DE60043083D1 - Schrauben mit ausgewählter Wärmebehandlung und Härtung - Google Patents

Schrauben mit ausgewählter Wärmebehandlung und Härtung

Info

Publication number
DE60043083D1
DE60043083D1 DE60043083T DE60043083T DE60043083D1 DE 60043083 D1 DE60043083 D1 DE 60043083D1 DE 60043083 T DE60043083 T DE 60043083T DE 60043083 T DE60043083 T DE 60043083T DE 60043083 D1 DE60043083 D1 DE 60043083D1
Authority
DE
Germany
Prior art keywords
selectively
heat treatment
hardening
screws
selected heat
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 - Lifetime
Application number
DE60043083T
Other languages
English (en)
Inventor
Mark D Bauer
William A Spring
Michael Starozhitsky
Riaz S Ulhasan
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of DE60043083D1 publication Critical patent/DE60043083D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • 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
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D2221/01—End parts (e.g. leading, trailing end)

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE60043083T 1999-01-13 2000-01-13 Schrauben mit ausgewählter Wärmebehandlung und Härtung Expired - Lifetime DE60043083D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/229,435 US6109851A (en) 1999-01-13 1999-01-13 Screws having selected heat treatment and hardening

Publications (1)

Publication Number Publication Date
DE60043083D1 true DE60043083D1 (de) 2009-11-19

Family

ID=22861242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043083T Expired - Lifetime DE60043083D1 (de) 1999-01-13 2000-01-13 Schrauben mit ausgewählter Wärmebehandlung und Härtung

Country Status (12)

Country Link
US (2) US6109851A (de)
EP (1) EP1020536B1 (de)
JP (1) JP4741051B2 (de)
KR (1) KR20000052615A (de)
CN (2) CN1303228C (de)
AT (1) ATE445025T1 (de)
AU (1) AU729105B2 (de)
CA (1) CA2291577C (de)
DE (1) DE60043083D1 (de)
DK (1) DK1020536T3 (de)
NZ (1) NZ502265A (de)
TW (1) TW440657B (de)

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CN104141657A (zh) * 2014-07-12 2014-11-12 汤荣民 一种汽车卡槽型连接件及其热处理工艺
CN104962701B (zh) * 2015-07-29 2017-03-08 山东伊莱特重工股份有限公司 一种油压机冲头无氧化脱碳局部强化热处理工艺
US10047561B1 (en) * 2015-09-08 2018-08-14 Philip F. Lanzafame Adjustable ladder extension
FR3043348B1 (fr) * 2015-11-09 2018-03-02 Airbus Operations Bague d'expansion comprenant au moins deux portions cylindriques avec des proprietes mecaniques differentes, procede de fabrication d'une telle bague d'expansion et procede d'expansion a froid utilisant ladite bague d'expansion
US10378676B2 (en) 2015-12-15 2019-08-13 Sdb Ip Holdings, Llc System, method, and apparatus for optimizing a timing of a flush valve
CN105909647A (zh) * 2016-03-10 2016-08-31 天津市福厚盈科技有限公司 一种使用美观型螺丝钉的制备方法
US10385415B2 (en) 2016-04-28 2019-08-20 GM Global Technology Operations LLC Zinc-coated hot formed high strength steel part with through-thickness gradient microstructure
US10619223B2 (en) 2016-04-28 2020-04-14 GM Global Technology Operations LLC Zinc-coated hot formed steel component with tailored property
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CN105821195B (zh) * 2016-06-03 2017-12-08 昆山土山建设部件有限公司 支重轮轮体的分段加热冷却淬火工艺
ES2786191T3 (es) * 2016-07-29 2020-10-09 Kamax Holding Gmbh & Co Kg Tornillo de alta resistencia con una capa de recocido
DE102017101931B4 (de) * 2017-02-01 2022-05-05 Kamax Holding Gmbh & Co. Kg Hochfeste Schraube mit einem enthärteten Gewindeende
US11028457B2 (en) 2017-07-17 2021-06-08 Caterpillar Inc. Method of heat treating a fastening member
CN108526826A (zh) * 2018-04-28 2018-09-14 鹏驰五金制品有限公司 一种高强度螺栓的加工工艺
US11613789B2 (en) 2018-05-24 2023-03-28 GM Global Technology Operations LLC Method for improving both strength and ductility of a press-hardening steel
CN112534078A (zh) 2018-06-19 2021-03-19 通用汽车环球科技运作有限责任公司 具有增强的机械性质的低密度压制硬化钢
US11530469B2 (en) 2019-07-02 2022-12-20 GM Global Technology Operations LLC Press hardened steel with surface layered homogenous oxide after hot forming
CN110453051B (zh) * 2019-09-16 2021-07-02 威德车业部件有限公司 一种螺栓紧固件自动淬火设备
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DE102020107194A1 (de) * 2020-03-16 2021-09-16 Ejot Gmbh & Co. Kg Verfahren zur Herstellung einer Schraube und Schraube

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Also Published As

Publication number Publication date
US6364972B1 (en) 2002-04-02
EP1020536A1 (de) 2000-07-19
ATE445025T1 (de) 2009-10-15
US6109851A (en) 2000-08-29
CA2291577A1 (en) 2000-07-13
TW440657B (en) 2001-06-16
JP4741051B2 (ja) 2011-08-03
AU729105B2 (en) 2001-01-25
DK1020536T3 (da) 2010-02-15
CN1260450A (zh) 2000-07-19
CN1116528C (zh) 2003-07-30
CN1442620A (zh) 2003-09-17
NZ502265A (en) 2001-04-27
CA2291577C (en) 2004-04-27
KR20000052615A (ko) 2000-08-25
JP2000230527A (ja) 2000-08-22
EP1020536B1 (de) 2009-10-07
CN1303228C (zh) 2007-03-07
AU1003100A (en) 2000-07-20

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