定制端子連接線的(de)(de)塑(su)膠絕緣(yuan)(yuan)(yuan)和(he)導(dao)電性一部(bu)分與(yu)端(duan)子的(de)(de)品質(zhi)立(li)即有(you)關(guan),這決策了端(duan)子的(de)(de)絕緣(yuan)(yuan)(yuan)和(he)導(dao)電率(lv)。一切(qie)終(zhong)端(duan)設備的(de)(de)常見故障都將造成 全部(bu)自動化控制(zhi)不(bu)(bu)(bu)成功。世(shi)界各國在(zai)這些方面的(de)(de)痛楚(chu)經驗(yan)教(jiao)訓是(shi)(shi)十分刻骨(gu)銘心的(de)(de)。防止是(shi)(shi)目(mu)地,剖析(xi)是(shi)(shi)基本。從(cong)某種程度上說,避免 不(bu)(bu)(bu)成功比剖析(xi)不(bu)(bu)(bu)成功更關(guan)鍵。它針(zhen)對保證 終(zhong)端(duan)設備的(de)(de)品質(zhi)和(he)可靠(kao)性具備更實際(ji)的(de)(de)實際(ji)意義。從(cong)應用(yong)端(duan)子的(de)(de)見解看來,應當完成的(de)(de)作(zuo)用(yong)是(shi)(shi)接觸地區(qu)務必是(shi)(shi)導(dao)電性的(de)(de)而且接觸是(shi)(shi)可靠(kao)的(de)(de)。絕緣(yuan)(yuan)(yuan)不(bu)(bu)(bu)可以開啟的(de)(de)地區(qu)務必絕緣(yuan)(yuan)(yuan)且可靠(kao)。
布線pcb接線端子分類中有三種普遍的致命性常見故障種類:1.接觸欠佳 端子內的金屬材料電導體是端子的關鍵一部分,它將來源于外界電纜線或電纜線的工作電壓,電流量或數據信號傳送到匹配射頻連接器的(de)相(xiang)對觸(chu)(chu)點。因而,接(jie)觸(chu)(chu)預制構(gou)件務必具備(bei)出色的(de)構(gou)造(zao),平穩可(ke)靠的(de)接(jie)觸(chu)(chu)維持性和優良的(de)導電率。因為接(jie)觸(chu)(chu)總體(ti)設計不科學,原(yuan)材料挑選不正確,模貝(bei)不穩定,生產加工(gong)規格(ge)差,表面(mian)(mian)不光滑,表面(mian)(mian)工(gong)藝(yi)處(chu)理不科學,如熱處(chu)理工(gong)藝(yi)電鍍(du)工(gong)藝(yi),安裝不善,存儲(chu)和應用自然環境欠佳,實際操作不善等(deng),在接(jie)觸(chu)(chu)位置(zhi)。接(jie)觸(chu)(chu)和零配件會造(zao)成 接(jie)觸(chu)(chu)欠佳。
2.絕(jue)緣欠佳??絕(jue)緣體的作用是(shi)將觸(chu)點(dian)維持在(zai)恰當的部位,并使觸(chu)點(dian)與觸(chu)點(dian)和(he)觸(chu)點(dian)與罩殼絕(jue)緣。因而,絕(jue)緣務必具備(bei)出(chu)色的電(dian)(dian)氣性(xing)能,物理(li)性(xing)能和(he)加(jia)(jia)工工藝成(cheng)形特(te)性(xing)。尤其是(shi),伴(ban)隨著微型化端子的密度高(gao)的和(he)普(pu)遍(bian)應用,絕(jue)緣體的合(he)理(li)壁(bi)厚越(yue)來(lai)越(yue)愈來(lai)愈薄。這對絕(jue)緣原(yuan)(yuan)材(cai)(cai)料,塑料模具精(jing)密度和(he)成(cheng)形加(jia)(jia)工工藝明確提(ti)出(chu)了更嚴苛的規定(ding)。因為絕(jue)緣子表面(mian)或內部存有(you)金屬材(cai)(cai)料過多,表面(mian)塵(chen)土,助焊膏等(deng)環境(jing)污染濕冷,有(you)機(ji)化合(he)物沉定(ding),有(you)害物質吸(xi)咐膜與表面(mian)收縮水焊接(jie),產生正(zheng)離子導(dao)電(dian)(dian)性(xing)安(an)全通道,吸(xi)潮,除(chu)霉,絕(jue)緣原(yuan)(yuan)材(cai)(cai)料脆(cui)化等(deng)緣故,會導(dao)致短路故障(zhang),走電(dian)(dian),穿(chuan)透,絕(jue)緣電(dian)(dian)阻器(qi)劣等(deng)絕(jue)緣難(nan)題。
3.固定不(bu)動(dong)(dong)不(bu)太好??絕緣(yuan)體不(bu)但能夠(gou)作為(wei)絕緣(yuan)體,還能夠(gou)為(wei)增(zeng)加(jia)觸點出示(shi)精準的(de)放心和(he)維護,及其安(an)裝(zhuang)和(he)鎖住機器設備。固定不(bu)動(dong)(dong)欠佳,輕度接觸會危(wei)害(hai)可靠的(de)一瞬間(jian)(jian)(jian)斷(duan)電(dian)(dian)和(he)比較嚴(yan)重(zhong)的(de)商品(pin)溶解。溶散就是指因為(wei)原材料,設計(ji)方案,加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)(yi)等緣(yuan)故造成 的(de)不(bu)可靠構造造成 電(dian)(dian)源(yuan)(yuan)插(cha)頭與電(dian)(dian)源(yuan)(yuan)插(cha)座中間(jian)(jian)(jian)電(dian)(dian)源(yuan)(yuan)插(cha)頭與電(dian)(dian)源(yuan)(yuan)插(cha)座中間(jian)(jian)(jian)的(de)出現(xian)異常分(fen)離(li)出來,自動(dong)(dong)控制系統的(de)電(dian)(dian)力工(gong)(gong)(gong)(gong)程傳送是因為(wei)中斷(duan)連接導致的(de)。終(zhong)奌站(zhan)。數據(ju)信號操縱(zong)終(zhong)斷(duan)的(de)嚴(yan)重(zhong)危(wei)害(hai)。因為(wei)設計(ji)方案不(bu)可靠,原材料挑選有(you)誤,成形加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)(yi)挑選不(bu)善,熱(re)處理工(gong)(gong)(gong)(gong)藝(yi)(yi)品(pin)質(zhi)差(cha),模貝,安(an)裝(zhuang),電(dian)(dian)焊(han)焊(han)接等,安(an)裝(zhuang)不(bu)成功等都是會造成 固定不(bu)動(dong)(dong)欠佳。