VDI Verlag eLibrary

Deep Homography Estimation for Micro-Topographic Measurement Data

Stefan Siemens

Series: Berichte aus dem imr

Volume 01/2024 2024

Results in this title

„… of fields, including computervision and surface metrology. It provides a solution to the challenge of …” „… thesis contributes significantly to the fields of surface metrol-ogy and computer vision, broadening the …” „… application range of image registrationin optical surface metrology.1446.2 Outlook6.2 OutlookTo advance the …”

1. Introduction S. 1-10

„… surface metrology.In addition to the advantages of CNNs mentioned in Section 1.1, one notablebenefit is …” „… Chapter 1IntroductionSurface metrology, particularly optical metrology, has become an …” „… importance of surface metrology emerges. Surfacemetrology is vital in various domains, including …”

Bibliography S. 147-170

„… registration and fusion.The case of roughness measurements of a convex surface”, Metrology andMeasurement …” „… . doi: 10.3390/metrology2010004.[66] D.-H. Lee and N.-G. Cho, “Assessment of surface profile data …” „… direction analysis of micro-topographies using fractalgeometry”, Surface Topography: Metrology and …”

2. Foundational Concepts S. 11-52

„… methods.2.1 Surface MetrologySurface metrology focuses on measuring micro- to nano-scale features on …” „… Surface Metrology(a) Profile filtration (ISO 3274 [74]).(b) Areal filtration (ISO 25178 [83]).Figure 2.5 …” „… surface metrology, the chapter initially provides an overviewof topography measurement and …”

Titelei/Inhaltsverzeichnis S. I-XX

„… areasand utility of image registration.keywords: surface metrology, image registration, convolutional …” „… . . . . . . . . . . . . . . . . . . . . . . . 82 Foundational Concepts 112.1 Surface Metrology …” „… non-overlapping images.In conclusion, this work makes a significant contribution to surface metrologyand image …”

3. Experimental Setup S. 53-66

„… surfaces or measurement principles found in surface metrology or the typesof image data predominant outside …” „… techniques,and surface finishes. This diversity is showcased across Figures 3.5 through3.9. The varied …” „… roughness levels (Figure 3.7), thematerial-specific surface features (Figure 3.6), the distinct textures …”

4. Methods and Algorithms S. 67-102

„… Algorithmsimage noise. For planar surfaces, the nominal shape was removed by fitting aplane using the method of …” „… least squares. For curved surfaces, a second-orderpolynomial was fitted.Given the supervised learning …” „… metrology. Alternative strategies like transfer learning, few-shot learning,unsupervised learning, and …”

doi.org/10.51202/9783959009225

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International Conference on Gears 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2294 2017

Results in this title

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… Paradigm change in cylindrical gear metrology using areal measurement and evaluation Gert Goch …” „… , Kang Ni, Yue Peng, Center for Precision Metrology (CPM), University of North Carolina at Charlotte …” „… clouds of gear flanks in a reasonable time. Other than in conventional gear metrology, these points …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… of gear tooth flanks: Search for an optimal 153 C. Peyrac, surface topography against the …” „… flank surface durability of gears with 173 T. Tobie, increased pressure angle K. Stahl Planetary Gear …” „… . Brecher, Influence of surface layer properties on tooth root 421 C. Löpenhaus, bending strength of …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… . Dr.-Ing. Andreas Fischer, University of Bremen, Bremen Institute for Metrology, Automation and Quality …” „… 6 Literature [1] Goch, G.: Gear metrology. CIRP Annals - Manufacturing Technology 52 (2003) 2, pp …” „… Zylinderrädern (3D-Surface-like Numerical Description, Alignment, and Evaluation of Involute Cylindrical Gears …”

doi.org/10.51202/9783181022948

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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

C. Lu, J. Wang, P. Yin Evaluation method of measuring software based on virtual gear measuring center S. 1173-1180

„… discussed as an example. The triangular involute surface was adopted to test the effects of motion errors …” „… ensures that the probe is near the upper tooth surface. The θ axis drives the measured gear to rotate …” „… measurement When measuring, the probe is along the normal direction of involute gear tooth surface and …”

A. Schiller, T. Beckmann, M. Fratz, T. Seyler, A. Bertz Optical gear measurement: holographic system for 100 % inspection S. 1545-1550

„… topography of a rough object surface with interferometric precision [1]. Over the past few years, Fraunhofer …” „… metrology. HoloGear measures each tooth flank of a gear with a precision approaching that of tactile …” „… gear features. Small defects like pins and scratches can be detected anywhere on the surface. It is …”

K. Lubke Virtual gauge for splined shaft-hub joints – Quality inspection and assembly of involute splines in the context of Industry 4.0 S. 1497-1508

„… ; Dr. rer. nat. Andreas Groh, algorithms and special geometries, Hexagon Metrology GmbH, Wetzlar …” „… ”. This is true concerning the impossibility to measure the whole flank surface with a measuring device …” „… . However, for the measured part of the flank surfaces there exist the virtual gauge method for splined …”

M. Pillarz, A. von Freyberg, A. Fischer Multisensory measurement of the base circle radius as a fundamental shape parameter of large gears S. 1207-1214

„… Metrology, Automation and Quality Science (BIMAQ), Bremen Abstract Standard gear measuring methods …” „… 0.059 ∙ 10 0.008 ∙ 10 The current state of the art in gear metrology is considered in view of the …” „… approaches for large gears can be found in the field of large volume metrology and follow the paradigm of …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… f Flank strength Influence of gear surface roughness on pitting and micropitting life …” „… tooth flank on the surface durability 15 A. Kubo …” „… ) 25 C. Brecher, C. Löpenhaus, F. Goergen M.Sc., WZL, Aachen Effect of surface characterization induced …”

P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… measurement uncertainty of complex curved surface[13]. Based on Taguchi experimental method, Vrba Iet al …” „… surface measured by generating method, polar coordinate method and rectangular coordinate method are …” „… measurement, in calibration of measuring equipment and in product verification [6] Goch G.: Gear Metrology …”

A.-K. Wiemann, M. Stein, K. Kniel Temperature influence on involute gear measurements S. 1557-1566

„… . Small manufacturing tolerances demand low measurement uncertainties in production metrology. A …” „… performed at exactly 20 °C, the international reference temperature for dimensional metrology. In this …” „… gears by means of dimensional metrology, it is of utmost importance to ensure traceability …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… for hardened gears. The quality and surface roughness which can be achieved are perfectly adequate …” „… important. These new, smart systems include gear design, process simulation, manufacturing and metrology …”

J. Neufond, E. Rigaud, J. Perret-Liaudet, A. Carbonelli Influence of tooth profile modifications on the dynamic behavior of a planetary gear set – Experimental investigation and numerical validation for different amplitudes of tooth profile modifications S. 765-776

„… [2-4]. The STE mainly results from tooth deflections, tooth surface modifications and manufacturing …” „… metrology reports. The dynamic response is computed using a method described in [6]. The computational …”

doi.org/10.51202/9783181023556

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Drivetrain for Vehicles 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2313 2017

Results in this title

G. Goch, Y. Peng, K. Ni, A. Günther Optical and areal measurements and evaluations of cylindrical gears S. 31-32

„… Ni, Center for Precision Metrology (CPM), University of North Carolina at Charlotte (UNCC …” „… . Other than in conventional gear metrology, these points cover the whole flank instead of only one …” „… (CMMs) has been a dominant method over the past decades in gear metrology [1]. Line oriented …”

doi.org/10.51202/9783181023136

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Messunsicherheit praxisgerecht bestimmen – Prüfprozesse in der industriellen Praxis 2021

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2390 2021

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Z. Jiao, G. Dai, R. Tutsch Investigation of the measurement uncertainty in the 2D-instrument transfer function (ITF) characterization of areal surface topography measuring instruments S. 361-366

„… and focus variation microscopy have been widely applied for surface metrology with advantages of fast …” „… ) characterization of areal surface topography measuring instruments M.Sc. Z. Jiao, Dr.-Ing. G. Dai, Prof. Dr …” „… Datenauswertungssoftware, werden erfolgreich untersucht. 1. Introduction Surface topography plays an important role in …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… ), Budapest, Ungarn; M. Rozikova, M. Vičarova, Czech Metrology Institute (CMI), Brno, Tschechien; L. C …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 D. Imkamp, Carl ZEISS Industrielle Messtechnik, Oberkochen; A. Martin, HEXAGON Metrology GmbH …” „… ) characterization of areal surface topography measuring instruments …”

J. Degenhardt, G. Dai, R. Tutsch Praxisorientierte, simulative Abschätzung von Unsicherheiten komplexer Messsysteme S. 63-74

„… International Graduate School of Metrology B-IGSM. Literatur [1] ISO/IEC Guide 98-3:2008-09 Messunsicherheit …” „… , surface reconstruction, and tip estimation, Journal of Research of the National Institute of Standards …”

doi.org/10.51202/9783181023907

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Kunststoffe im Automobilbau 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4347 2017

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P. Gamonal-Repiso, J.M. del-Mazo, M. Sánchez-Soto Surface quality: improving the quality perception of molded parts S. 193-204

„… metrology. LLC, USA: 2014. [6] Stout, K. J, Development of Methods for the Surface Characterization of …” „… . Computational surface and roundness metrology. Springer, USA: 2009. [8] Thomas, T. R. Rough Surfaces. Imperial …” „… College Press, London: 1999. [9] Whitehouse D. J. Handbook of Surface Metrology. Institute of Physics …”

doi.org/10.51202/9783182443476

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Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4348 2017

Results in this title

P. Gamonal-Repiso, J.M. del-Mazo, M. Sánchez-Soto Surface quality: improving the quality perception of molded parts S. 191-202

„… metrology. LLC, USA: 2014. [6] Stout, K. J, Development of Methods for the Surface Characterization of …” „… . Computational surface and roundness metrology. Springer, USA: 2009. [8] Thomas, T. R. Rough Surfaces. Imperial …” „… College Press, London: 1999. [9] Whitehouse D. J. Handbook of Surface Metrology. Institute of Physics …”

doi.org/10.51202/9783182443483

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OPE Journal

Browse Volumes: OPE Journal

OPE Volume 12 (2022) Issue 40 ISSN Online: 2366-8040

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Award-winning and disruptive S. 22-23

„… solution is PolytecPerformance beyond metrologyOptical surface metrology from Polytec allows the areal …” „… . technologyRead more: polytec.com/surface-metrology Characterizing microchips for flexible electronics? Your …” „… and precise surface characterization of micro- structures. The TopMap series of coherence scanning …”

doi.org/10.51202/2366-8040-2022-40

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

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K. Lübke, K. Stein Quality inspection of special geometries measured with computed tomography – Evaluation of involute cylindrical gears according to ISO 1328-1 S. 1787-1802

„… cylindrical gears according to ISO 1328-1 K Lübke, Hexagon Metrology GmbH, Wetzlar, Germany; K. Stein …” „… voxel-based point cloud [2,3,4]. It can be exported in a surface-based STL data format, representing the …” „… surface via a mesh of triangles [5]. Therefore, the following evaluation must be based on software …”

A. Wedmann, M. Stein, K. Kniel Large gear metrology at PTB S. 1803-1820

„… Large gear metrology at PTB Experience and measurement results in the field of large gear metrology …” „… , Department 5.3, Coordinate Metrology, Braunschweig, Germany Zusammenfassung Windenergieanlagen (WEA …” „… . This paper gives an overview of the knowledge gained up to now in large gear metrology at PTB. It is …”

C. Dongu Im, W.-J. Chung, J.-H. Park, D.-J. Moon, Pfor. Y.-J. Park The effect of working surface deviation on transmission error in helical gears S. 1125-1134

„… The effect of working surface deviation on transmission error in helical gears Ph. D. Candidate …” „… been demonstrated to cause the sideband, and tooth profile error on the working surface of the teeth …” „… simulation model was developed considering working surface deviation of helical gears. To include such error …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… , Italy;A. Bongiovanni, University of Turin, Turin, Italy Gear metrologyQuality inspection of special …” „… high-speed gears with an isotropic superfinished surface 227J. Vorgerd, P. Tenberge, M. Steinrötter, Chair of …” „… . Cihak-Bayr, T. Wopelka, C. Wintersteiger, AC2T research GmbH, Wiener Neustadt, AustriaInfluence of Surface …”

B. Devaux, C. Hamon, S. Montani Evaluation of specialty polymer performances in gear applications and the bias between modeling and testing approaches S. 1515-1532

„… projects, we have thus the ambition to build internal tools (injection molding molds, metrology and …” „… performed using a contact machine. Then, an optical scan (non-contact approach) provides the real 3D surface …” „… information is used to control the temperature of the climatic room in order to maintain the surface of the …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… root strains. These are equidistantly spaced and attached to the surface by means of an adhesive bond …” „… surface of the sphere are compared with theoretically ideal values and, if necessary, the machine and …” „… , measured through three probing points at their outer diameter surfaces for setups S1 and S2. In both setups …”

M. Brumm, D. Sari Complete machining of complex transmission parts S. 1581-1590

„… behavior is worse and the dynamic behavior must be analyzed to achieve a good flank surface while skiving …” „… learn independent from the machine project? Metrology is often underestimated. If a machine for complete …”

doi.org/10.51202/9783181024225

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Metrology in digital production

VDI / VDE (ed.)

Series: Blaue Papiere

Volume 04/2023 2023

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Existing standardised interfaces and models for integration S. 10-16

„… format based on a triangulation of the surface [STL 1988] and in surface metrology the x3p format (ISO …” „… 10 VDI Status Report – Metrology in digital production www.vdi.de 3 Existing standardised …” „… interfaces and models for integration 3.1 Introduction In the field of metrology, there are various …”

Bibliography S. 26-32

„… 26 VDI Status Report – Metrology in digital production www.vdi.de Bibliography Technical Rules …” „… DIN 1319-1 1995-01 Fundamentals of metrology - Part 1: Basic concepts DIN 1319-2 2005-10 Fundamentals …” „… of metrology - Part 2: Terms for measuring equipment DIN 32937 Monitoring of measuring and inspetion …”

Models S. 17-25

„… VDI Status Report – Metrology in digital production 17 www.vdi.de 4 Models The development of …” „… – Metrology in digital production www.vdi.de Figure 8. Model of the measurement order, the measuring …” „… – Metrology in digital production 19 www.vdi.de  If all administrative constraints have been met and a …”

doi.org/10.51202/9783949971303

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Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

Benjamin Schleich

Series: Konstruktionstechnik/Maschinenelemente

Volume 438 2017

Results in this title

Bibliography S. 199-238

„… . and Séqin, C. H. Type-Constrained Direct Fi@ing of `adric Surfaces. Computer- Aided Design and …” „… . Parameterization of clouds of unorganized points using dynamic base surfaces. Computer-Aided Design, 36(7):607 …” „… Coordinates Metrology in Agreement with the Definition of Standardized Specifications. CIRP Annals …”

A comprehensive Framework for the Computer-Aided Tolerance Analysis based on Skin Model Shapes S. 85-156

„… as point clouds and surface meshes, which can hence serve as part representatives in simulations and …” „… verification based on algorithms for the computational metrology is provided. 7ereaqer, algorithms for the …” „… computational metrology, that evaluate point sets, which have been obtained from the workpiece by optical and …”

Context and State of the Art S. 5-62

„… (Technical Drawings) and the ISO TC 57 (Metrology and Properties of Surfaces) [Ben98]. As it became obvious …” „… , surface texture, form, orientation, location, and runout (see Figure 2.1) [ISO4287, ISO14405-1, ISO1101 …” „… of surface imperfections and [DIN4760] differentiates form errors according to the ratio between the …”

The Concept of Skin Model Shapes as a new Paradigm for the Modelling of Geometrical Variations S. 67-84

„… nominal model as well as to the non-ideal surface model. 7is non-ideal surface model (Skin Model …” „… Model is a model of the physical workpiece surface. 7erefore, there is a clear distinction between the …” „… workpiece surface in the physical world and its model in the abstract world. On the other hand, coming from …”

doi.org/10.51202/9783186438010

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Messunsicherheit 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2365 2019

Results in this title

S. Vasilyan, N. Rogge, T. Fröhlich Metrology in direct photon momentum measurement S. 193-206

„… Metrology in direkter Photonenimpulsmessung Metrology in direct photon momentum measurement …” „… that is produced due to reflection of the laser beam from an ultra-high reflective surface (mirrors …” „… re-emitted photons provides a complementary possibility for metrology to generate calibration forces or to …”

F. Fern, R. Schienbein, R. Füßl Neues Konzept für eine fünfachsige Nanomessmaschine S. 131-138

„… and freeform surfaces with a measuring volume of 25x25x5 mm³ and maximum elevation of 60°. The sample …” „… which measure the distance to a hemispherical reference surface. 1. Einleitung Durch die vermehrte …” „… Metrology of Freeforms and Complex Lenses. In: Optik & Photonik 13 (2018), Nr. 1, S. 40–43 [4] HENSELMANS …”

A. M. Müller, T. Hausotte Verbesserung dimensioneller Messungen auf Grundlage der Einzelpunktgüte und -Messunsicherheit S. 179-192

„… in order to obtain truthful surface texture parameters / Beurteilung der Notwendigkeit einer …” „… , „Automated detection of artefacts for computed tomography in dimensional metrology“ in Digital Industrial …” „… , „Evaluating and visualizing the quality of surface points determined from computed tomography volume data“ in …”

T. Kistner Oberflächenformmodelle mechanisch bearbeiteter Werkstücke für die Messunsicherheitsbestimmung mit dem virtuellen Koordinatenmessgerät S. 159-170

„… the provision of suitable surface models. These models represent the surface to be measured and can be …” „… for Guides in Metrology), 2008. (Internet: http://www.bipm.org/en/publications/ guides/gum.html). [4 …”

doi.org/10.51202/9783181023655

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Form- und Konturmesstechnik 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2285 2016

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D. Hüser Software-Normale und Referenzsoftware für Filterung nach ISO 16610 S. 255-266

„… . Vorburger. Surface metrology algorithm testing system. Prec. Eng. 37, pp. 218-225, 2007, doi: 10.1016 …” „… short review on software testing in roughness metrology is given. Furthermore, it will be outlined …” „… EURAMET (European Association of National Metrology Institutes) gefördertes Verbundprojekt unter dem …”

D. Imkamp, E. Schuster, M. Basel, H. Daxauer, A. Fuchs, T. Mayer Systeme zur Messung komplexer Oberflächen und ihre Leistungsbewertung S. 87-98

„… complex surface and their performance evaluation Dr.-Ing. D. Imkamp, Dipl.-Ing. E. Schuster, Carl Zeiss …” „… variety of available measuring system for capturing surface shape of industrial manufactured products has …” „… . 31-33. [4] Savio, E., De Chiffre, L., Schmitt, R.: Metrology of freeform shaped parts, in: Annals of …”

G. Blobel, M. Schulz Vergleichsmessungen an Asphären S. 3-16

„… presents a method for the measurement data analysis of optical aspheres and freeform surfaces. Measurement …” „… precisely aligned with each other and the deviations from the design topography are observed. The surface …” „… finanzielle Unterstützung der Arbeiten im Projekt „Optical and tactile metrology for asphere form …”

J. Illemann Strukturauflösung in der Koordinatenmesstechnik S. 217-232

„… . “Determination of metrological structural resolution of a CT system using the frequency response on surface …” „… determine the structural resolution in coordinate metrology.“, Proc. of ISMTII 2013, the 11th International …” „… to determine the structural resolution in coordinate metrology. Measurement Science and Technology …”

doi.org/10.51202/9783181022856

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

Results in this title

K. Lubke, M. Stein, S. Lin Validation of evaluation algorithms for cylindrical involute gears on coordinate measuring machines – new challenges according to standardization S. 1529-1538

„… – New challenges according to standardization Karsten Lübke, Hexagon Metrology GmbH, Wetzlar Martin …” „… computational-intensive metrology project” which led to an online validation software test service over the last decade …” „… requires an additional radius correction to get a surface point on the involute flank. For different …”

A. Turich Gear hard finishing with up to 100% in-process inspection S. 1583-XL

„… establishing a “closed loop” connection between the metrology system VDI-Berichte Nr. 2389, 20221584and the …” „… employing so called “shop-hardened” metrology centers. Fig. 2: Influence of capability values on …” „… metrology system which is capable of inspecting gears as fast as they are produced and which can easily be …”

K. Lubke, H. Rohr Quality inspection of common step gearings – Overview of different types and their assessment S. 959-968

„… . Lübke, Hexagon Metrology GmbH, Wetzlar; H. Röhr, Wetzlar Abstract Step gearings or cam mechanisms are …” „… . Quality inspection requires the generation of points on the surfaces where the follower is moving. This is …” „… of large cams the measurement of the surface points must be possible without rotary tables. This …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… non-uniform rational b-spline surfaces 171F. Müller, S. Schumann, B. Schlecht, Institute …” „… simulation and metrology …” „… within the dry lubricated rolling- sliding contact of coated surfaces …”

D. Sackmann, T. Husemann, B. Karpuschewski The effect of a multi-stage grinding process on the barkhausen noise signal S. 695-706

„… grinding processes can lead to a negatively influenced surface integrity, e.g., residual tensile stresses …” „… and tempering zones. For inspection of ground surfaces, the analysis of the Barkhausen noise is …” „… usually followed by finish grinding in order to generate high-quality surface conditions. Possible damages …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… speed of 1400 rpm. All tests were conducted in unlubricated conditions. The nominal gear surface …” „… superfinish to smooth the surfaces and remove the sharp edges left after cutting [10]. The surface roughness …” „… on the tooth flanks was measured on a Tesa Rugosurf 90G profilometer before the test. The surface …”

B. James Developing a digital thread linking gear design to manufacturing simulation and metrology S. 185-196

„… Developing a Digital Thread linking Gear Design to Manufacturing Simulation and Metrology Barry …” „… , manufacturing simulation and metrology of cylindrical gears are linked together, marking a significant step …” „… ) design and simulation – e.g. Romax  Gear manufacturing simulation – e.g. Dontyne  Gear metrology …”

A. Wedmann, M. Stein, K. Kniel Gear calibration in tactile scanning mode on CMMs S. 1539-1552

„… scanning speeds undesired smoothing of the surface can occur. As a result, the form deviations may be …” „… surface condition of the test piece, the ball diameter and the probing force. One way to avoid such wear …” „… . Either two circular measurements or the measurement of a plane surface and a circle on the gear standard …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… alignment between the contact surfaces, the formation of wear reducing interlayers composed of wear …” „… geometric and microstructural factors can influence the run-in and the steady state; among others surface …” „… PMM 654, by Hexagon Metrology GmbH, Wetzlar, Germany. The measurements were performed by the Institute …”

doi.org/10.51202/9783181023891

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wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 102 (2012) Issue 11-12 ISSN Online: 1436-4980

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Marc Sandner, Jan Burke, Christoph von Kopylow, Ralf B. Bergmann Messen und Prüfen mit Licht* S. 777-782

„… Optical metrology techniques are contactless and non-destructive, and can be employed in industrial …” „… -scribed here are very fast. For rough surfaces, fringe projection systems generate form data with µm …” „… uncertainty. Reflective surfaces can be measured with similar accuracy using the fringe reflection technique …”

doi.org/10.37544/1436-4980-2012-11-12

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Results (66)