Improvement of quality and efficiency in laser welding for e-mobility.
YW52 + CANUNDA HP
Improvement of quality and efficiency through flexible beam shaping!
High-quality laser welding of copper and aluminum is essential for e-mobility applications. Despite the challenges posed by these highly reflective and thermally conductive materials, achieving precise welding results is crucial for optimal conductivity and stable circuits. In collaboration with Cailabs, we provide innovative beam shaping solutions that enhance laser interaction with these materials. By using beam shaping technology, the laser output is divided into points and rings, allowing for an even distribution of laser output. Due to the low thermal load, the seams become more homogeneous, and the amount of spatter is significantly reduced. This system is easy to implement, as all optical components are integrated, ensuring long-term stability, reliability, and maintenance-free operation. All components enable the use of high laser output through a fully reflective design and optimized cooling, guaranteeing a stable process. Additionally, an online quality management system can also be integrated.
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basic information
Energy ratio: First optical system configuration: 80% (dot) / 20% (ring) - Second optical system configuration: 70% (dot) / 30% (ring) Dot diameter: 125 µm Ring diameter: 500 µm Ring thickness: 125 µm Maximum laser output: 8 kW
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Applications/Examples of results
Welding of copper and aluminum for e-mobility applications Welding of caps and cans for prismatic cells Welding of caps and cans for cylindrical cells (e.g., 46xx) Welding of aluminum cooling structures (hermetic sealing)
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Company information
Presitech is a specialist in laser material processing and optical measurement technology. We are not just a supplier of systems and components, but a professional partner in ensuring a smooth processing process for our customers. We offer consultations from the foundational stage and accurately consult with customers on their requests and objectives. We understand that the key to success in unique processing processes lies in the four components of exhibition, monitoring, processing, and control. Only by doing so can we provide appropriate solutions for our customers' applications. Our high-quality products, such as laser processing heads, quality monitoring systems, and optical measurement systems for spacing/thickness measurement, allow customers to directly benefit from our decades of experience. Our optical sensors are characterized by the highest precision and dynamic adaptability. Furthermore, they detect accurate values even in high-speed measurements.