MX2017009708A - Tornillo de alta resistencia con una capa de menor dureza. - Google Patents

Tornillo de alta resistencia con una capa de menor dureza.

Info

Publication number
MX2017009708A
MX2017009708A MX2017009708A MX2017009708A MX2017009708A MX 2017009708 A MX2017009708 A MX 2017009708A MX 2017009708 A MX2017009708 A MX 2017009708A MX 2017009708 A MX2017009708 A MX 2017009708A MX 2017009708 A MX2017009708 A MX 2017009708A
Authority
MX
Mexico
Prior art keywords
layer
unhardening
screw
strength screw
screw including
Prior art date
Application number
MX2017009708A
Other languages
English (en)
Inventor
Hartmann Gunther
Dieterle Horst
Original Assignee
Kamax Holding Gmbh & Co Kg
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 Kamax Holding Gmbh & Co Kg filed Critical Kamax Holding Gmbh & Co Kg
Publication of MX2017009708A publication Critical patent/MX2017009708A/es

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
    • 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
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
    • B23G9/001—Working screws
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Transmission Devices (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Laminated Bodies (AREA)

Abstract

Un tornillo de alta resistencia (2) presenta un segmento de rosca (7) con una rosca (8). El segmento de rosca (7) presenta una capa de menor dureza (18) que está configurada como una capa de borde externa (17), vista en sección transversal, con una dureza reducida en comparación con el núcleo (16) del tornillo (2).
MX2017009708A 2016-07-29 2017-07-26 Tornillo de alta resistencia con una capa de menor dureza. MX2017009708A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016114111 2016-07-29
EP16186168.7A EP3276189B1 (de) 2016-07-29 2016-08-29 Hochfeste schraube mit einer enthärtungsschicht

Publications (1)

Publication Number Publication Date
MX2017009708A true MX2017009708A (es) 2018-09-10

Family

ID=56842708

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017009708A MX2017009708A (es) 2016-07-29 2017-07-26 Tornillo de alta resistencia con una capa de menor dureza.

Country Status (7)

Country Link
US (1) US10598207B2 (es)
EP (1) EP3276189B1 (es)
JP (1) JP7068779B2 (es)
CN (1) CN107664151B (es)
BR (1) BR102017016044A2 (es)
ES (1) ES2786191T3 (es)
MX (1) MX2017009708A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017101931B4 (de) * 2017-02-01 2022-05-05 Kamax Holding Gmbh & Co. Kg Hochfeste Schraube mit einem enthärteten Gewindeende
DE102020107194A1 (de) 2020-03-16 2021-09-16 Ejot Gmbh & Co. Kg Verfahren zur Herstellung einer Schraube und Schraube

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301120A (en) * 1964-11-27 1967-01-31 Caterpillar Tractor Co Tempered threaded members and method of making
US3884116A (en) * 1971-12-15 1975-05-20 Midwest Chrome Process Company Screw threaded fastening means and like products
JPS4943816A (es) * 1972-09-01 1974-04-25
JPS59226116A (ja) * 1983-01-31 1984-12-19 High Frequency Heattreat Co Ltd 耐遅れ破壊特性を有する高張力ボルトおよびその製造方法
JPS6227516A (ja) * 1985-07-29 1987-02-05 Nissan Motor Co Ltd 鉄鋼部品の表面強化法
US5196075A (en) * 1988-02-17 1993-03-23 Itw-Ateco Gmbh Method for modifying and thereby improving the corrosion resistance and hardness of workpieces of ferritic steel
JPH05239589A (ja) * 1992-02-26 1993-09-17 Daido Steel Co Ltd 高強度非調質鋼
US5484244A (en) * 1994-02-07 1996-01-16 Mse, Inc. Self-locking threaded fasteners
DE19840298A1 (de) * 1998-09-04 2000-03-16 Ejot Verbindungstech Gmbh & Co Selbstgewindeformende Schraube aus Leichtmetall und Verfahren zu ihrer Herstellung
US6109851A (en) * 1999-01-13 2000-08-29 Illinois Tool Works Inc. Screws having selected heat treatment and hardening
JP4851121B2 (ja) * 2005-06-13 2012-01-11 本田技研工業株式会社 ねじ及びねじ締結構造
JP4427012B2 (ja) 2005-07-22 2010-03-03 新日本製鐵株式会社 耐遅れ破壊特性に優れた高強度ボルトおよびその製造方法
DE102007000485B3 (de) 2007-09-05 2008-10-16 Hilti Aktiengesellschaft Befestigungselement
CN103080343A (zh) * 2010-07-02 2013-05-01 Skf公司 机械部件和用于表面硬化的方法
DE102011055497A1 (de) * 2011-11-18 2013-05-23 Kamax Holding Gmbh & Co. Kg Ultrahochfeste Schraube mit hohem Streckgrenzverhältnis
PL2657547T3 (pl) * 2012-04-24 2014-08-29 Nedschroef Fraulautern Gmbh Śruba
DE102014220338A1 (de) * 2014-10-08 2016-04-14 Richard Bergner Holding GmbH & Co. KG Verfahren zur Herstellung eines Befestigungselements sowie Befestigungselement

Also Published As

Publication number Publication date
JP2018040488A (ja) 2018-03-15
CN107664151A (zh) 2018-02-06
CN107664151B (zh) 2021-09-21
EP3276189A1 (de) 2018-01-31
JP7068779B2 (ja) 2022-05-17
ES2786191T3 (es) 2020-10-09
EP3276189B1 (de) 2020-03-25
US10598207B2 (en) 2020-03-24
BR102017016044A2 (pt) 2018-02-27
US20180031023A1 (en) 2018-02-01

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