLE CHECK不(bu)良(liang)
4、根據(ju)不(bu)良(liang)現象進行維(wei)修(xiu):根據(ju)不(bu)良(liang)現象結合(he)電路(lu)原(yuan)理逕(jing)行維(wei)修(xiu)。可以參照(zhao)工(gong)程(cheng)提供(gong)維(wei)修(xiu)作業指導書(shu)
5、維(wei)修(xiu)後自檢:維(wei)修(xiu)後需要(yao)對維(wei)修(xiu)部份進(jin)行自檢。主要(yao)檢查: 短(duan)路(lu) 空(kong)焊 錫珠 錫渣 及焊點外觀
6、測(ce)試(shi)治具測(ce)試:使(shi)用測(ce)試(shi)治具(ju)檢測PCBA是(shi)否(fou)維(wei)修(xiu)OK
7、目檢全檢:對維(wei)修(xiu)好(hao)的產(chan)品進(jin)行全檢
通過(guo)對不(bu)良(liang)PCBA板的維(wei)修(xiu),能夠大(da)大地(di)降(jiang)低板子(zi)的報廢率(lv),縮減工(gong)廠(chang)的生產(chan)投入成(cheng)本(ben)。
以(yi)上是(shi)關(guan)於“PCBA維(wei)修(xiu)的具(ju)體(ti)流(liu)程步(bu)驟”的介紹(shao),希望(wang)對大(da)家(jia)有(you)壹些幫(bang)助(zhu),更多PCBA資(zi)訊(xun)請(qing)關(guan)註本(ben)站(zhan)的內容更新(xin)!深(shen)圳市潤澤五洲(zhou)電(dian)子(zi)科(ke)技(ji)有(you)限(xian)公司(si)是(shi)壹家(jia)專(zhuan)業的PCBA加工(gong)企(qi)業,擁有全自動(dong)SMT生產(chan)線(xian)和(he)波峰焊,為您(nin)全程(cheng)開(kai)放生產(chan)和(he)質量檢測過(guo)程(cheng),找到(dao)我(wo)們,您(nin)就(jiu)屬(shu)於有(you)了(le)自己(ji)的電(dian)子(zi)加工(gong)廠(chang)!
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