Absorbing to Absorbing Welding Evo2Step
Laser Welding for Absorbing Plastic Materials
Evo2Step laser welding of absorbing plastic materials enables reliable joining of components where both joining partners absorb the laser energy. This approach is particularly suitable for applications where transparent materials are not feasible or where specific material properties are required.
The process allows precise energy input and creates strong, durable welds while maintaining high flexibility in material selection and component design.
By using adapted laser parameters and process control, stable and reproducible results can be achieved even with complex geometries. The method supports efficient integration into automated production environments and ensures consistent quality in high-volume manufacturing.
This makes absorbing-absorbing laser welding a robust solution for a wide range of industrial applications.
Technology
In Evo2Step absorbing-absorbing laser welding, both joining partners (LA1 and LA2) are made of laser-absorbing materials and are positioned separately in defined nests. Each component features a dedicated welding rib, which is directly exposed to the laser radiation.
During the heating phase, the laser energy is applied precisely to these ribs, causing both joining partners to melt locally. The material is heated in a controlled manner, ensuring uniform energy input and preparing the components for a stable joining process.
Once the required melt state is reached, the laser is switched off and the components are pressed together with a defined force. The molten ribs fuse, creating a strong and durable connection as the material solidifies.
This process is particularly suitable for applications where transparent materials cannot be used, such as fiber-reinforced plastics (e.g. carbon fiber materials), as well as for large components, complex geometries, and new material combinations.
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