According to microstructure and the results of hardness test, appropriate adjustment of heat treatment could promote fatigue lift of spring steel.
根据显微组织和硬度检测结果，适当调整热处理工艺，可进一步提高弹簧的疲劳寿命。
Failure diagnosis of disc spring in transmission of scraper Model CL7 and bench life test for its fatigue life are introduced. Improvement measures in increasing its fatigue life are proposed.
本文介绍了CL7铲运机变速器蝶形弹簧失效原因的分析和台架疲劳寿命试验研究，提出了提高蝶簧疲劳寿命的改进措施。
Failure diagnosis of disc spring in transmission of scraper Model CL7 and bench life test for its fatigue life are introduced. Improvement measures in increasing its fatigue life are proposed.
本文介绍了CL7铲运机变速器蝶形弹簧失效原因的分析和台架疲劳寿命试验研究，提出了提高蝶簧疲劳寿命的改进措施。
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