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Included in NETME Centre

FACULTY OF MECHANICAL ENGINEERING, BUT BRNO DEPARTMENT OF REVERSE ENGINEERING AND ADDITIVE MANUFACTURING

Quality control Robotic machining Rapid prototyping in prosthetics

Additive manufacturing of metal parts Mechanical and industrial design 3D optical digitalization



Outline About Institute Partners Laboratories and equipmnent Areas of interest Research and Ph.D. studies Education

Addres: GPS:49°13'29.590"N 16°34'26.252"E Fakulta strojního inženýrství Vysoké učení technické v Brně Technická 2896/2 616 69 Brno Czech Republic



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LABORATORY Additive manufacturing • SLM HL280, 400W laser • Dimension SST1200 • Zcorp • Reprap systems for students • Development of fast RP



LABORATORY Optical digitization and quality control ATOS I ATOS Triple Scan 8M Tritop Nikon D300s Rotary table Lift



LABORATORY Robotic machining - Kuka 60HA



AREA OF INTEREST Reverse engineering • Measuring of geometry • Cca Ø1m, length 1,2m • Damage identification • New geometry mock-up



STL processing 3D optical scanning

Drawing Deviations control

Feature building

CAD features

videa motor/HDV_0169.MP4



AREA OF INTEREST Large objects digitizing Tritop – Photogrammetry Pictures: 156 Coded points: 120 Non-coded points: 25054 Deformation analyses



Prosthetic and orthotic 3D digitizing of human body Facial digitizing Development of new prototypes



AREA OF INTEREST Industrial design 3D digitization of car frames Shape study Real dimensions Big parts and objects



AREA OF INTEREST New industrial design New product design of multicamera system ATOS = Precise 3D digitizing Faster project realization



AREA OF INTEREST Digitizing of small objects Measuring of cavities Export to „asc“ Evaluation od small obejcts



RESEARCH Additive manufacturing Geometric analyses Geometric tolerances Circumscribed and inscribed cylinder Gauss


FACULTY OF MECHANICAL ENGINEERING, BUT BRNO DEPARTMENT OF REVERSE ENGINEERING AND ADDITIVE MANUFACTURING RESEARCH

RESEARCH Observation of Lubricant Film Between Artificial Head and Cup

Film thickness analysis Measuring of head and cup



RESEARCH GACR - Czech Science Foundation Development of SLM 2618 aluminium alloy Development of SLM parameters Research in the area of nano particles Mechanical testing



Ph.D. projects Automated generation of scanning positions Benefits Faster then manually Better positions Smaller number of positions Whole part scanned Illumination models included



Ph.D. projects Automated generation of scanning positions Solution KUKA KR60HA robot + ATOS Development of a plug-in for Rhinoceros Robot positions and collisions Visibility of the parts segments Reflections (reflectance model)

Outcomes Faster positions generation (four times faster) Completeness of the scanned part: >99%



Ph.D. projects MEASUREMENT AND EVALUATION OF AXIS STRAIGHTNESS OF ROTARY FORGINGS USING PHOTOGRAMMETRY Benefits Non-contact shape measurement of rotationally

symmetric forgings under high temperature Accuracy of measurement Faster then manually measurement Automation of process



Ph.D. projects MEASUREMENT OF AXIS STRAIGHTNESS OF ROTARY FORGINGS USING PHOTOGRAMMETRY Solution Two cameras system Image analysis

Comparative measurement using a professional photogrammetric system

Outcomes Deflection error < 0.23 mm Location of max. deflection error < 10 mm (depends on adjusted cross sections distance) Length of the samples error < 10 mm (depends on adjusted cross sections distance) Diameter error <0.4 mm (unheat), <1,2 mm (unheat, due to scars)



RESEARCH Effect of matte coating on 3D optical measurement accuracy

Range of chalk coating at 44 μm Titanium coating at 5 μm In principle, the titanium coating

range is approximately ten times smaller than chalk coating.



RESEARCH Design of spacecraft components for additive manufacturing for ESA Thales Alenia Space LK Engineering VUT Brno Topology optimized bracket Selective laser melting Geometry control Mechanical testing



Samples of papers IF papers Palousek, D., Omasta, M., Koutny, D., Bednar, J., Koutecky, T. and Dokoupil, F. (2015) ‘Effect of matte coating on 3D optical

measurement accuracy’, Optical Materials, 40(0), 1-9. Palousek, D., Rosicky, J. and Koutny, D. (2014a). Use of digital technologies for nasal prosthesis manufacturing, Prosthetics

and Orthotics International, 38(2), 171-175. T. Koutecky, D. Palousek, and J. Brandejs, „Method of photogrammetric measurement automation using TRITOP system and

industrial robot,“ Optik, vol. 124, pp. 3705-3709, 2013 2013. D. Palousek, J. Rosicky, D. Koutny, P. Stoklasek, and T. Navrat, „Pilot study of the wrist orthosis design process,“Rapid

Prototyping Journal, vol. 20, pp. 27-32, 2014 2014. M. Omasta, D. Palousek, T. Navrat, and J. Rosicky, „Finite element analysis for the evaluation of the structural behaviour, of

a prosthesis for trans-tibial amputees,“ Medical Engineering & Physics, vol. 34, pp. 38-45, Jan 2012. J. Kaiser, K. Stĕpánková, T. Koř istková, O. Šedo, G. Melnyk, M. Hartl, et al., „Determination of the cause of selected canine

urolith formation by advanced analytical methods,“ Journal of Small Animal Practice, vol. 53, pp. 646-651, 2012. I. Cizmar, Z. Florian, T. Navrat, and D. Palousek, „A BIOMECHANICAL STUDY OF A SUTURE BETWEEN THE DELTOID MUSCLE

AND A FREE TENDON GRAFT FOR RECONSTRUCTION OF THE ELBOW EXTENSION,“ Biomedical Papers-Olomouc, vol. 155, pp. 79-83, 2011.

Others A. Zatocilova, R. Poliscuk, D. Palousek, and J. Brandejs, „Photogrammetry based system for the measurement of cylindrical

forgings axis straightness,“ Optical Measurement Systems for Industrial Inspection Viii, vol. 8788, 2013 2013. D. Palousek, P. Krejci, and J. Rosicky, „Long-Term Monitoring of Transtibial Prosthesis Deformation,“Recent Advances in

Mechatronics: 2008-2009, pp. 419-424, 2009. D. Palousek, D. Koutny, F. Prazak, M. Vaverka, M. Vrbka, J. Brandejs, et al., „Innovative approaches to mechanical

engineering education at Brno University of Technology,“ Proceedings of the International Conference on Mechanical Engineering and Mechanics 2007, Vols 1 and 2, pp. 2194-2199, 2007.



EDUCATION Deformation analyses and mechanical testing Deformation of mechanical components Temperature deformations



EDUCATION CAD systems and software tools CATIA PTC/Creo Rhinoceros Grasshopper Autodesk Inventor Magics Design X GOM Inspect



EDUCATION Students 3D printer Fast printing Large objects PLA/ABS materials Development of FDM parameters



Reverse engineering Inspection, design Rapid prototyping Metal and plastics parts 3D optical digitization Quality control Industrial design Models Robotic tooling Molds and



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