JP5339540B2 - 中空コイルばねおよびその製造方法 - Google Patents
中空コイルばねおよびその製造方法 Download PDFInfo
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- JP5339540B2 JP5339540B2 JP2010268156A JP2010268156A JP5339540B2 JP 5339540 B2 JP5339540 B2 JP 5339540B2 JP 2010268156 A JP2010268156 A JP 2010268156A JP 2010268156 A JP2010268156 A JP 2010268156A JP 5339540 B2 JP5339540 B2 JP 5339540B2
- Authority
- JP
- Japan
- Prior art keywords
- spring material
- spring
- coil spring
- hollow
- manufacturing
- 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.)
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Classifications
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/042—Wound springs characterised by the cross-section of the wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
- B21D41/045—Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49609—Spring making
Description
以下、本発明の一実施形態について図面を参照して説明する。図1は、本発明の一実施形態に係る中空コイルばねの製造方法の工程を表すフロー図である。中空コイルばねは、たとえば図1に示すように、熱間静水圧押し出し工程S1、皮削り工程S2、圧延工程S3、内表面処理工程S4、端部封止工程S5、コイル成形工程S6、熱処理工程S7、外表面処理工程S8、セッチング工程S9、および、塗装工程S10を順次行うことにより製造される。本実施形態では、本発明の主要工程である端部封止工程S5について詳述し、それ以外の工程の説明は簡略化する。
本発明の主要工程である端部封止工程S5のスピニング加工について、図2、3を参照して説明する。
Claims (3)
- 車両のばね部品として用いられる中空コイルばねの製造方法において、
中空状のばね材と工具とを相対的に回転させることにより前記ばね材の端部の肉を加工により集めて、前記端部を封止する端部封止工程と、
前記端部封止工程後に、前記ばね材をコイル状に成形するコイル成形工程とを含み、
前記端部封止工程では、前記ばね材の前記端部の形状を半球形状に設定することを特徴とする中空コイルばねの製造方法。 - 前記端部封止工程では、前記加工としてスピニング加工を行うことを特徴とする請求項1に記載の中空コイルばねの製造方法。
- 請求項1または2に記載の製造方法により製造されることを特徴とする中空コイルばね。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010268156A JP5339540B2 (ja) | 2010-12-01 | 2010-12-01 | 中空コイルばねおよびその製造方法 |
HUE11844526A HUE054112T2 (hu) | 2010-12-01 | 2011-11-24 | Eljárás üreges tekercsrugó elõállítására |
EP11844526.1A EP2647449B1 (en) | 2010-12-01 | 2011-11-24 | Method for manufacturing a hollow coil spring |
KR1020137016989A KR101874137B1 (ko) | 2010-12-01 | 2011-11-24 | 중공 코일 스프링 및 그 제조 방법 |
US13/989,923 US9145941B2 (en) | 2010-12-01 | 2011-11-24 | Hollow coil spring and method for manufacturing same |
CN201180057890.4A CN103228374B (zh) | 2010-12-01 | 2011-11-24 | 中空螺旋弹簧及其制造方法 |
PCT/JP2011/077055 WO2012073786A1 (ja) | 2010-12-01 | 2011-11-24 | 中空コイルばねおよびその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010268156A JP5339540B2 (ja) | 2010-12-01 | 2010-12-01 | 中空コイルばねおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012117612A JP2012117612A (ja) | 2012-06-21 |
JP5339540B2 true JP5339540B2 (ja) | 2013-11-13 |
Family
ID=46171728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010268156A Active JP5339540B2 (ja) | 2010-12-01 | 2010-12-01 | 中空コイルばねおよびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9145941B2 (ja) |
EP (1) | EP2647449B1 (ja) |
JP (1) | JP5339540B2 (ja) |
KR (1) | KR101874137B1 (ja) |
CN (1) | CN103228374B (ja) |
HU (1) | HUE054112T2 (ja) |
WO (1) | WO2012073786A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10265754B2 (en) | 2015-02-17 | 2019-04-23 | K.K. Endo Seisakusho | Fixing sleeve and manufacturing method thereof |
CN108884893B (zh) * | 2016-03-30 | 2020-06-12 | 日本发条株式会社 | 中空螺旋弹簧和车辆用悬架装置 |
EP3438495B1 (en) * | 2016-03-30 | 2022-01-12 | NHK Spring Co., Ltd. | Hollow spring member |
JP6704867B2 (ja) * | 2017-02-27 | 2020-06-03 | 日本発條株式会社 | コイルばね製造装置と、コイルばねの製造方法 |
FR3085451B1 (fr) * | 2018-08-31 | 2020-11-27 | Faurecia Systemes Dechappement | Accouplement en rotation |
TWI714898B (zh) * | 2018-11-01 | 2021-01-01 | 達霆精密工業有限公司 | 操控裝置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2284210A (en) * | 1939-12-05 | 1942-05-26 | Cleveland Pneumatic Tool Co | Method of closing the ends of tubular bodies |
NL221964A (ja) * | 1957-10-29 | |||
JPS4728125U (ja) * | 1971-04-15 | 1972-11-30 | ||
JPS5216064B2 (ja) * | 1972-04-05 | 1977-05-06 | ||
JPS4983454U (ja) * | 1972-11-07 | 1974-07-19 | ||
US4361360A (en) * | 1979-03-05 | 1982-11-30 | Siegfried Kuether | Tube end forging process |
JPS5665738U (ja) * | 1979-08-22 | 1981-06-02 | ||
JPS5933041A (ja) * | 1982-08-17 | 1984-02-22 | Showa Mfg Co Ltd | 緩衝器用シリンダの底部形成方法 |
JPS60137531A (ja) * | 1983-12-27 | 1985-07-22 | Showa Alum Corp | 半球形加工方法 |
JPH08101356A (ja) | 1994-10-03 | 1996-04-16 | Hitachi Cable Ltd | 光スイッチ |
JPH11230221A (ja) * | 1998-02-19 | 1999-08-27 | Ihara Kogyo Kk | コイルばね |
JP2000097779A (ja) * | 1998-09-18 | 2000-04-07 | Daido Steel Co Ltd | 熱電対保護管 |
CN1116941C (zh) * | 2000-09-07 | 2003-08-06 | 刘鸿恩 | 管体高强度多样式一体成型封口及其制造方法 |
JP4270921B2 (ja) * | 2003-03-26 | 2009-06-03 | 株式会社三五 | 有底管およびその成形方法 |
ITMI20031239A1 (it) * | 2003-06-19 | 2004-12-20 | S P I C E Group S R L | Metodo ed apparecchiatura per chiudere ermeticamente un tubo conducente gas o liquidi |
JP4836478B2 (ja) * | 2005-03-31 | 2011-12-14 | カヤバ工業株式会社 | クロージング加工方法及びクロージング加工機 |
JP4612527B2 (ja) | 2005-11-04 | 2011-01-12 | 日本発條株式会社 | 中空ばね |
JP4536701B2 (ja) * | 2006-11-06 | 2010-09-01 | 三菱製鋼株式会社 | コイルバネ形成装置 |
JP5495496B2 (ja) * | 2008-02-19 | 2014-05-21 | 株式会社三五 | 筒状ワークの端部加工方法及び装置 |
DE112010005460B4 (de) * | 2010-04-07 | 2015-07-09 | Toyota Jidosha Kabushiki Kaisha | Dämpfervorrichtung |
KR101219918B1 (ko) * | 2010-10-12 | 2013-01-08 | 대원강업주식회사 | 코일스프링용 중공소재의 끝단부 밀폐방법 |
-
2010
- 2010-12-01 JP JP2010268156A patent/JP5339540B2/ja active Active
-
2011
- 2011-11-24 CN CN201180057890.4A patent/CN103228374B/zh active Active
- 2011-11-24 US US13/989,923 patent/US9145941B2/en active Active
- 2011-11-24 KR KR1020137016989A patent/KR101874137B1/ko active IP Right Grant
- 2011-11-24 HU HUE11844526A patent/HUE054112T2/hu unknown
- 2011-11-24 EP EP11844526.1A patent/EP2647449B1/en active Active
- 2011-11-24 WO PCT/JP2011/077055 patent/WO2012073786A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US9145941B2 (en) | 2015-09-29 |
EP2647449A1 (en) | 2013-10-09 |
KR20130118917A (ko) | 2013-10-30 |
HUE054112T2 (hu) | 2021-08-30 |
US20130292890A1 (en) | 2013-11-07 |
JP2012117612A (ja) | 2012-06-21 |
WO2012073786A1 (ja) | 2012-06-07 |
WO2012073786A9 (ja) | 2013-06-06 |
EP2647449A4 (en) | 2015-07-15 |
KR101874137B1 (ko) | 2018-07-03 |
EP2647449B1 (en) | 2021-02-17 |
CN103228374B (zh) | 2016-01-20 |
CN103228374A (zh) | 2013-07-31 |
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