C7.4 Application Of Laser Line Scanners For Quality Control During ...

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• International Congress on Ultrasonics
• EUROSENSORS
• SMSI - Sensor and Measurement Science International
  • SMSI 2025
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    • SMSI 2021 - Plenary Talks
    • SMSI 2021 - Sensors and Instrumentation
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      • C7 Testing and Inspection
        • C7.1 Current Measurement System for Solder Joint Quality Analysis in Photovoltaic Modules
        • C7.2 Testing of High-Power Traction Batteries
        • C7.3 Quantitative Evaluation of Artefact Reduction by an Optimized Specimen Orientation for Metrology Based on Industrial Computed Tomography
        • C7.4 Application of Laser Line Scanners for Quality Control during Selective Laser Melting (SLM)
      • C8 Testing and Diagnosis
      • C9 Advanced Testing Methods
      • D1 Future Topics in Metrology (Special Session)
      • D4 Advanced Calibration Approaches
  • SMSI 2020
• Winter Workshop on Acoustoelectronics
• Sensoren und Messsysteme
• European Test and Telemetry Conference
• iCCC - iCampus Cottbus Conference
• AMA Conferences
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• International Meeting on Chemical Sensors

C7.4 Application of Laser Line Scanners for Quality Control during Selective Laser Melting (SLM) Event SMSI 20212021-05-03 - 2021-05-06digital Band SMSI 2021 - System of Units and Metreological Infrastructure Chapter C7 Testing and Inspection Author(s) K. Wehnert, S. Schäfer, J. Schmitt, A. Schiffler - University of Applied Sciences Würzburg-Schweinfurt, Schweinfurt (Germany) Pages 298 - 299 DOI 10.5162/SMSI2021/C7.4 ISBN 978-3-9819376-4-0 Price free

Abstract

The use of laser line scanners for powder bed monitoring in 3D printing processes was investigated. It was possible to analyze dependencies in terms of exposure time due to the use of two different wavelengths of the laser line scanners. With a simplified setup – in accordance to a selective laser melting machine – the behavior of materials with nearly the same particle size as metal powder could be analyzed. In order to satisfy the conditions in the building chamber a construction platform was used. The behavior and the settings of the laser line scanner got evident, especially due to the strong reflections.

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