国产三级在线观看播放视频_欧美人与动人物姣配XXXX_成人无码A区在线观看视频_а的天堂网最新版在线_久久午夜伦鲁片免费无码_国产精品人妻无码久久久免费看

Welcome to Contact Kunshan KangShuo electronic technology co., LTD!

The identification methods of cold pressed terminals

  • Date:2021-12-24
  • Writer:admin
  • Popularity:154


Cold-press terminal should choose good plasticity and high conductivity copper materials made of fine stamping process, and then the surface according to the matte tin plating or copper (not easy oxidation). Cold insulation terminals, terminal points naked terminal, insulation terminal general environmental protection PVC flame retardant plastic, welding and naked terminal needs to be silver. Identify the cold-press terminal is good or bad.

1, whether the copper (copper content of 99.95% or more, a lot of use is 97%, and even copper alloy);

2, the material thickness is up to standard;

3, whether tin plating, the surface is matte silver, a lot of zinc plating is seriously affect the conductive

4, whether to use environmental protection PVC flame retardant plastics;

5, whether with silver welding, the more is to use the brazing of easy cracking 6 surface whether there is pitting and scratches.

The identification methods of cold pressed terminals(圖1)   The identification methods of cold pressed terminals(圖2)


  

News

Top News

ADD:No. 188, Kunshan City, Jiangsu Qiandeng season Canton Road    TEL:+86-0512-57290876    FAX:+86-0512-57290969
Copyright & copy; 2015 Contact Kunshan KangShuo electronic technology co., LTD      Su ICP No. 15004581      Support:HANETT  

主站蜘蛛池模板: 在线观看欧美 | 91看剧 | a级毛片免费全部播放无码 三级a做爰一女二男视频 | 色欲综合久久躁天天躁蜜桃 | 国产在线视频一区二区三区98 | 人妻丰满熟妇无码区免费 | 蜜柚av乱码久久久久久水 | 日日夜夜精品视频 | 奇米影视第4色 | 一本大道香蕉大在线中文 | 久久久久久A亚洲欧洲AV冫 | 亚洲日韩V无码中文字幕 | 加勒比久久综合久久鬼色88 | 亚洲在战AV极品无码 | 红尘影院手机在线观看 | 少妇高潮出水视频 | 欧美激情无码一区二区三区明星 | 精品专区 | 免费a级人成a大片在线观看 | 丁香五月亚洲中文字幕 | 国产精品视频福利 | 一个色综合国产色综合 | 色呦呦网 | 国产精品一级毛片不收费 | 久久久久久国产一级毛片... | 国99精品无码一区二区三区 | 国产精品久久久久久无码不卡 | 亚洲欧美另类久久久精品 | 成人性生交A片免费网 | 亚洲偷怕 | 大地资源高清在线观看免费新浪 | 午夜理论在线观看无码 | 性色xxxxhd天美传媒 | 无码av片在线观看免费 | 欧美午夜一区二区福利视频 | 天干夜天天夜天干天 | 国产婷婷一区二区 | 成人综合久久综合 | 无码一区免费在线不卡 | 欧美日韩国产码高清综合人成 | 国产首页视频一区二区 |