Special Interest Group Meeting: Advancing Precision in Additive Manufacturing
21st – 23rd September 2021
Programme
Our joint Special Interest Group meeting between euspen and ASPE on Advancing Precision in Additive Manufacturing is held over 3 days and the daily programme is detailed below. Please note that all times are shown in Central European Summer Time (CEST)
Tuesday 21st September 2021
Time | Programme |
09:00 – 10:30 | Tutorial: Non-destructive testing for additive manufacturing (Part 1) Ben Dutton, Manufacturing Technology Centre, UK |
10:30 – 11:00 | Coffee break |
11:00 – 12:30 | Non-destructive testing for additive manufacturing (Part 2) |
Time | Programme |
13:00 – 13:05 | Welcome address: Richard Leach, euspen Vice President |
13:05 – 13:15 | Welcome address by meeting chair: John Taylor, University of North Carolina at Charlotte, US |
13:15 – 13:45 | Keynote: Next generation design for additive manufacturing and how the technologies need to adapt Bernhard Mueller, Fraunhofer IWU, DE |
13:45 – 14:45
Chair: John Taylor | Session 1: Industrial application & process optimization 13:45 Printing miniature valves by micro-SLA for soft robotics 14:00 Influence of the CNC behaviour on the laser spot trajectory in LPBF process 14:15 Toward specification of complex additive manufactured metal surfaces for optimum heat transfer 14:30 Surface topography process signatures in nickel superalloy 625 additive manufacturing |
14:45 – 15:05 | Coffee and debate on Industrial application & process optimization |
15:05 – 15:20 | Coffee break |
15:20 – 15:50 | Keynote: Transforming the supply chain of metal components for industrial gas turbines through the new possibilities of additive manufacturing Marco Salvisberg, GF Casting Solutions, CH |
15:50 – 16:35
Chair: Geoff McFarland | Session 2: Integration of AM into a holistic manufacturing process 15:50 Improving additive manufactured surfaces properties with post processing techniques 16:05 Computer vision based zero point estimation for hybrid builds in metal additive manufacturing 16:20 Accuracy and microstructure of additively manufactured and post‐machined parts |
16:35 – 16:55 | Coffee and debate on Integration of AM into a holistic manufacturing process |
Wednesday 22nd September 2021
Time | Programme |
09:00 – 09:25 | SOTA: Precision engineering challenges in micro/nanoscale additive manufacturing Michael A. Cullinan, University of Texas at Austin, US |
09:25 – 09:55 Chair: Michael A Cullinan | Session 3: Focus on micro-nano 09:25 Insights into challenges and potentials of two-photon lithography 09:40 Characterizing shrinkage and quality of ceramic two-photon printed microstructures |
09:55 – 10:10 | Coffee and debate on Focus on micro-nano |
10:10 – 11:40 Chair: Filippo Zanini | Session 4: Focus on lattice structures (Part 1) 10:10 Direct additive manufactured beam shape defect identification from computed tomography and modal decomposition 10:25 A two step modelling approach to limit the exploitable AM parameter space and optimized parameter selection for finest lattice structures using LPBF |
10:40 – 11:00 | Coffee break |
11:00 – 11:45
| Session 4: Focus on lattice structures (Part 2) 11:00 Influence of the processing parameters on the dimensional accuracy of In625 lattice structures made by laser powder bed fusion 11:15 Design and measurement strategy of additive manufacturing lattice benchmark artefact 11:30 Testing the similarity conditions in the CT measurement of additively manufactured lattice structures |
11:45 – 12:10 | Coffee and debate on Focus on lattice structures |
12:10 – 12:45 | Lunch break |
12:45 – 13:00 | Commercial Session
|
13:00 – 14:00
Chair: Adam Thompson | Poster session Surface irregularities of metal SLM part with different surface inclinations and their impact on surface texture characterization Topology optimization for additive manufacturing Precise additive methods applications in micro and nano – parts manufacturing – a review Prediction of dimensional accuracy and warpage of additive manufactured parts using finite element model Micro-replication of high precision optically enhanced moulds fabricated by multiphoton polymerization High-resolution X-ray computed tomography for additive manufacturing: Towards traceable porosity defect measurements using digital twins Impulse excitation technique for improved inspection in additive manufacturing Dimensional accuracy of an artifact for rapid casting Enhancing surface finish consistency by novel ECM process on SLM AM components Application of metal additive manufacturing material extrusion in the production of tool inserts for polymer profile extrusion die surface roughness investigation |
14:00 – 14:25 | SOTA: In-process measurement methods for defect identification in metal powder bed fusion Afaf Remani, University of Nottingham, UK |
14:25 – 14:55 Chair: Richard Leach
| Session 5: In-process metrology and data fusion (Part 1) 14:25 Smart machines for fused filament fabrication based on multi-sensor data fusion, digital twins and machine learning 14:40 Fast measurement of metal laser powder bed fusion layer surfaces using light scattering and principal component analysis |
14:55 – 15:15 | Coffee break |
15:15– 16:00
| Session 5: In-process metrology and data fusion (Part 2) 15:15 Stereo camera based in-situ monitoring of L-PBF process stability by spatter detection 15:30 Design of a multi-sensor measurement system for in-situ defect identification in metal additive manufacturing 15:45 Establishing an analytical framework of fringe projection with enhanced measurement performance specifically for powder bed fusion additive manufacturing process |
16:00– 16:30 | Coffee and debate on In-process metrology and data fusion |
Thursday 23rd September 2021
Time | Programme |
09:00 – 09:30 | Keynote: Evaluation of hybrid AM technology chains considering process accuracies for the integration into industrial production Martin Schaefer, Siemens AG, DE |
09:30 – 09:55 | SOTA: Machine learning for precision engineering Joe Eastwood, University of Nottingham, UK |
09:55 –10:25 Chair: Liam Blunt | Session 6: Metrology (Part 1) 09:55 Direct part density inspection in laser powder bed fusion using eddy current 10:10 Analysis of metal powder geometrical characteristics influencing the quality of additively manufactured parts |
10:25 – 10:45 | Coffee break |
10:45 – 11:45 | Session 6: Metrology (Part 2) 10:45 Comparison of dimensional measurements from images acquired by synchrotron tomography with VGSTUDIO MAX and ImageJ 11:00 Quantifying the influence of local porosity on the colour differences of dyed laser sintered polyamide-12 with X-ray CT 11:15 Characterisation of high speed sintering surface topography with re-entrant open surface pores using 3D surface texture parameters and material ratio curve 11:30 Exploratory research on the correlation of probability of detection and image quality during the tomographic characterisation of additive manufacturing defects |
11:45 – 12:15 | Coffee and debate on Metrology |
12:15 – 12:35 | Closing remarks by Richard Leach, University of Nottingham & John Taylor, University of North Carolina at Charlotte, US |