Proceedings of the 6th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2022)

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A Software System to Accurately Calculate Parts Temperature for Hot Stamping

Authors
P. X. He1, D. F. Zheng1, L. Y. Shi1, R. L. Wang1, J. P. Lin2, 3, *, Z. H. Zhao2, 3, Y. K. Gu2, 3
1Jinan Aotto Automation Co., Ltd., Jinan, Shandong, China
2School of Mechanical Engineering, Tongji University, Shanghai, 201804, China
3Shanghai Key Laboratory for A&D of Metallic Functional Material, Tongji University, Shanghai, 200092, China
*Corresponding author. Email: jplin58@tongji.edu.cn
Corresponding Author
J. P. Lin
Available Online 2 March 2023.
DOI
10.2991/978-94-6463-114-2_51How to use a DOI?
Keywords
Infrared thermal imaging system; Temperature; Emissivity; Hot stamping
Abstract

Infrared thermal imaging system is a key component in hot stamping and is commonly used to collect parts temperature during the part production process. However, due to the inappropriate setting of the emissivity, the output produced via such system usually lack accuracy and consistency. A ± 150 ℃ temperature measurement error was observed at several hot-stamping lines. In this paper, a new infrared software system is proposed to calculate parts temperature by utilizing a mathematical model behind the scenes. The system factorizes 3D model of the part, position of the thermal camera and parameters of the environment to calculating the directional emissivity, which is further used to compensate the output obtained from the thermal camera. Compared to traditional thermal systems, the proposed software system achieved 83% increase in accuracy (±25 ℃ vs ±150 ℃ in measurement error). Nonetheless, usage of such software system will be discussed. For example, double sheet detection for hot stamping line have been implemented by setting the threshold of part temperature and dispatch warnings to PLCs via ProfiNet or Ethercat protocol. In combined with IIot and machine learning techniques, quality prediction system for hot stamping have also been built.

Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 6th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2022)
Series
Atlantis Highlights in Material Sciences and Technology
Publication Date
2 March 2023
ISBN
10.2991/978-94-6463-114-2_51
ISSN
2590-3217
DOI
10.2991/978-94-6463-114-2_51How to use a DOI?
Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - P. X. He
AU  - D. F. Zheng
AU  - L. Y. Shi
AU  - R. L. Wang
AU  - J. P. Lin
AU  - Z. H. Zhao
AU  - Y. K. Gu
PY  - 2023
DA  - 2023/03/02
TI  - A Software System to Accurately Calculate Parts Temperature for Hot Stamping
BT  - Proceedings of the 6th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2022)
PB  - Atlantis Press
SP  - 388
EP  - 394
SN  - 2590-3217
UR  - https://doi.org/10.2991/978-94-6463-114-2_51
DO  - 10.2991/978-94-6463-114-2_51
ID  - He2023
ER  -