DE68927872T2 - Verfahren zur Herstellung einer hochfesten Schraubenfeder - Google Patents

Verfahren zur Herstellung einer hochfesten Schraubenfeder

Info

Publication number
DE68927872T2
DE68927872T2 DE68927872T DE68927872T DE68927872T2 DE 68927872 T2 DE68927872 T2 DE 68927872T2 DE 68927872 T DE68927872 T DE 68927872T DE 68927872 T DE68927872 T DE 68927872T DE 68927872 T2 DE68927872 T2 DE 68927872T2
Authority
DE
Germany
Prior art keywords
producing
coil spring
strength coil
strength
spring
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
DE68927872T
Other languages
English (en)
Other versions
DE68927872D1 (de
Inventor
Susumu C O Itami Work Yamamoto
Takeshi C O Itami Work Shibata
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 JP63282141A external-priority patent/JP2775778B2/ja
Priority claimed from JP63282140A external-priority patent/JP2775777B2/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of DE68927872D1 publication Critical patent/DE68927872D1/de
Publication of DE68927872T2 publication Critical patent/DE68927872T2/de
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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/908—Spring
DE68927872T 1988-11-08 1989-11-08 Verfahren zur Herstellung einer hochfesten Schraubenfeder Expired - Fee Related DE68927872T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63282141A JP2775778B2 (ja) 1988-11-08 1988-11-08 高強度コイルばねおよびその製造方法
JP63282140A JP2775777B2 (ja) 1988-11-08 1988-11-08 高強度コイルばねおよびその製造方法

Publications (2)

Publication Number Publication Date
DE68927872D1 DE68927872D1 (de) 1997-04-24
DE68927872T2 true DE68927872T2 (de) 1997-09-04

Family

ID=26554484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927872T Expired - Fee Related DE68927872T2 (de) 1988-11-08 1989-11-08 Verfahren zur Herstellung einer hochfesten Schraubenfeder

Country Status (4)

Country Link
US (1) US5152851A (de)
EP (1) EP0368638B1 (de)
CA (1) CA2002138C (de)
DE (1) DE68927872T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5328531A (en) * 1989-07-07 1994-07-12 Jacques Gautier Process for the manufacture of components in treated steel
DE69118834T2 (de) * 1990-11-27 1996-09-26 Toyoda Chuo Kenkyusho Kk Lösung zur chemischen Polierung und Glanzerzeugung für gehärtete Stahlkörper und Verfahren zu deren Verwendung
DE4324833C2 (de) * 1992-07-23 1997-06-05 Nsk Ltd Berührfläche einer Walz- oder Gleitpaarung
DE4330832C2 (de) * 1993-09-11 1996-04-04 Hoesch Federn Gmbh Verfahren zur Optimierung der Eigenspannungsverteilung im Stabquerschnitt von Schraubendruckfedern
JPH07286649A (ja) * 1994-04-18 1995-10-31 Nippon Seiko Kk トロイダル形無段変速機
EP0906453B1 (de) * 1996-05-29 2001-08-22 Datec Scherdel Datentechnik, Forschungs- und Entwicklungs-GmbH Relaxationsfeste stahlfeder
DE29622242U1 (de) * 1996-12-14 1997-05-15 Datec Scherdel Gmbh Drahtfeder mit hohem Volumennutzwert
US6705868B1 (en) * 1998-03-18 2004-03-16 Purdue Research Foundation Apparatus and methods for a shape memory spring actuator and display
US6109064A (en) * 1998-03-31 2000-08-29 Siemens Information And Communication Networks, Inc. Process for treating optical fibers by cryogenic tempering
JP2000220627A (ja) * 1999-01-28 2000-08-08 Honda Motor Co Ltd 内燃機関用連接棒の製造方法
WO2000049186A1 (fr) * 1999-02-19 2000-08-24 Suncall Corporation Ressort presentant d'excellentes caracteristiques de resistance a la fatigue et procede de traitement de surface destine a sa fabrication
EP1422436B1 (de) * 2002-11-25 2005-10-26 CSEM Centre Suisse d'Electronique et de Microtechnique SA Spiraluhrwerkfeder und Verfahren zu deren Herstellung
DE102004037721A1 (de) * 2004-08-04 2006-02-23 Robert Bosch Gmbh Druckfeder zum Ansteuern eines dynamisch beanspruchten Elements
DE602006004055D1 (de) * 2005-06-28 2009-01-15 Eta Sa Mft Horlogere Suisse Verstärktes mikromechanisches teil
US20130118655A1 (en) 2010-08-04 2013-05-16 Nhk Spring Co., Ltd. Spring and manufacture method thereof
JP6583082B2 (ja) * 2016-03-22 2019-10-02 住友電気工業株式会社 ばね用鋼線
CN112143869B (zh) * 2020-09-27 2022-08-12 广州市奥赛钢线科技有限公司 一种抗拉强度为2300～2400MPa淬回火弹簧钢丝制备工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846283A (en) * 1956-07-10 1960-08-31 American Steel Foundries Method of making an extended life coil spring
US4090866A (en) * 1977-03-14 1978-05-23 O. M. Scott & Sons Company Process for the selective control of tall fescue in turf
SU973659A1 (ru) * 1981-02-02 1982-11-15 Предприятие П/Я А-1697 Сталь
GB2112810B (en) * 1982-01-02 1986-03-19 Aichi Steel Works Ltd Steels for vehicle suspension springs
GB8416768D0 (en) * 1984-07-02 1984-08-08 Bridon Plc Steel composition
JP2613601B2 (ja) * 1987-09-25 1997-05-28 日産自動車株式会社 高強度スプリング

Also Published As

Publication number Publication date
EP0368638A1 (de) 1990-05-16
CA2002138C (en) 1999-12-14
DE68927872D1 (de) 1997-04-24
EP0368638B1 (de) 1997-03-19
US5152851A (en) 1992-10-06
CA2002138A1 (en) 1990-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee