Main configuration: Kawasaki RA20N + Raycus 2KW
. Technical Principles and Process Advantages
Laser welding works by applying a high-energy-density laser beam to the workpiece surface, causing the material to melt instantly and form a permanent connection. This technology has three core characteristics:
1. Precision control ability: The diameter of the focused spot can be precisely controlled to the micron level, enabling the welding of ultra-thin materials (0.1 mm).
2. Heat-affected zone control: The welding speed reaches the meter-per-second level, and the heat input efficiency is 50% - 70% lower than that of traditional welding, significantly reducing workpiece deformation.
3. Multi-scenario adaptability: It supports various welding modes such as spot welding, lap welding, and seal welding, and is applicable to the connection of dissimilar materials.
II. Technical Analysis of Core Components
1. Laser generation unit
As the core of energy output, the choice of laser directly affects the performance of the equipment. The power of mainstream water-cooled fiber lasers ranges from 500 W to 20 kW, and the photoelectric conversion efficiency can reach 35%, which is 40% more efficient than traditional CO₂ lasers. High-power models can penetrate 25 mm stainless steel plates, meeting the needs of heavy industries such as shipbuilding.
2. Optical conduction system
It consists of two major modules: the focusing lens group and the transmission fiber.
- The focusing lens adopts a coating process, with a reflection loss rate of ≤ 0.5%.
- The diameter of the universal transmission fiber is 300 μm - 1000 μm, and the transmission distance can reach 30 meters.
This system, combined with a five-axis linkage mechanism, enables welding along complex spatial trajectories.
3. Temperature control support system
A dual-circulation water-cooled chiller ensures that the core components are in a constant temperature environment of 22 ± 0.5 °C. It is equipped with a flow monitoring and automatic water replenishment function, increasing the continuous working time of the equipment to over 72 hours.