JIG FOR COIL SPRING, COIL SPRING MANUFACTURING METHOD, AND COIL SPRING TEST METHOD
To provide a jig etc. for a coil spring which can apply residual stress to an inner peripheral surface of a coil spring while preventing bowing of the coil spring.SOLUTION: A jig (10) for a coil spring includes: a spring support part (13) on which one end of a coil spring (Sp) may be placed; displac...
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Format | Patent |
Language | English Japanese |
Published |
30.09.2021
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Abstract | To provide a jig etc. for a coil spring which can apply residual stress to an inner peripheral surface of a coil spring while preventing bowing of the coil spring.SOLUTION: A jig (10) for a coil spring includes: a spring support part (13) on which one end of a coil spring (Sp) may be placed; displacement restriction parts (14) which extend from the spring support part (13) along an axis (CL), may contact with an outer peripheral surface of the coil spring (Sp), and restrict displacement of the coil spring (Sp) in a radial direction; and a lid part (15) which is supported by the displacement restriction parts (14) and sandwiches the coil spring (Sp) with the spring support part (13) to keep the coil spring (Sp) in a compressed state. Preferably, only the displacement restriction parts (14) are provided between the spring support part (13) and the lid part (15).SELECTED DRAWING: Figure 1
【課題】コイルばねの胴曲がりを防止しつつ、コイルばねの内周面にも残留応力を付与することが可能な、コイルばね用治具等を提供する。【解決手段】コイルばね用治具(10)は、コイルばね(Sp)の一端を載せることが可能なばね支持部(13)と、ばね支持部(13)から軸線(CL)に沿って延び、コイルばね(Sp)の外周面に当接可能であると共に、コイルばね(Sp)の径方向への変位を規制する複数の変位規制部(14)と、これらの変位規制部(14)に支持され、ばね支持部(13)と共にコイルばね(Sp)を挟持することにより、コイルばね(Sp)を圧縮した状態に保つことが可能な蓋部(15)と、を有する。好ましくは、ばね支持部(13)と、蓋部(15)との間には、変位規制部(14)のみが設けられている。【選択図】図1 |
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AbstractList | To provide a jig etc. for a coil spring which can apply residual stress to an inner peripheral surface of a coil spring while preventing bowing of the coil spring.SOLUTION: A jig (10) for a coil spring includes: a spring support part (13) on which one end of a coil spring (Sp) may be placed; displacement restriction parts (14) which extend from the spring support part (13) along an axis (CL), may contact with an outer peripheral surface of the coil spring (Sp), and restrict displacement of the coil spring (Sp) in a radial direction; and a lid part (15) which is supported by the displacement restriction parts (14) and sandwiches the coil spring (Sp) with the spring support part (13) to keep the coil spring (Sp) in a compressed state. Preferably, only the displacement restriction parts (14) are provided between the spring support part (13) and the lid part (15).SELECTED DRAWING: Figure 1
【課題】コイルばねの胴曲がりを防止しつつ、コイルばねの内周面にも残留応力を付与することが可能な、コイルばね用治具等を提供する。【解決手段】コイルばね用治具(10)は、コイルばね(Sp)の一端を載せることが可能なばね支持部(13)と、ばね支持部(13)から軸線(CL)に沿って延び、コイルばね(Sp)の外周面に当接可能であると共に、コイルばね(Sp)の径方向への変位を規制する複数の変位規制部(14)と、これらの変位規制部(14)に支持され、ばね支持部(13)と共にコイルばね(Sp)を挟持することにより、コイルばね(Sp)を圧縮した状態に保つことが可能な蓋部(15)と、を有する。好ましくは、ばね支持部(13)と、蓋部(15)との間には、変位規制部(14)のみが設けられている。【選択図】図1 |
Author | MURAKAMI ATSUSHI KASATORI SHINJI KAMEDA HIROKATSU NAGAOKA KENJI OGAWA TOSHIHIRO KATO HIDEKI |
Author_xml | – fullname: KATO HIDEKI – fullname: KAMEDA HIROKATSU – fullname: NAGAOKA KENJI – fullname: OGAWA TOSHIHIRO – fullname: MURAKAMI ATSUSHI – fullname: KASATORI SHINJI |
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DocumentTitleAlternate | コイルばね用治具、コイルばねの製造方法、及び、コイルばねの試験方法 |
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Snippet | To provide a jig etc. for a coil spring which can apply residual stress to an inner peripheral surface of a coil spring while preventing bowing of the coil... |
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SubjectTerms | ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GRINDING HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS POLISHING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
Title | JIG FOR COIL SPRING, COIL SPRING MANUFACTURING METHOD, AND COIL SPRING TEST METHOD |
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