Method and apparatus for additive manufacturing of a workpiece
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United States of America
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Jan 14, 2025
Grant Date -
Mar 10, 2022
app pub date -
Nov 15, 2021
filing date -
Nov 15, 2021
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Abstract
In a method for additive manufacturing of a workpiece, a data set defines the workpiece in multiple layers. A first energy beam is moved relative to a manufacturing platform along first trajectories to produce, in temporally successive steps, a stack of workpiece layers. Individual properties of the stack are determined using a measurement arrangement having an exciter that excites the stack with a second energy beam, and having a detector that detects properties of the stack resulting from an excitation along a defined detection path in a spatially resolved manner. At least one of the second energy beam and the detection path is moved relative to the manufacturing platform along further trajectories using a further scanning unit. The first scanning unit and the further scanning unit establish completely separate beam paths for the first energy beam and the at least one of the second energy beam and the detection path.
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