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Three Industrial Cases of Sheet Metal Forming Simulations with Elastic Dies
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.ORCID-id: 0000-0002-6526-976x
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.ORCID-id: 0000-0002-7730-506x
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.ORCID-id: 0000-0002-1162-7023
Dynamore Nord, Sweden..
Vise andre og tillknytning
2023 (engelsk)Inngår i: 42ND CONFERENCE OF THE INTERNATIONAL DEEP DRAWING RESEARCH GROUP / [ed] Asnafi, N Lindgren, LE, IOP PUBLISHING LTD , 2023, Vol. 1284, artikkel-id 012055Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Previous research and experience points to many advantages if sheet metal forming is simulated with elastic dies. Some areas that are enabled by simulations with elastic dies are virtual spotting, improved digital twins, and improved production support. A promising method was selected from the literature, and after important modifications it is deemed to be fast and robust for simulating industrial sized dies. The method consists of meshing die solids with a coarse mesh to represent the structural behaviour of the die. The forming surfaces are then represented by a fine shell mesh connected to the solid mesh by tied contacts with an offset. With additional modifications to reduce solver time this yields a robust and flexible way of modelling sheet metal forming with elastic dies. There is an increase in preprocessing and simulation time compared to using rigid tools, but industrial dies can now be modeled within an hour and solved within a working day. It is also easy to update the model by replacing separate parts such as die solids or forming surfaces. One of the main criteria in favor of the selected approach is the realistic modeling of blankholder and cushion systems. In this paper simulations of three industrial cases are demonstrated: one case of virtual die spotting and two cases of production support. The three cases demonstrate the importance and potential of using elastic dies during virtual die tryout, production support, and for cases like digital twins and production control.

sted, utgiver, år, opplag, sider
IOP PUBLISHING LTD , 2023. Vol. 1284, artikkel-id 012055
Serie
IOP Conference Series-Materials Science and Engineering, ISSN 1757-8981
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-25248DOI: 10.1088/1757-899X/1284/1/012055ISI: 001017824300055OAI: oai:DiVA.org:bth-25248DiVA, id: diva2:1786247
Konferanse
42nd Conference of the International-Deep-Drawing-Research-Group (IDDRG), JUN 19-22, 2023, Lulea, SWEDEN
Prosjekter
Eureka Smart Camber
Forskningsfinansiär
Vinnova, 201603324Vinnova, 2018-03331Tilgjengelig fra: 2023-08-08 Laget: 2023-08-08 Sist oppdatert: 2025-09-30bibliografisk kontrollert

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Pilthammar, JohanSigvant, MatsIslam, Md. Shafiqul

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