HW High Peak Power Low Heat Input QCW Laser Welding Machine For Precision Metal

The QCW (Quasi-Continuous Wave) laser welding machine combines the high peak power of pulsed lasers with the stable output characteristics of continuous wave systems. By precisely controlling pulse waveforms and frequencies, this equipment releases high energy density beams in extremely short durations to achieve deep penetration while maintaining low average heat input. This unique energy output mode makes it an ideal choice for welding thin-walled metals, highly reflective materials, and heat-sensitive components, effectively solving common issues like burn-through and excessive thermal deformation found in traditional continuous laser welding.

The core advantage of QCW technology lies in its superior material adaptability. For highly reflective metals like copper and aluminum, high peak power instantly breaks through the material's reflectivity threshold, enabling stable arc initiation and deep penetration welding while significantly reducing spatter rates. The low average power characteristic ensures flat back-side formation for thin plates (0.1-1.0mm) without depression or burn-through. Coupled with programmable pulse waveform control, operators can customize energy curves based on the thermophysical properties of different materials, further optimizing molten pool fluidity and weld tensile strength. The equipment features a compact, highly integrated structure that supports seamless integration into automated production lines.

This equipment is widely used in precision manufacturing fields requiring strict control over the heat-affected zone. In the 3C electronics industry, it is used for precision welding of mobile phone frames, shielding cans, and micro-connectors. In the new energy sector, it is suitable for reliable joining of battery tabs, busbars, and copper-aluminum transition joints. Additionally, in jewelry processing, sensor packaging, and medical device assembly, it achieves seamless, high-strength sealed welding results.

Shenzhen Hanwei Laser Equipment Co., Ltd. is a global enterprise dedicated to the innovation of industrial laser processing technology and the manufacturing of high-end equipment. Integrating R&D, production, sales, and technical services, we specialize in providing high-precision, high-efficiency laser welding, cleaning, and cutting solutions for modern manufacturing. Leveraging profound expertise in optical technology and keen market insights, Hanwei Laser has become a core equipment supplier for numerous industry clients seeking production line automation upgrades and process optimization.

Our product matrix encompasses QCW precision welding systems, handheld portable welders, automated galvanometer workstations, industrial-grade laser cleaning machines, and various core optical components. With outstanding equipment stability and flexible customization plans, Hanwei Laser products have successfully entered markets across Europe, North America, Southeast Asia, the Middle East, South America, and over 30 other countries and regions. Whether addressing flexible production needs in small and medium-sized workshops or large-scale line integration for major manufacturing groups, we deliver highly matched equipment configurations and process support.