Using a short-wave infrared (1.2-2.5μm) heater, the temperature rises rapidly (reaching operating temperature within seconds), and the energy is focused through a lens or reflector to achieve localized or contour-tracking heating, resulting in high thermal efficiency.

It is particularly suitable for welding transparent plastics (such as PC and PMMA) that are not easily absorbed by lasers. By finite element analysis (FEA) to simulate the temperature field distribution in advance, the heating strategy is optimized to avoid surface overheating or insufficient internal melting.

The entire welding process is dust-free and free of volatile substances, meeting the high cleanliness requirements of medical, optical, and food packaging industries.In conjunction with an infrared thermal imager, the temperature uniformity of the welding area can be monitored online, enabling closed-loop quality control.