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METHOD FOR MANUFACTURING SPRING FOR SUSPENSION DEVICE, AND SPRING FOR SUSPENSION DEVICE
专利权人:
NHK SPRING CO., LTD.
发明人:
TANGE Akira,KURIMOTO Kiyoshi
申请号:
WO2016JP58284
公开号:
WO2016158408(A1)
申请日:
2016.03.16
申请国别(地区):
世界知识产权组织国际局
年份:
2016
代理人:
摘要:
This method for manufacturing a spring for a suspension device is characterized by including a molding step S10 for molding a steel member that contains, in mass%, C: 0.10-0.39%, Mn: 1.00-1.50%, and B: 0.0005-0.003% in hot or cold molding to a spring shape, and a quenching step S20 for carrying out quenching of the molded steel member using a medium having a heat transfer coefficient about equal to that of water or close to that of water, without the steel member subjected to quenching being tempered at 400°C or above.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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