連接器的接線端子在使用過程中會遇到一些問題，如由於鍍層表麵起皮
、遭腐蝕
、碰傷，或者是塑殼飛邊、破裂
，接觸件緊密接觸部位加工粗糙或者是變形等多種原因造成的外觀不良；由於定位鎖緊配合尺寸超差
，加工質量一致性差，總分離力過大等原因造成的互換不良等。

分析接線端子常見的致命故障形式有以下幾點：

1. 絕緣不良：jueyuantidezuoyongshishijiechujianbaochizhengquedeweizhipailie
，bingshijiechujianyujiechujianzhijian
，jiechujianyuketizhijianxianghujueyuan。gujueyuanjianbixujubeiyouliangdedianqixingneng
，jixiexingnenghegongyichengxingxingneng。tebieshisuizhegaomidu，xiaoxinghuajiexianduanzideguangfanshiyong
，jueyuantideyouxiaobihouyuelaiyuebo。zheduijueyuancailiao
，zhusumojujingduhechengxinggongyidengtichulegengkeyandeyaoqiu。youyujueyuantibiaomianhuoneibucunzaijinshuduoyuwu，biaomianchenai
，hanjidengwuranshouchao，youjicailiaoxichuwujiyouhaiqitixifumoyubiaomianshuimoronghexingchenglizixingdaodiantongdao，xichao
，changmei
，jueyuancailiaolaohuadengyuanyin，douhuizaochengduanlu，loudian，jichuan，jueyuandianzudidengjueyuanbuliangxianxiang。renheyigejiexianduanzishixiaodoujiangdaozhizhenggexitonggongchengdeshibai，yinci
，dajiazaishiyongguochengzhongyingjinliangbimianshangshutidaodezhejizhongkenengdaozhijielianxianduanzichuxianguzhangdeqingkuang，rangjiexianduanzigengchijiunaiyong。

圖題：三問三搭：連接器之接線端子不良狀況

2. 接觸不良：接線端子內部的金屬導體是接線端子的核心部分，它將電源
、xinhaodengchuandigeiyuzhijiechudeqitalingjianshang。jiexianduanzineibudejinshudaotibixujubeilianghaodechuandaoxingneng。ruguojiechujianshejibuheli
，cailiaoxuanyongcuowu，chicunbuhebiaozhun，huodianducengchulibudang，douhuizaochenglianjieqijiexianduanzidejiechubuliang。

3. 固定不良：接jie線xian端duan子zi需xu要yao固gu定ding在zai一yi定ding位wei置zhi才cai能neng實shi現xian穩wen定ding的de連lian接jie。有you時shi粗cu心xin大da意yi安an裝zhuang不bu完wan善shan
，或huo者zhe產chan品pin耐nai久jiu度du有you限xian如ru插cha拔ba次ci數shu太tai多duo
，導dao致zhi固gu定ding不bu良liang
，輕qing者zhe影ying響xiang接jie觸chu可ke靠kao造zao成cheng瞬shun間jian斷duan電dian，嚴yan重zhong的de就jiu是shi產chan品pin解jie體ti。解jie體ti是shi指zhi接jie線xian端duan子zi在zai插cha合he狀zhuang態tai下xia，由you於yu材cai料liao
，設she計ji
，工gong藝yi等deng原yuan因yin導dao致zhi結jie構gou不bu可ke靠kao造zao成cheng的de插cha頭tou與yu插cha座zuo之zhi間jian，插cha針zhen與yu插cha孔kong之zhi間jian的de不bu正zheng常chang分fen離li，將jiang造zao成cheng控kong製zhi係xi統tong電dian能neng傳chuan輸shu和he信xin號hao控kong製zhi中zhong斷duan的de嚴yan重zhong後hou果guo。由you於yu設she計ji不bu可ke靠kao，選xuan材cai錯cuo誤wu，成cheng型xing工gong藝yi選xuan擇ze不bu當dang，熱re處chu理li
，模mo具ju，裝zhuang配pei，熔rong接jie等deng工gong藝yi質zhi量liang差cha，裝zhuang配pei不bu到dao位wei等deng都dou會hui造zao成cheng固gu定ding不bu良liang。