German machine instruments and laser know-how provider TRUMP has developed new laser purposes for adhesive and coating preparation in battery manufacturing and for corrosion safety of aluminum parts.
Coating or laminating battery cells earlier than gluing them into modules or trays protects towards brief circuits and environmental influences, growing the protection and repair lifetime of the battery cells, the corporate stated. Earlier than making use of the coating and adhesive, producers clear the cells and sure areas of the battery trays with short-pulse lasers, which hit the floor of the fabric with out damaging the fabric itself.
To guard corrosion to automotive physique parts from milling, the laser homogenizes the floor by selectively remelting a couple of micrometers after which quickly quenching it, making the aluminum parts proof against corrosion. In exams wherein the components processed on this manner have been sprayed with salt water for hours, they confirmed no indicators of crevice corrosion, TRUMPF stated.
To course of giant surfaces, akin to aluminum parts, customers make use of the PFO33 scanner optics with a pulsed laser from TRUMPF’s TruMicro Collection 7000. The PFO33 has mirrors that transfer the laser pulses throughout the element at speeds of as much as a number of meters per second.
This allows brief cycle instances, that are essential for automotive collection manufacturing. Native extraction removes smoke, particles and aerosols which are produced throughout laser processing and will intrude with the machining course of.
“Selective floor processing with lasers is a clear and quick various to chemical processes within the automotive trade, for instance to attain excessive adhesive power for adhesives or coatings,” stated Volkan Yavuz, liable for laser floor processing at TRUMPF. “Our lasers reliably take away oils, rust, oxides and different residues, and guarantee long-term steady adhesion of the coating and adhesive, with out the usage of aggressive chemical compounds or mechanical rubbing. This know-how is just not a dream of the longer term: it’s used not just for gigacasting parts, but in addition for housings for electrical motors for electrical vehicles.”
Supply: TRUMP
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