91麻豆精品国产91久久久点播时间-91麻豆精品国产91久久久久-91麻豆精品国产91久久久久久-91麻豆精品国产91久久久久久久久-91麻豆精品国产电影-91麻豆精品国产福

Welcome to XX Bearing Technology Co., Ltd
CN|EN
Your location: Home -> Product display -> seam welder
  • Rolling welding machine factory
< >

Rolling welding machine factory

Roll welding machine is a machine used for roll welding. Roll welding, also known as circular seam welding, is a method of using a pair of roller electrodes instead of cylindrical electrodes for spot welding.

  • Rolling welding machine factory
Details


Product Introduction:

Roll welding machine is a machine used for roll welding. Roll welding, also known as circular seam welding, is a method of using a pair of roller electrodes instead of cylindrical electrodes for spot welding. The welded workpiece moves between the roller plates, creating a sealed weld seam with overlapping fusion nuclei to weld the workpiece together. Generally, AC pulse current or amplitude modulation current can be used, and three-phase (single phase) rectification, intermediate frequency, and high-frequency DC current can also be used. Roll welding is widely used in thin plate welding of sealed containers in oil drums, cans, radiator, aircraft and automobile fuel tanks, rockets and missiles. The general welding thickness is within 3mm of the single plate.
Main features:
The weld seam of roll welding consists of one welding point, which can be divided into roll spot welding or airtight seam welding according to different core melting overlaps. The formation process of each solder joint, like spot welding, involves three stages: pressurization, heating melting, and cooling crystallization, but there are significant differences from spot welding. Due to the inevitable phenomenon of shunt, the distribution of current and thermal fields in the welding area has its own characteristics; The rolling disc that transmits pressure and is heated by electricity continuously rotates to change the welding position, so that the distribution of current and heat fields, as well as the crystallization characteristics of the melting zone, are all related to the speed of changing the position.
主站蜘蛛池模板: av在线播放综合网 | 国产尤物av尤物在线观看 | 国产精品成人影院在 | 国产成人永久免费播放视频 | 国产黄网站在线观看视频 | 成人国产日韩在线 | 成人欧美日韩高清不卡 | 国产成人自拍一区 | 91久久精品美女高潮喷水白 | 国产毛片av一区二区三区 | a级毛片视频免费播放 | 99精品久久久久久久婷婷 | 高清精品视频一区二区三区 | 国产欧美日韩va另类在线播 | 国产a毛片aaaaaa | 国产v综合v亚洲精品无码 | 成人毛片无码免费播放网站 | 精品偷拍一区二区三区 | 精品国产美女在线一区二区三区 | 国产激情91久久精品导航 | 国产午夜精品一区理论片水蜜桃 | 国产成人无码精品一区在线观看 | av国内精品久久久久影院 | 精品无码久久久久久动漫 | 国产麻豆剧果冻 | 精品国产日韩在线人成 | 成av人片在线观看麦芽 | 国产成人av无码片在线影院 | 国产欧美视频综合二区 | 精品人妻系列无码一区二区三区 | 国产成人精品三级在线 | 国产精品欧美一区二区三区 | 国产高清美女一级毛片久久 | 国产女同一区二区在线 | 加勒比一本久久国产精品 | 精品国产区一区二区三区在线观看 | 国产一区二区视频在线播放 | 国产av人人夜夜澡人人爽麻豆 | 2025人人精品久久 | 国产精品中文综合 | 成人午夜高潮免费视频在线观看 |