Like the length of screw is not long enough to rub the top, etc.. 3. the automatic testing machine of blind rivet.It also finishes the testing process by the precision pressure.

• 3.；空心铆钉机自动检测器，是靠精密度的压力来检测，短料顶针，主模顶针断掉马上把机器停止，不让机器继续生产坏钉。