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Proceedings Paper

OCT sensor for layer height control in DED using SINUMERIK® controller
Author(s): Markus Kogel-Hollacher; Matthias Strebel; Christian Staudenmaier; Heinz-Ingo Schneider; Daniel Regulin
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Paper Abstract

Nowadays the laser is a conventional tool in industrial manufacturing, for a wide spam of applications, from subtractive to additive, from cutting to welding. The main topic in production today is headlined with the word digitalization and Industry 4.0. In this context the laser is playing a dominant role, because it is possible to produce a part directly from a digital model by contactless processing. This unique feature allows for monitoring processes with smart devices, which is a key issue of Industry 4.0. Especially sensor technology is a leading part related to Smart Factory and predictive maintenance and even process control. Transforming machine elements into intelligent cyber physical systems involves the integration of smart sensors for condition and process monitoring. This contribution of Precitec to the SPIE LASE Conference will present some of the highlights in the area of laser metal deposition and 3D printing using innovative laser processing heads in combination with sensor strategies to fully monitor and even control the manufacturing process with the OCT sensor principle. Sensors based on OCT (optical coherence tomography)/ low coherence interferometry are different to all the other technologies because the measurement is not affected by the process emissions and thus open new horizons in laser materials processing. The use of this method in laser applications has risen in the last years. Since its first appearance in 2008 [1], application examples were shown for laser cutting [2], selective laser melting [3], laser micro machining [4], laser drilling [5] and laser welding [6]. For the latter, a huge potential is foreseen [7] [8].

Paper Details

Date Published: 2 March 2020
PDF: 5 pages
Proc. SPIE 11271, Laser 3D Manufacturing VII, 112710O (2 March 2020); doi: 10.1117/12.2540167
Show Author Affiliations
Markus Kogel-Hollacher, Precitec GmbH & Co. KG (Germany)
Matthias Strebel, Precitec GmbH & Co. KG (Germany)
Christian Staudenmaier, Precitec GmbH & Co. KG (Germany)
Heinz-Ingo Schneider, Siemens AG (Germany)
Daniel Regulin, Siemens AG (Germany)


Published in SPIE Proceedings Vol. 11271:
Laser 3D Manufacturing VII
Bo Gu; Hongqiang Chen; Henry Helvajian, Editor(s)

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