著者

高橋 英輝 川村 直子 久納 孝彦

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.2006, no.51, pp.35-43, 2006 (Released:2006-11-10)

参考文献数

14

被引用文献数

1

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Coiled wave springs (CWS) are considered as multiple layered waved washers. They are light but powerful in limited spaces. In recent years, CWS have been applied to clutches of automobiles and expected to be applied to other uses. The formulas on the spring rates and stresses of CWS have been presented by an American spring maker of Smalley Steel Ring Company, Nishio, and Japan Spring Manufacturers Association (for short, JSMA). But none of them are practical, because the accuracy is not enough. Moreover the derivations of the formulas are not clear in the case of Smalley and JSMA. It has been observed that CWS show nonlinear spring characteristics in large deflection, however, the cause has not been made clear. In this research, spring rates and stresses for CWS are analyzed theoretically. A cause of the nonlinear spring characteristics is made clear, too. Then empirical formulas on the spring rates and stresses are derived by comparing the theoretical results with experiments and FEM analysis.

著者

井上 関次

出版者

Japan Society of Spring Engineers

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.1983, no.28, pp.46-54, 1983-03-31 (Released:2010-02-26)

参考文献数

4

被引用文献数

1 2

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自動車の軽量化の一環として. スタビライザ (アンチロールバー) の中空化が始まっている. 本論文は中空スタビライザの設計に関するものである. 中空スタビライザに生じる応力分布の構成が実験的に求められ, 中実スタビライザにくらべて, 全く異なった応力構成をしていることが確認された. パイプ係数を適用することによって, 中空スタビライザの設計応力の予測が可能となった. また, 応力測定の実測値は有限要素法による計算値と良く一致することも確認された. ここで得られた設計法に基づいて, 疲労試験によって, 中空スタビライザに適切なパイプ材料について有益な実験結果も得られた.

著者

小玉 正雄

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.1961, no.7, pp.169-172, 1961-12-15 (Released:2010-03-16)

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.1998, no.43, pp.137-143, 1998-03-31 (Released:2010-02-26)

著者

各種測定法による硬さの換算法に関する研究委員会

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.2011, no.56, pp.33-41, 2011-04-28 (Released:2011-11-10)

参考文献数

2

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In spring factory, large size springs are manufactured in hot forming process. In many cases, the hardness of hot formed springs is inspected by Brinell hardness test. The quality agreement between customer and manufacturer on hardness is often established by other hardness like Vickers and Rockwell hardness, though the spring hardness quality control in shop floor is done by Brinell hardness. Therefore, hardness conversion is often carried out. SAE-J417 has been used for the hardness conversion in the spring industry for this purpose. However, it is often said that the hardness conversion value is not adequate in the area where the hardness is higher than conventional area. This committee started on investigating the difference between SAE-J417 conversion data and various spring hardness test data on June 2007. The purpose of this committee is to offer the new conversion data between various hardness tests for the spring steel and to establish JSMA standard. As a result of three years activity, following findings were obtained.(1) It has been understood that the correlation in Brinell hardness, Rockwell hardness and Vickers hardness is not necessarily correct in SAE-J417 data as the result of various hardness tests on SUP9 spring steel.(2) The dispersion was ±1.5% in maximum when measuring the hardness by Brinell hardness tester, Rockwell hardness tester and Vickers hardness tester.(3) The dispersion was about one percent as a result of investigating the influence of testing load in Vickers hardness measuring.(4) The correlation between various hardness tests using several grades of spring steel did not show clear difference by steel grades. (So, the committee made a new conversion table for spring steel by treating all the data from different steel grades as data from one grade.)

著者

圧縮コイルばねのへたりに関する研究委員会

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.2014, no.59, pp.47-62, 2014 (Released:2014-12-01)

参考文献数

27

被引用文献数

2

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Height reduction of compressive coil springs (height loss) is considered to be the effect of creep phenomenon. Height loss of coil springs made of SWOSC-V behaves 3 different temperature dependency in elevated temperature zone, namely lower region (100-200℃), mid region (250-300℃), and higher region (350-400℃). These behavior are quite different from much elevated temperature region. In lower region, Cottrell effect seems to be the governing factor of creep speed. On the other hand, IS effect has the governing role in higher region. In mid region, the creep speed is governed by a transition mechanism from Cottrell to IS effect.

著者

小口 宗三郎

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.1972, no.17, pp.10-18, 1972-05-18 (Released:2010-02-26)

被引用文献数

1

著者

ばね文化財調査委員会

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.2012, no.57, pp.41-57, 2012-05-30 (Released:2012-12-03)

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This report provides the survey of Japanese spring technological heritage in the 20th century which was conducted by a JSSE designated committee from 2009 to 2012. The 115 proposed items include coiling machines, spring testing machines, books and papers on spring design & spring manufacturing. Their whereabouts and technical significance are listed in this report. The existing historical coiling machines are listed in chronological manner. The development of spring manufacturing technology is also explained in this table.

著者

清水 浩

出版者

日本ばね学会

雑誌

ばね論文集 (ISSN:03856917)

巻号頁・発行日

vol.2008, no.53, pp.81-86, 2008-05-07 (Released:2008-11-01)