GB2410959B - Method for surface hardening of thermo rolls - Google Patents

Method for surface hardening of thermo rolls

Info

Publication number
GB2410959B
GB2410959B GB0512223A GB0512223A GB2410959B GB 2410959 B GB2410959 B GB 2410959B GB 0512223 A GB0512223 A GB 0512223A GB 0512223 A GB0512223 A GB 0512223A GB 2410959 B GB2410959 B GB 2410959B
Authority
GB
United Kingdom
Prior art keywords
surface hardening
thermo rolls
thermo
rolls
hardening
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.)
Expired - Fee Related
Application number
GB0512223A
Other versions
GB0512223D0 (en
GB2410959A (en
Inventor
Kari Blomster
Tomi Norrby
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.)
Metso Paper Oy
Original Assignee
Metso Paper Oy
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
Priority claimed from FI20035014A external-priority patent/FI20035014A0/en
Application filed by Metso Paper Oy filed Critical Metso Paper Oy
Publication of GB0512223D0 publication Critical patent/GB0512223D0/en
Publication of GB2410959A publication Critical patent/GB2410959A/en
Application granted granted Critical
Publication of GB2410959B publication Critical patent/GB2410959B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • 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
    • C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency
GB0512223A 2003-02-07 2004-01-14 Method for surface hardening of thermo rolls Expired - Fee Related GB2410959B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20035014A FI20035014A0 (en) 2003-02-07 2003-02-07 Steel roll hardening process
FI20035082A FI115773B (en) 2003-02-07 2003-06-03 Method for surface tempering of thermal rollers
PCT/FI2004/050001 WO2004070065A1 (en) 2003-02-07 2004-01-14 Method for surface hardening of thermo rolls

Publications (3)

Publication Number Publication Date
GB0512223D0 GB0512223D0 (en) 2005-07-27
GB2410959A GB2410959A (en) 2005-08-17
GB2410959B true GB2410959B (en) 2006-01-25

Family

ID=26161355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0512223A Expired - Fee Related GB2410959B (en) 2003-02-07 2004-01-14 Method for surface hardening of thermo rolls

Country Status (5)

Country Link
JP (1) JP2006518418A (en)
DE (1) DE112004000112T5 (en)
FI (1) FI115773B (en)
GB (1) GB2410959B (en)
WO (1) WO2004070065A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715907A (en) * 1985-07-08 1987-12-29 Tocco, Inc. Method for heat treating ferrous parts
EP0505343B1 (en) * 1991-03-20 1997-05-21 Valmet Corporation Process for the manufacture of a roll and a roll
WO2002024964A1 (en) * 2000-09-15 2002-03-28 Metso Paper, Inc. Method for making a roll shell of a roll used in the manufacture or further processing of paper and/or board

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715907A (en) * 1985-07-08 1987-12-29 Tocco, Inc. Method for heat treating ferrous parts
EP0505343B1 (en) * 1991-03-20 1997-05-21 Valmet Corporation Process for the manufacture of a roll and a roll
WO2002024964A1 (en) * 2000-09-15 2002-03-28 Metso Paper, Inc. Method for making a roll shell of a roll used in the manufacture or further processing of paper and/or board

Also Published As

Publication number Publication date
DE112004000112T5 (en) 2005-10-27
FI20035082A (en) 2004-08-08
WO2004070065A1 (en) 2004-08-19
FI20035082A0 (en) 2003-06-03
GB0512223D0 (en) 2005-07-27
GB2410959A (en) 2005-08-17
JP2006518418A (en) 2006-08-10
FI115773B (en) 2005-07-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110114