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: 99久久国产福利自产拍 | 51久久成人国产精品麻豆 | 国产区女主播在线观看 | 国产精品人妻一区二区三区四区 | 加勒比色综合久久久久久久久 | 免费精品国产va自在自线 | 成年美女黄网站色奶头大全 | 日韩三区三区一区区欧69国产 | 中文有码vs无码人妻 | 亚洲人成网线在线播放 | 亚洲熟女乱色综合亚洲av | 天天天天噜在线视频 | 日韩欧洲亚洲美三区中文幕 | 久热无码中文视频在线 | 日本真人啪啪免费无遮挡 | 激情久久一区二区三区 | 亚洲一区二区三区四区的 | 婷婷激情综合色五月久久图片 | 国产一级h | 91欧美 | 亚洲成人一二区 | 免费视频99 | 国产精品第一区揄拍 | 无码乱码av天堂一区二区 | 性欧美激情日韩精品七区 | 国产精品一区二区三区四区视频 | 无码精品国产D在线观看 | 成人亚洲区 | 一本大道久久a久久综合婷婷 | 麻豆精品在线视频 | 肉大榛一进一出免费视频 | 国产精品扒开腿做爽爽爽 | 这里只有精品国产 | 我要色综合色综合久久 | 97超碰国产一区二区三区 | 亚洲av永久无码精品网址 | 日本碟片dvd| 在线观看av国产一区二区 | 少妇大叫太大太粗太爽了A片软件 | 欧美黑吊大战白妞 | 四川丰满少妇A级毛片 |