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Asnafi, N. (Ed.). (2020). 3rd International Conference on Material Engineering and Advanced Manufacturing Technology, 26–28 April 2019, Shanghai, China. Paper presented at 3rd International Conference on Material Engineering and Advanced Manufacturing Technology, Shanghai, China, April 26-28, 2019. Institute of Physics Publishing (IOPP)
Open this publication in new window or tab >>3rd International Conference on Material Engineering and Advanced Manufacturing Technology, 26–28 April 2019, Shanghai, China
2020 (English)Conference proceedings (editor) (Refereed)
Abstract [en]

We are very pleased to present the proceedings of the 3rd International Conference on Material Engineering and Advanced Manufacturing Technology (MEAMT 2019) that was held successfully under the auspices of IASED in Shanghai, China, April 26-28, 2019.

The theme of the conference - Material Engineering and Advanced Manufacturing Technology - is of key importance to the science and technology and a sustainable industrial development. This conference promotes valuable contacts between academia and industry and addresses both basic research and the societal/industrial technological needs within Material Engineering and Advanced Manufacturing Technology.

In this era of Industry 4.0, we hope that the conference provided applicable data/information, addressed the issues in the societal/industrial transformation, and facilitated exchange within and between academia and industry.

We want to express our gratitude to the program chairs and all members of the advisory, publicity, and technical committees for their valuable time and advices. We are grateful to the world renowned scientists who acted as keynote speakers at the conference.

After a rigorous review process, where each paper was reviewed by at least two reviewers, high quality papers were accepted for presentation at this conference. We would like to thank all the reviewers for their time, effort, and for completing their assignments on time albeit tight deadlines.

Many thanks to the authors for their valuable contributions and to the attendees for their active participation.

Finally, a big thank to the organizers who made this conference to yet another unforgettable experience.

Nader Asnafi

Professor of Mechanical Engineering, Örebro University, Sweden Editor of the proceedings of MEAMT 2019 One behalf of the conference committee.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2020
Series
IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, E-ISSN 1757-899X ; 715
National Category
Engineering and Technology Composite Science and Engineering Computer Sciences Manufacturing, Surface and Joining Technology
Identifiers
urn:nbn:se:oru:diva-79209 (URN)
Conference
3rd International Conference on Material Engineering and Advanced Manufacturing Technology, Shanghai, China, April 26-28, 2019
Available from: 2020-01-16 Created: 2020-01-16 Last updated: 2020-02-03Bibliographically approved
Asnafi, N. (Ed.). (2020). Metal Additive Manufacturing – State of the Art 2020: A special issue of Metals. MDPI
Open this publication in new window or tab >>Metal Additive Manufacturing – State of the Art 2020: A special issue of Metals
2020 (English)Collection (editor) (Refereed)
Abstract [en]

Additive manufacturing (AM), more popularly known as 3D printing, comprises a group of technologies used to produce objects through the addition (rather than removal) of material. AM is used in many industries—aerospace and defense, automotive, consumer products, industrial products, medical devices, and architecture. AM is transforming the industry, and this industrial transformation is expected to become more comprehensive and reach a higher pace during the coming years.

Additive manufacturing of metal components with virtually no geometric limitations has enabled new product design options and opportunities, increased product performance, shorter cycle time in part production, total cost reduction, shortened lead time, improved material efficiency, more sustainable products and processes, full circularity in the economy, and new revenue streams.

This Special Issue of Metals focuses on metal additive manufacturing with respect to the topics mentioned below (please see the Keywords/Topics below). The papers presented in this Special Issue give an account of the 2020 scientific, technological, and industrial state of the art for metal additive manufacturing from different perspectives (see the Keywords/Topics below). Your contribution to this 2020 account is highly valuable and appreciated. 

The submitted contribution should address metal additive manufacturing with respect to one or several of the following topics:

  • Business models and engineering
  • Product/component design (including generative design, topology optimization, lattice and surface optimization, etc.)
  • Industrial applications (aerospace, defense, automotive, consumer, medical, and industrial products, etc.)
  • Material and process design and engineering
  • New materials
  • Powder production and characterization
  • Systems and equipment engineering
  • Post-processing
  • Process control and optimization and quality assurance

Place, publisher, year, edition, pages
MDPI, 2020
Series
Metals, ISSN 2075-4701
National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78542 (URN)
Available from: 2019-12-11 Created: 2019-12-11 Last updated: 2019-12-11Bibliographically approved
Asnafi, N., Shams, T., Aspenberg, D. & Öberg, C. (2019). 3D Metal Printing from an Industrial Perspective: Product Design, Production, and Business Models. Berg- und Huttenmännische Monatshefte (BHM), 164(3), 91-100
Open this publication in new window or tab >>3D Metal Printing from an Industrial Perspective: Product Design, Production, and Business Models
2019 (English)In: Berg- und Huttenmännische Monatshefte (BHM), ISSN 0005-8912, E-ISSN 1613-7531, Vol. 164, no 3, p. 91-100Article in journal (Refereed) Published
Abstract [en]

This paper is focused on automotive stamping tools and dies as well as the impact of 3D metal printing and metals related 3D-printing on design and production of such tools and dies. The purpose has been to find out the current industrial potential of 3D-printing as far as lead time, costs, shapes, material usage, metal piece size, surface roughness, hardness, strength, and machinability are concerned. The business transformational impact of 3D-printing is also addressed in this paper. The obtained results show that the lead time can be halved, the costs are somewhat higher, and the strength, hardness, surface roughness, and machinability of the 3D-printed metallic tools and dies are as good as those of the conventionally made. The maximum size of a metal piece that can be 3D-printed today by Powder Bed Fusion (PBF) is, in the best case, 500 mm × 500 mm × 500 mm. 3D-printing can also be used for the pattern to make the mold box in iron and steel casting. It is also possible to eliminate the casting pattern, since the mold box can be 3D-printed directly. All this has started to have a large business impact, and it is therefore of great significance to outline and execute an action plan almost immediately.

Place, publisher, year, edition, pages
Vienna: Springer, 2019
Keywords
3D-printing, Additive manufacturing, Metal, PBF, SLA, Automotive, Stamping, Tools, Dies, Design, Topology optimization, Production, Maraging steel, Business transformation
National Category
Manufacturing, Surface and Joining Technology
Identifiers
urn:nbn:se:oru:diva-72486 (URN)10.1007/s00501-019-0827-z (DOI)
Available from: 2019-02-15 Created: 2019-02-15 Last updated: 2019-11-22Bibliographically approved
Asnafi, N. (2019). 3D Metal Printing of Industrial Tools & Dies. In: : . Paper presented at World Congress on Mechanical and Mechatronics Engineering, Dubai, UAE, April 15-16, 2019.
Open this publication in new window or tab >>3D Metal Printing of Industrial Tools & Dies
2019 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

Tool & die production is an important phase in the development of new components/product models. This phase determines both the lead time (Time-To-Production/-Market) and the size of the investments required to start the production. This paper is focused on Powder Bed Fusion (PBF) and summarizes the current position of 3D metal printing/additive manufacturing (henceforth called 3D metal printing)of industrial tools & dies. It also exhibits the new possibilities to design the tool/die differently simply because the new shape can be produced. Different types of generative design concepts such as form synthesis, topology optimization and lattice and surface optimization are exemplified. The paper exemplifies business cases, the shorter lead times, the associated improved material utilization degree, reduced weight,etc. Low volume production by 3D metal printing is discussed. High volume production by 3D metal printing of manufacturing tools and dies is described. The paper exhibits some examples of digitalization through virtual tool & die design and optimization of the tool& die production and how it provides greater flexibility, better efficiency, tremendous speed, improved sustainability and increased global competitiveness. 3D metal printing is expected to result in several changes in the supplier chain and generate new business models. The present paper describes some of the changes 3D metal printing has led to and is expected to result in within the engineering and automotive industry in Europe during the coming years.

National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78321 (URN)
Conference
World Congress on Mechanical and Mechatronics Engineering, Dubai, UAE, April 15-16, 2019
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N. & Alveflo, A. (2019). 3D Metal Printing of Stamping Tools & Dies and Injection Molds. In: The 11th Tooling Conference and Exhibition 2019: Communication along the supply chain in the tooling industry. Paper presented at The 11th Tooling Conference and Exhibition (TOOLING 2019), Aachen, Germany, May 12-16, 2019.
Open this publication in new window or tab >>3D Metal Printing of Stamping Tools & Dies and Injection Molds
2019 (English)In: The 11th Tooling Conference and Exhibition 2019: Communication along the supply chain in the tooling industry, 2019Conference paper, Published paper (Refereed)
Abstract [en]

Design and production of tools, dies and molds are two important steps in the development of new components/products. These steps determine both the lead time (Time-To-Production/-Market) and the size of the investments required to start the production. The lead time for design and production of tools and dies for a new car body and injection molds for plastic components need to be reduced significantly. This paper deals with design, production and business models for 3D metal printing of stamping tools and dies for sheet metal components and injection molds for plastic components. The new possibilities provided by 3D metal printing, such as complex shapes, significant lead time reduction, improved material utilization, reduced weight, better cooling and shorter cycle time are addressed in this paper. Generative design including topology optimization and a couple of powder materials are tested and verified in industrial applications. The impact of 3D metal printing on the business models for the addressed tools/dies/molds are evaluated and described in this paper.

Keywords
Additive Manufacturing, Stamping, Injection, Tool, Design, Maraging Steel, DP600, Uddeholm AM Corrax
National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78314 (URN)
Conference
The 11th Tooling Conference and Exhibition (TOOLING 2019), Aachen, Germany, May 12-16, 2019
Funder
Vinnova
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N., Rajalampi, J., Aspenberg, D. & Alveflo, A. (2019). Automotive Stamping Tools & Dies and Injection Mold made by Additive Manufacturing through Laser-based Powder Bed Fusion. In: Metal Additive Manufacturing Conference: Industrial Perspectives in Additive Technologies. Paper presented at Metal Additive Manufacturing Conference (MAMC 2019), Örebro, Sweden, November 25-27, 2019.
Open this publication in new window or tab >>Automotive Stamping Tools & Dies and Injection Mold made by Additive Manufacturing through Laser-based Powder Bed Fusion
2019 (English)In: Metal Additive Manufacturing Conference: Industrial Perspectives in Additive Technologies, 2019Conference paper, Published paper (Refereed)
Abstract [en]

Design and production of tools, dies and moulds are two important steps in the development of new components/products. These steps determine both the lead time (Time-To-Production/-Market) and the size of the investments required to start the production. This paper deals with design and production of stamping tools & dies for sheet metal components and injection moulds for plastic components. Laser-based Powder Bed Fusion (LPBF) is the additive manufacturing (henceforth even called 3D printing) method used in this investigation.

The stamping tools & dies should withstand the requirements set in stamping of hot-dip galvanized DP600. Solid and topology optimized forming and cutting/blanking/trimming tools made in maraging steel (DIN 1.2709) by LPBF are approved/certified for stamping of 2 mm thick DP600. A working station in a progressive die used for stamping of 1 mm thick DP600 is 3D-printed in DIN 1.2709, both with a honeycomb inner structure and after topology optimization, with successful results. 3D printing results in a significant lead time reduction and improved tool material efficiency. The cost for 3D-printed stamping tools and dies is somewhat higher than the cost of those made conventionally. DIN 1.2709 is certified in this study as tool material for stamping of hot-dip galvanized DP600.

The core (inserts) of an injection mould is 3D-printed in DIN 1.2709, conformal cooling optimized and 3D-printed in Uddeholm AM Corrax, and compared with the same core made conventionally. Additive manufacturing results in localized tool production and lower total costs. The cooling and cycle time can be improved significantly, if the injection moulding core (inserts) is optimized and 3D-printed in Uddeholm AM Corrax. The best results are obtained, if the 3D-printed core is NOT only an optimized copy of the conventionally designed and manufactured version. The best results are obtained, if the core is redesigned to utilize the full potential of 3D printing.

This paper accounts for the results obtained in the above-mentioned investigations.

National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78323 (URN)
Conference
Metal Additive Manufacturing Conference (MAMC 2019), Örebro, Sweden, November 25-27, 2019
Funder
Vinnova
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N., Rajalampi, J. & Aspenberg, D. (2019). Design and Validation of 3D-Printed Tools for Stamping of DP600. In: IOP Conference Series: Materials Science and Engineering. Paper presented at 38th International Deep Drawing Research Group Annual Conference (IDDRG 2019), Enschede, The Netherlands, June 3-7, 2019. Institute of Physics Publishing (IOPP), 651, Article ID 012010.
Open this publication in new window or tab >>Design and Validation of 3D-Printed Tools for Stamping of DP600
2019 (English)In: IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing (IOPP), 2019, Vol. 651, article id 012010Conference paper, Published paper (Refereed)
Abstract [en]

This paper is focused on automotive stamping tools & dies and the impact of 3D metal printing on design and production of such tools & dies. Forming (U-bend) and trimming/cutting/blanking tools & dies designed both conventionally and by topology optimization were 3D-printed, using Laser-based Powder Bed Fusion (LPBF), in the maraging steel DIN 1.2709. These 3D-printed tools were then used to form (U-bend) and trim/cut/blank 2-mm thick hot-dip galvanized DP600. An approval of the forming tool required that 50,000 U-bends were formed in 2-mm thick DP600 without any surface scratches on the sheet metal part. An approval of the trimming/cutting/blanking tool required 100,000 trimming strokes with this tool, where the maximum (sheet metal) burr height was lower than 0.2 mm (lower than 10% of the sheet thickness (2 mm in this study)). The 3D-printed forming and trimming/cutting/blanking tools & dies - both the conventionally designed and the topology optimized versions – managed the criteria mentioned above and were therefore approved. The approval means that these concepts can now be used to make production stamping tools and dies. This paper describes the topology optimization, the forming & trimming/cutting/blanking testing, the results yielding an approval of the 3D-printed tool concepts, and the 3D-printed production tools for stamping of DP600.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2019
National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78309 (URN)10.1088/1757-899X/651/1/012010 (DOI)
Conference
38th International Deep Drawing Research Group Annual Conference (IDDRG 2019), Enschede, The Netherlands, June 3-7, 2019
Funder
Vinnova
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N. (2019). Selective Laser heat Treatment to Tailor the Autobody Part Properties and Improve the Manufacturing Flexibility. In: : . Paper presented at 2nd World Congress on Mechanical and Mechatronics Engineering, Dubai, UAE, April 15-16, 2019.
Open this publication in new window or tab >>Selective Laser heat Treatment to Tailor the Autobody Part Properties and Improve the Manufacturing Flexibility
2019 (English)Conference paper, Oral presentation with published abstract (Other academic)
National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78322 (URN)
Conference
2nd World Congress on Mechanical and Mechatronics Engineering, Dubai, UAE, April 15-16, 2019
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N. (2019). Selective Laser heat Treatment to Tailor the Autobody Part Properties and Improve the Manufacturing Flexibility. In: : . Paper presented at The Second International Conference on Mechanical, Electric and Industrial Engineering (MEIE2019), Hangzhou, China, May 25-27, 2019.
Open this publication in new window or tab >>Selective Laser heat Treatment to Tailor the Autobody Part Properties and Improve the Manufacturing Flexibility
2019 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

This investigation is focused on the stamping behaviour of boron steel, the properties of which are modified by selective laser heat treatment. Both CO2 and fibre lasers are tested. By using different laser processing parameters, the hardening depth in the 1 mm thick boron steel sheet Boloc 02 is varied. Four routes are tested and verified. The forming operation (in which a so-called flexrail beam is produced) in all four routes is conducted at ambient (room) temperature. The Reference route comprises stamping of the sheet. The GridBlank route starts with selective laser heat treatment of the blank, after which the blank is allowed to cool down, moved to a hydraulic press and stamped. In the GridTube route, the blank is first stamped, after which the part is moved to a laser cell and selectively laser heat treated. The fourth route, the RapidLaser route, is similar to the GridBlank route, but a higher laser speed is used to promote higher total productivity. The GridBlank route results in the highest hardness values and the best shape accuracy. The initial sheet material exhibits a hardness of 200 HV, while the parts produced in the GridBlank route exhibit a hardness of 700 HV.

National Category
Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:oru:diva-78316 (URN)
Conference
The Second International Conference on Mechanical, Electric and Industrial Engineering (MEIE2019), Hangzhou, China, May 25-27, 2019
Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-04Bibliographically approved
Asnafi, N. (Ed.). (2019). The Second International Conference on Mechanical, Electric and Industrial Engineering, 25–27 May 2019, Hangzhou, China. Paper presented at The Second International Conference on Mechanical, Electric and Industrial Engineering, Hangzhou, China, May 25–27, 2019. Institute of Physics (IOP)
Open this publication in new window or tab >>The Second International Conference on Mechanical, Electric and Industrial Engineering, 25–27 May 2019, Hangzhou, China
2019 (English)Conference proceedings (editor) (Refereed)
Place, publisher, year, edition, pages
Institute of Physics (IOP), 2019
Series
Journal of Physics: Conference Series, ISSN 1742-6588, E-ISSN 1742-6596 ; 1303
National Category
Mechanical Engineering Electrical Engineering, Electronic Engineering, Information Engineering Production Engineering, Human Work Science and Ergonomics
Identifiers
urn:nbn:se:oru:diva-76092 (URN)
Conference
The Second International Conference on Mechanical, Electric and Industrial Engineering, Hangzhou, China, May 25–27, 2019
Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-09-09Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-8542-9006

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