久久激情网-亚洲无av在线中文字幕-欧美老肥婆性猛交视频-brazzers欧美一区二区-国产在线专区-丰满白嫩尤物一区二区-亚洲资源在线播放-久久夫妻视频-亚洲av电影一区二区-2025韩国大尺度电影-日韩亚洲欧美精品

SGJ-L2D zipper load pull tester

• SGJ-L2D zipper load pull tester

  Instrument usage:
    Used for physical performance testing of metal, nylon, and injection molded zippers. Under the action of transverse and longitudinal tension, drive the zipper pull head to and fro 30 times per minute at a constant speed. Can the pull head withstand the specified number of life tests.
  Compliant with standards:
    QB/T2171, QB/T2172, QB/T2173, etc.
  Instrument characteristics:
    1. Large screen color touch screen display operation, simple operation interface;
    2. Metal panel, metal buttons; Beautiful and generous, with a long service life;
    3. The load pull can be freely set within a large range;
    4. Equipped with a servo motor, running smoothly without shaking;
    5. Specially designed induction type telescopic fixture, electrically controllable and convenient for sample installation;
    6. There are two detection modes available for the instrument:
      6.1 Manual mode: conventional testing mode;
      6.2. Automatic mode (excluding special zippers): Automatically judge and stop when the zipper pull head is damaged, and beep to remind when the experiment is over;
    7. The transmission sliding mechanism adopts imported linear sliding blocks, which are pulled by a motor through a connecting rod to operate. A simulation pull test is conducted on the zipper to test its durability.