A machine to inspect spot welds using magnetism.
Features:
1.A nugget can be quantified.
2.Needs no gel, water or other medium.
(Ultrasonic method requires some medium such as gel or water.)
3.Can distinguish between nugget and cold-joint (pressure weld).
4. A sensor is applied lightly and inspected.
5. The inspection speed is around 4 seconds per weld point.
6. Automatically save results to electronic file (traceability).
7. The powered is a battery.