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Shimadzu Review 81[1・2] (2024)
Abstract
A 6 kW blue direct diode laser that can be applied to the laser processing of motor coils and battery electrodes, which are key components for xEVs (electric vehicles) was developed. The 6 kW blue direct diode laser consists of newly developed 1 kW blue direct diode lasers and a unique multi multi-beam laser processing head that collects fiber outputs from six lasers into one point. It achieves the worldʼs highest output of 6 kW and is equipped with onon-demand profile control technology ” which allows adjusting the shape of the irradiation beam according to the processing target. This article explains the features of the developed laser and processing head, such as laser profile with a rectangular beam and ondemand profile control technology with multi multi-beams, and introduces verification results on its effects, including laser welding results of copper plates and rectangular wires as actual processing examples.
1Advanced Analysis Unit, Technology Research Laboratory, Shimadzu Corporation, Kyoto, Japan
2Device Department, Shimadzu Corporation, Kyoto, Japan
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