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Control-Oriented Characterization of Product Properties during Hot Hole-Flanging of X46Cr13 Sheet Material in a Progressive-Die

Martschin, Juri ; Meya, Rickmer; Klöser, Daniel; Meurer, Thomas ORCID iD icon; Tekkaya, A. Erman

Abstract:

Robust and versatile production is enabled by a closed-loop control of product properties. This essentially relies on the characterization of the interaction between properties and available degrees of freedom to control the process. In particular, this work examines the setting of collar height, thinning, curvature, and hardness during hot hole-flanging of X46Cr13 sheet material with simultaneous heat treatment to identify approaches for a closed-loop property control in hot hole-flanging during multi-stage hot sheet metal forming. To scrutinize the adjustability of the hardness of X46Cr13 sheet material by heat treatment with rapid heating and short dwell times, quenching tests with austenitizing temperatures from 900 to 1100 °C and dwell times from 1 to 300 s were carried out. A hardness between 317 and 680 HV10 was measured. By analyzing the force-displacement curve and the contact situation between tools and blank during hot hole-flanging, an understanding for the process was established. To determine the adjustability of geometrical collar properties and the hardness of the collar, collars were formed at punch speeds between 5 and 100 mm/s and at different temperatures. ... mehr


Verlagsausgabe §
DOI: 10.5445/IR/1000156648
Veröffentlicht am 10.03.2023
Originalveröffentlichung
DOI: 10.3390/met11020349
Scopus
Zitationen: 2
Dimensions
Zitationen: 3
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Mechanische Verfahrenstechnik und Mechanik (MVM)
Publikationstyp Zeitschriftenaufsatz
Publikationsdatum 19.02.2021
Sprache Englisch
Identifikator ISSN: 2075-4701
KITopen-ID: 1000156648
Erschienen in Metals
Verlag MDPI
Band 11
Heft 2
Seiten Art.-Nr.: 349
Schlagwörter hole-flanging, product properties, press hardening, progressive-die, hot forming, process control, closed-loop control, martensitic chromium steel, X46Cr13
Nachgewiesen in Scopus
Dimensions
Web of Science
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