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Computer Simulation in the Design of Tools and the Stamping Process of Non-Typical Shaped Drawpieces - A Case Study Cover

Computer Simulation in the Design of Tools and the Stamping Process of Non-Typical Shaped Drawpieces - A Case Study

Open Access
|Sep 2025

Figures & Tables

Fig. 1.

Hot stamping process

Fig. 2.

Passenger car beam

Fig. 3.

Stamping directions

Fig. 4.

Tools working surfaces

Fig. 5.

Stages of drawpieces forming

Fig. 7.

Distribution of cooling channels a) in the upper part of the tool b) in the lower part of the tool

Fig. 7.

Scaling factor of the pressure

Fig. 8.

Distribution of cooling channels a) in the upper part of the tool b) in the lower part of the tool

Fig. 9.

Temperature distribution in the drawpiece

Fig. 10.

Temperature distribution in tools

Fig. 11.

Share of martensite in the drawpiece

Fig. 12.

Parts of the tool a) lower part of the tool, b) upper part of the tool

Fig. 13.

Movable punch

Fig. 14.

Cooling water supply system for stamps

Fig. 15.

3D model of the coolant domain

Fig. 16.

FEM mesh of the punch model

Fig. 17.

Analysis boundary conditions

Fig. 18.

Temperature distribution in moving punches

Fig. 19.

The force of the drawpiece on the die

Fig. 20.

Drawpiece deformation after hardening (in relation to nominal shape)

Fig. 21.

FEM model for calculating the expansion of a) the lower part of the tools b) the upper part of the tools

Fig. 22.

Boundary conditions for the analysis of (a) the lower part of the tool (b) the upper part of the tool

Fig. 23.

Deformation in the lower part of the tool

Fig. 24.

Deformation in the upper part of the tool

Fig. 25.

Stamping die (lower part)

Fig. 26.

Photo of a sample of a drawpiece

Fig. 27.

Position of the measurement points on the drawpiece

Tab. 1.

Results of strength limit measurements Rm, MPa

Measurement point number
12345678910
Drawpiece numberW11747171217001762179518001732177617451766
W21712170317571784177917461708174317231785
W31719173117011745178117081719176117381777
W41770173917791711176717471779177317101764
W51757177117201709171117011739178017321799
W61792173417581778174617281703175117001717
W71742175117401786175717021709174417591729
W81789177417991717177117091700179917431729
W91735172417051713179517581775173017501745
W101764175517731755176417871720172017591773
W111715177017311720179017581715177117421755
W121728177917451703178417371704170417291781
W131721175317761740171717141782174017551726
W141742173217181704176117341730176917971743
W151755174717571800176517241783179217951742
W161777175017331717175617871771178917741756
W171726179017601769171717411707178517091771
W181741178917891700170817311767175817421765
W191707179718001800177217351717179317161731
W201775172717111795170017581738174217871764
Tab. 2.

Results of HV hardness measurements

Measurement point number
12345678910
Drawpiece numberW1591584604616583613598585610590
W2586612584614582605598597595612
W3619594615614613612594605613582
W4592581605609619599615602593584
W5599599620599616590587601598580
W6590617596609587607613616615583
W7607613612609593603599589593607
W8600600606592598615582604587601
W9598590606593597595618607598580
W10601598610595595580589587618583
W11583606582593610602605615588601
W12614597607598597615604590615616
W13617582618583585593596582587601
W14594611613607599596596603606580
W15592581595615585605618618591607
W16603595593604585613600612582610
W17610618580611594611595608615600
W18605587612589613607608583608597
W19594602599603603609612588619609
W20615606612596588598590592608614
Fig. 28.

Photo of a sample

Fig. 29.

The results of the tensile tests

Tab. 3.

Tensile test results

Sample numberYield strength Rp02, MPaTensile strength Rm, MPa
113551851
213161873
312621830
412841838
513361804
612791858
Fig. 30.

Locations where samples were taken for testing

Fig. 31.

Locations where samples were taken for testing

Tab. 4.

Results of HV hardness measurements

Measurement numberImprint/value
1graphic/j_ama-2025-0056_ingr_001.png579.1
2graphic/j_ama-2025-0056_ingr_002.png538.7
3graphic/j_ama-2025-0056_ingr_003.png533.4
4graphic/j_ama-2025-0056_ingr_004.png561.9
5graphic/j_ama-2025-0056_ingr_005.png573.3
6graphic/j_ama-2025-0056_ingr_006.png583.6
Fig. 32.

Microstructure photograph of the sample

Tab. 5.

Results of four-point bending test

SampleDuring studyAfter completion of the study
1graphic/j_ama-2025-0056_ingr_007.pnggraphic/j_ama-2025-0056_ingr_008.png
2graphic/j_ama-2025-0056_ingr_009.pnggraphic/j_ama-2025-0056_ingr_010.png
3graphic/j_ama-2025-0056_ingr_011.pnggraphic/j_ama-2025-0056_ingr_012.png
4graphic/j_ama-2025-0056_ingr_013.pnggraphic/j_ama-2025-0056_ingr_014.png
Fig. 33.

Example measurement report

Fig. 33.

The image from the thermal camera

DOI: https://doi.org/10.2478/ama-2025-0056 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
Language: English
Page range: 485 - 495
Submitted on: Feb 8, 2025
Accepted on: Sep 7, 2025
Published on: Sep 30, 2025
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services

© 2025 Piotr Danielczyk, Ireneusz WRÓBEL, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.