EP1983063A3 - Method for moulding and hardening a workpiece made from steel in a stamping machine - Google Patents

Method for moulding and hardening a workpiece made from steel in a stamping machine Download PDF

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Publication number
EP1983063A3
EP1983063A3 EP08005252A EP08005252A EP1983063A3 EP 1983063 A3 EP1983063 A3 EP 1983063A3 EP 08005252 A EP08005252 A EP 08005252A EP 08005252 A EP08005252 A EP 08005252A EP 1983063 A3 EP1983063 A3 EP 1983063A3
Authority
EP
European Patent Office
Prior art keywords
workpiece
hardening
steel
moulding
forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08005252A
Other languages
German (de)
French (fr)
Other versions
EP1983063A2 (en
EP1983063B1 (en
Inventor
Markus Müller
Hans-Jürgen Knaup
Udo Klasfauseweh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benteler Defense GmbH and Co KG
Original Assignee
Benteler Automobiltechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP1983063A2 publication Critical patent/EP1983063A2/en
Priority to RU2010148542/05A priority Critical patent/RU2481888C2/en
Publication of EP1983063A3 publication Critical patent/EP1983063A3/en
Application granted granted Critical
Publication of EP1983063B1 publication Critical patent/EP1983063B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/42—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for armour plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

Verfahren zum Pressformen und Härten eines Werkstücks aus Stahl in einer Gesenkpresse, wobei das Werkstück (4) auf seinen Austenitisierungstemperaturbereich erwärmt wird, anschließend zwischen ein Obergesenk (2) und ein Untergesenk (3) eines Umformwerkzeugs (1) der Gesenkpresse gelegt wird, nachfolgend das Werkstück (4) zwischen dem Obergesenk (2) und dem Untergesenk (3) warm umgeformt wird und anschließend durch unmittelbaren Kontakt mit einem Kühlmittel (6) innerhalb des Umformwerkzeugs (1) gehärtet wird. Die Gesenke (2, 3) werden nach dem Umformen teilweise wieder auseinander gefahren, so dass das Kühlmittel (6) durch den enstehenden Spalt (10, 11) zwischen den Gesenken (2, 3) und dem Werkstück (4) in den Formhohlraum (9) einströmt.

Figure imgaf001
A method of press-forming and hardening a steel workpiece in a swaging press, wherein the workpiece (4) is heated to its austenitizing temperature range, then placed between an upper die (2) and a lower die (3) of a swaging press forming tool (1), hereinafter Workpiece (4) between the upper die (2) and the lower die (3) is hot formed and then cured by direct contact with a coolant (6) within the forming tool (1). The dies (2, 3) are partially moved apart again after the forming, so that the coolant (6) through the resulting gap (10, 11) between the dies (2, 3) and the workpiece (4) in the mold cavity ( 9) flows in.
Figure imgaf001
EP20080005252 2007-04-20 2008-03-20 Method for moulding and hardening a workpiece made from steel in a stamping machine Active EP1983063B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2010148542/05A RU2481888C2 (en) 2008-03-20 2009-04-16 Starting heater for ammonia synthesis reactors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710019173 DE102007019173B3 (en) 2007-04-20 2007-04-20 Method for press-forming and hardening a steel workpiece in a stamping machine comprises partially moving the stamps away from each other after deforming and passing coolant through the gap between the stamps and the workpiece

Publications (3)

Publication Number Publication Date
EP1983063A2 EP1983063A2 (en) 2008-10-22
EP1983063A3 true EP1983063A3 (en) 2011-10-19
EP1983063B1 EP1983063B1 (en) 2013-01-09

Family

ID=39326705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080005252 Active EP1983063B1 (en) 2007-04-20 2008-03-20 Method for moulding and hardening a workpiece made from steel in a stamping machine

Country Status (4)

Country Link
EP (1) EP1983063B1 (en)
BR (1) BRPI0801178A2 (en)
DE (1) DE102007019173B3 (en)
MX (1) MX2008004916A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010061007A1 (en) * 2008-11-03 2010-06-03 Fundacion Labein Method for hardening a component obtained by hot-forging and device used
DE102009053349B4 (en) * 2009-11-17 2014-07-03 Benteler Defense Gmbh & Co. Kg Armored steel component
US8915111B2 (en) 2010-01-27 2014-12-23 Hyundai Steel Company Die apparatus using immersion cooling
DE102015105585B4 (en) 2015-04-13 2018-07-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing a workpiece from sheet metal and workpiece from sheet metal
CN105328047A (en) * 2015-11-05 2016-02-17 福州大学 Ultrahigh-strength steel plate hot-stamping device with novel cooling system and ultrahigh-strength steel plate hot-stamping method
CN109517950B (en) * 2019-01-09 2023-04-25 滦南县丰田五金农具制造有限公司 Adjustable continuous hardware tool pressure quenching, quenching and cooling integrated machine and process
CN114101416A (en) * 2020-09-01 2022-03-01 宁波祥路中天新材料科技股份有限公司 Hot roller stamping bending forming machine applying thermal forming

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005078143A1 (en) * 2004-02-06 2005-08-25 Fes Gmbh Fahrzeug-Entwicklung Sachsen Method for producing a three-dimensionally formed armouring component for vehicle bodies
EP1671715A1 (en) * 2003-10-02 2006-06-21 Nippon Steel Corporation Apparatus and method of hot press-forming metal plate material
DE102005028010B3 (en) * 2005-06-16 2006-07-20 Benteler Automobiltechnik Gmbh Shaping and hardening heated steel workpiece, e.g. sheet, using press with lower mold tool located in liquid bath, minimizing or eliminating holding time for hardening workpiece in closed mold

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH183742A (en) * 1935-10-03 1936-04-30 Bigler Spichiger & Cie Ag Process for hardening hot-pressed workpieces, in particular horseshoe studs.
SE435527B (en) * 1973-11-06 1984-10-01 Plannja Ab PROCEDURE FOR PREPARING A PART OF Hardened Steel
DE2603618A1 (en) * 1975-06-05 1976-12-23 Kenebuc Galt Ltd Heating and quenching steel parts such as Belleville springs - using quenching press contg. dies which clamp spring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1671715A1 (en) * 2003-10-02 2006-06-21 Nippon Steel Corporation Apparatus and method of hot press-forming metal plate material
WO2005078143A1 (en) * 2004-02-06 2005-08-25 Fes Gmbh Fahrzeug-Entwicklung Sachsen Method for producing a three-dimensionally formed armouring component for vehicle bodies
DE102005028010B3 (en) * 2005-06-16 2006-07-20 Benteler Automobiltechnik Gmbh Shaping and hardening heated steel workpiece, e.g. sheet, using press with lower mold tool located in liquid bath, minimizing or eliminating holding time for hardening workpiece in closed mold

Also Published As

Publication number Publication date
EP1983063A2 (en) 2008-10-22
MX2008004916A (en) 2009-03-02
BRPI0801178A2 (en) 2008-12-02
EP1983063B1 (en) 2013-01-09
DE102007019173B3 (en) 2008-05-29

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