本文來自專業焊錫廠綠誌島焊錫金屬有限公司 2015-10-5
電子元件或主控電氣元件的焊腳若鬆動或出現虛焊、線xian頭tou脫tuo落luo時shi,那na麼me電dian子zi線xian路lu或huo主zhu控kong線xian路lu就jiu會hui容rong易yi發fa生sheng故gu障zhang,常chang會hui造zao成cheng機ji器qi不bu運yun轉zhuan或huo失shi控kong等deng不bu良liang情qing況kuang,嚴yan重zhong時shi還hai會hui發fa生sheng一yi係xi列lie的de故gu障zhang,甚shen至zhi是shi損sun壞huai電dian子zi元yuan器qi件jian等deng。
電(dian)子(zi)元(yuan)器(qi)件(jian)的(de)接(jie)頭(tou)多(duo)以(yi)焊(han)接(jie)形(xing)式(shi)固(gu)定(ding),修(xiu)複(fu)時(shi)需(xu)進(jin)行(xing)焊(han)接(jie)處(chu)理(li),但(dan)使(shi)用(yong)電(dian)烙(lao)鐵(tie)焊(han)接(jie)修(xiu)複(fu)晶(jing)體(ti)管(guan),電(dian)解(jie)電(dian)容(rong),介(jie)質(zhi)電(dian)容(rong)以(yi)及(ji)鎖(suo)開(kai)關(guan)等(deng),修(xiu)複(fu)後(hou)其(qi)耐(nai)用(yong)性(xing)、靈活性較差,效果不佳。
一般來說,電子元器件自身質量良好,其所在電路也一切正常,所以隻能是焊接加工過程有問題。再仔細觀察,發現受 sundeyuanqijianjinshujiaoyuqizhutizhijianhanjiebulaoersongdong。zhezhuyaoshihanjieshi,yuanqijianshoudaodereliangtaiduoerzaochengsongdong,youqishijingtiguanleijinshuhanjiaojiaoduandeyuanqijian,qiduireliangdechuandaoguo 程更快。
如此一來,主要問題就在於要減緩管腳的熱傳導速度。可采用輔助散熱的方法。具體操作是:在焊接電子元器件時,用 xiaotijidejianzuiqianjiazhuyuanqijiandejinshujiaojinxingkuaisuhanjie。zheyang,dianziyuanqijianjinshujiaoshoudaodereliangjiuhuihenkuaibeijianzuiqianchuandao,shireliangbuhuihenkuaichuandaoyuanqijianneibu,bimianleyuanqijiannei 部(bu)損(sun)傷(shang),從(cong)而(er)達(da)到(dao)了(le)輔(fu)助(zhu)散(san)熱(re)的(de)目(mu)的(de)。如(ru)果(guo)電(dian)氣(qi)元(yuan)件(jian)的(de)金(jin)屬(shu)腳(jiao)十(shi)分(fen)短(duan),不(bu)便(bian)於(yu)尖(jian)嘴(zui)鉗(qian)輔(fu)夾(jia)時(shi),選(xuan)用(yong)合(he)適(shi)的(de)扁(bian)銅(tong)線(xian)等(deng),也(ye)能(neng)達(da)到(dao)輔(fu)助(zhu)散(san)熱(re)的(de)效(xiao)果(guo)。
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