Enhancement of a Hybrid Manufacturing System Based on a Pentapod Architecture by 3D Surface Measurement Using a Laser Scanner
1
Mechanical Science and Engineering, Dresden University of Technology, Germany
Submission date: 2026-01-28
Final revision date: 2026-04-22
Acceptance date: 2026-04-27
Online publication date: 2026-05-26
Corresponding author
KEYWORDS
TOPICS
ABSTRACT
Arc-based additive manufacturing (DED-Arc) is a widespread, well established, near-net-shape manufacturing process. However, achieving the desired geometry is still a challenging task. Interlayer machining is a common method to overcome such challenges. Therefore, multi-axis kinematics in the form of a pentapod are predestined because of their high stiffness and accuracy. Extensive research has concluded that monitoring the manufacturing process is crucial to increase the level of automation in manufacturing towards full automation and also to combine the additive and subtractive process in a more intelligent way. Laser scanners are suitable tools for this purpose. In this article, the authors present how a laser scanner can be integrated into a pentapod architecture and how its kinematic peculiarity has to be considered. At first, the resulting measurement error is shown if the implicit forced rotation of the laser scanner caused by the pentapod’s mechanical concept is neglected and how to consider the rotation using homogeneous coordinates. Finally, the achieved accuracy of the measurement system is evaluated.
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| eISSN: | 2391-8071 |
| ISSN: | 1895-7595 |
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