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EP2700725A3 - Fixture for hardening an individual ring shaped workpiece - Google Patents

Fixture for hardening an individual ring shaped workpiece Download PDF

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Publication number
EP2700725A3
EP2700725A3 EP13004141.1A EP13004141A EP2700725A3 EP 2700725 A3 EP2700725 A3 EP 2700725A3 EP 13004141 A EP13004141 A EP 13004141A EP 2700725 A3 EP2700725 A3 EP 2700725A3
Authority
EP
European Patent Office
Prior art keywords
workpiece
hardening
face
fixture
ring shaped
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
EP13004141.1A
Other languages
German (de)
French (fr)
Other versions
EP2700725A2 (en
EP2700725B1 (en
Inventor
Thomas Streng
Götz Kapper
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.)
Heess & Co KG GmbH
Original Assignee
Heess & Co KG 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 Heess & Co KG GmbH filed Critical Heess & Co KG GmbH
Priority to PL13004141T priority Critical patent/PL2700725T3/en
Publication of EP2700725A2 publication Critical patent/EP2700725A2/en
Publication of EP2700725A3 publication Critical patent/EP2700725A3/en
Application granted granted Critical
Publication of EP2700725B1 publication Critical patent/EP2700725B1/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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Härten jeweils eines einzelnen, ringförmigen Werkstückes sowie eine hierzu ausgebildete Fixtur, bei welchem ein einzelnes, zu härtendes ringförmiges Werkstück mit dessen Öffnung über einen Dorn gestülpt wird, bis das Werkstück mit einer ersten Stirnfläche auf einer Auflage aufliegt; ein oder mehrere Niederhalter von einer der ersten Stirnfläche entgegen gerichteten Seite in Richtung des Auflagers zugeführt wird bzw. werden, bis der bzw. die Niederhalter auf einer der ersten Stirnfläche entgegen gerichteten zweiten Stirnfläche des Werkstücks kraftbeaufschlagt aufliegt bzw. aufliegen; kaltes gasförmiges Abschreckmittel zumindest an das Werkstück begrenzende und zueinander entgegen gerichtete Flächen des Werkstückes zugeführt wird; und erwärmtes Abschreckmittel abgeführt wird.

Figure imgaf001
The invention relates to a method for hardening each of a single, annular workpiece and a fixture designed for this purpose, in which a single, to be hardened annular workpiece with its opening is slipped over a mandrel until the workpiece rests with a first end face on a support; one or more hold-downs is supplied from one of the first end face opposite side in the direction of the support or are, until the or the hold-down on a first end face oppositely directed second end face of the workpiece rests or rest; cold gaseous quenching agent is supplied at least to the workpiece limiting and mutually opposing surfaces of the workpiece; and heated quenching agent is removed.
Figure imgaf001
EP13004141.1A 2012-08-23 2013-08-22 Fixture for hardening a ring shaped workpiece Active EP2700725B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13004141T PL2700725T3 (en) 2012-08-23 2013-08-22 Fixture for hardening a ring shaped workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012016603A DE102012016603B3 (en) 2012-08-23 2012-08-23 Fixture for hardening a single annular workpiece

Publications (3)

Publication Number Publication Date
EP2700725A2 EP2700725A2 (en) 2014-02-26
EP2700725A3 true EP2700725A3 (en) 2015-03-04
EP2700725B1 EP2700725B1 (en) 2019-11-06

Family

ID=49033782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004141.1A Active EP2700725B1 (en) 2012-08-23 2013-08-22 Fixture for hardening a ring shaped workpiece

Country Status (3)

Country Link
EP (1) EP2700725B1 (en)
DE (1) DE102012016603B3 (en)
PL (1) PL2700725T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110438300B (en) * 2018-09-17 2024-05-17 湖北江山专用汽车有限公司 Vertical tempering positioning and supporting device
CN109321725B (en) * 2018-12-03 2023-12-22 宁夏机械研究院股份有限公司 Limited quenching demoulding device
DE102019006202A1 (en) * 2019-05-09 2020-11-12 Aerospace Transmission Technologies GmbH Fixture for quenching and hardening a workpiece with selectively controllable channels for supplying quenching medium
DE102019006201A1 (en) * 2019-05-09 2020-11-12 Aerospace Transmission Technologies GmbH Method and fixture hardening device for fixture hardening of components
DE102019006203A1 (en) 2019-05-09 2020-11-12 Aerospace Transmission Technologies GmbH Fixture for quenching and quenching and hardening a gear

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307041A1 (en) * 1982-11-26 1984-05-30 Jenny Pressen AG, 8500 Frauenfeld Method and apparatus for the low-distortion series hardening of workpieces and application of the method
WO1999002744A1 (en) * 1997-07-10 1999-01-21 Skf Engineering & Research Centre B.V. Method for performing a heat treatment on metallic rings, and bearing ring thus obtained
EP1464711A1 (en) * 2003-03-28 2004-10-06 HEESS GmbH & Co. KG Method and apparatus for hardening of annular workpieces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016535B3 (en) * 2005-04-08 2006-12-21 Heess Gmbh & Co.Kg Forming zones of different hardness in hardenable workpiece, e.g. of steel, by simultaneous direct and indirect cooling of different regions using coolant supplied via channel- and/or slit-form guide paths
DE102009001012B3 (en) * 2009-02-19 2010-06-10 Ema Indutec Gmbh Hardening machine and method for inductive fixture hardening

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307041A1 (en) * 1982-11-26 1984-05-30 Jenny Pressen AG, 8500 Frauenfeld Method and apparatus for the low-distortion series hardening of workpieces and application of the method
WO1999002744A1 (en) * 1997-07-10 1999-01-21 Skf Engineering & Research Centre B.V. Method for performing a heat treatment on metallic rings, and bearing ring thus obtained
EP1464711A1 (en) * 2003-03-28 2004-10-06 HEESS GmbH & Co. KG Method and apparatus for hardening of annular workpieces

Also Published As

Publication number Publication date
EP2700725A2 (en) 2014-02-26
EP2700725B1 (en) 2019-11-06
DE102012016603B3 (en) 2013-12-24
PL2700725T3 (en) 2020-07-13

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