配件電泳時如何避免出現針孔缺陷？

 配件電泳時出現針孔缺陷，主要和電泳液氣泡、工件表麵油汙、電泳電壓過高三個因素相關，需要針對性解決。

 dianyongyezhonghunruqipaoshichangjianyouyin。ruguodianyongyezaixunhuanguochengzhonghunrukongqi，huogongjianrucaoshidairuqipao，huizaiqimobiaomianxingchengzhenkong。xuyaozaidianyongcaozhongjiazhuangxiaopaozhuangzhi，tongshitiaozhenggongjianrucaojiaodu，bimiandairuqipao，haikeyizaidianyongyezhongtianjiashiliangdexiaopaoji，jianshaoqipaodechansheng。

 其qi次ci，工gong件jian表biao麵mian殘can留liu油you汙wu或huo雜za質zhi也ye會hui導dao致zhi針zhen孔kong。如ru果guo配pei件jian預yu處chu理li時shi除chu油you不bu徹che底di，表biao麵mian的de油you汙wu會hui影ying響xiang漆qi膜mo的de均jun勻yun沉chen積ji
，形xing成cheng針zhen孔kong。需xu要yao加jia強qiang預yu處chu理li環huan節jie的de質zhi量liang把ba控kong，采cai用yong超chao聲sheng波bo除chu油you配pei合he高gao溫wen堿jian洗xi的de方fang式shi，除chu去qu配pei件jian表biao麵mian的de油you汙wu和he雜za質zhi，確que保bao表biao麵mian幹gan淨jing無wu殘can留liu。

 電dian泳yong電dian壓ya過guo高gao或huo電dian泳yong時shi間jian過guo長chang也ye會hui引yin發fa針zhen孔kong。過guo高gao的de電dian壓ya會hui讓rang電dian泳yong液ye中zhong的de離li子zi快kuai速su沉chen積ji，導dao致zhi漆qi膜mo表biao麵mian產chan生sheng氣qi泡pao並bing形xing成cheng針zhen孔kong。需xu要yao根gen據ju配pei件jian的de材cai質zhi和he形xing狀zhuang調tiao整zheng電dian壓ya，一yi般ban控kong製zhi在zai120到250伏之間，同時控製電泳時間在2到4分鍾，避免漆膜過厚或產生針孔。此外
，電泳後的衝洗環節要及時，用去離子水衝洗掉配件表麵殘留的電泳液，避免幹燥後形成針孔。