想要在焊接式穿心電容的施工工序中不出錯,就一起來看看有關焊接式穿心電容的施工工藝介紹。焊接式穿心電容應該注意以下各點:
1、焊(han)(han)接(jie)式穿(chuan)心電容(rong),不(bu)能過波峰(feng)焊(han)(han),波峰(feng)焊(han)(han)是走高溫300℃隧道,只能從手工焊(han)(han)接(jie)引線(xian)開始(shi),并且焊(han)(han)接(jie)的(de)(de)引線(xian)部位要距(ju)離電容(rong)部分3-5毫(hao)米(mi)之(zhi)外,焊(han)(han)接(jie)時間 3秒。否(fou)則(ze)內部焊(han)(han)接(jie)引線(xian)和陶瓷管(guan)的(de)(de)焊(han)(han)錫,會(hui)被二(er)次融化,造成短路了。
2、在高溫(wen)下變成液體(ti),灌封在穿心電容(rong)上(shang),常溫(wen)下放(fang)置又(you)變成了(le)固體(ti)。焊(han)接的時候(hou)需要采(cai)(cai)用(yong)恒溫(wen)電烙(luo)鐵焊(han)接引線(xian),嚴(yan)禁(jin)采(cai)(cai)用(yong)爐焊(han)及浸焊(han)。嚴(yan)禁(jin)用(yong)硬物敲擊(ji)電容(rong)體(ti)或則采(cai)(cai)用(yong)過渡方式安裝電容(rong),長時間(jian)放(fang)置在高于125℃以上(shang)的環(huan)境(jing)中對電容(rong)可能造成損害。
3、焊(han)接(jie)(jie)式穿(chuan)心電(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)弱點是怕高溫和溫度沖擊,這在將穿(chuan)心電(dian)(dian)(dian)容(rong)(rong)(rong)往金屬面板上焊(han)接(jie)(jie)時造成(cheng)很大困(kun)難(nan)。許多電(dian)(dian)(dian)容(rong)(rong)(rong)在焊(han)接(jie)(jie)過程(cheng)中發生(sheng)損壞。特別是當需要將大量(liang)的(de)(de)穿(chuan)心電(dian)(dian)(dian)容(rong)(rong)(rong)安(an)裝在面板上時,只要有一個損壞,就很難(nan)修復,因(yin)為在將損壞的(de)(de)電(dian)(dian)(dian)容(rong)(rong)(rong)拆(chai)下時,會造成(cheng)鄰近其它電(dian)(dian)(dian)容(rong)(rong)(rong)的(de)(de)損壞。
隨著(zhu)電(dian)(dian)(dian)子設備復雜程度的(de)(de)提高,設備內部強弱(ruo)電(dian)(dian)(dian)混(hun)合安裝、數字(zi)邏輯電(dian)(dian)(dian)路(lu)混(hun)合安裝的(de)(de)情況越來越多,電(dian)(dian)(dian)路(lu)模塊(kuai)之間的(de)(de)相互(hu)(hu)騷擾成(cheng)為嚴重(zhong)的(de)(de)問題。解決這種電(dian)(dian)(dian)路(lu)模塊(kuai)相互(hu)(hu)騷擾的(de)(de)方法(fa)之一是用(yong)金(jin)屬(shu)隔離(li)(li)艙(cang)將不同性質的(de)(de)電(dian)(dian)(dian)路(lu)隔離(li)(li)開。但(dan)是所(suo)有穿(chuan)過隔離(li)(li)艙(cang)的(de)(de)導線要通過穿(chuan)心(xin)電(dian)(dian)(dian)容(rong),否則會造成(cheng)隔離(li)(li)失效。
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