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大功率风力发电机组铸造主轴的结构设计与强度分析

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针对某大功率风力发电机组主轴材料利用率低、生产周期长、成本高的问题,将主轴生产工艺由锻造改为铸造,对其薄弱位置进行结构优化设计,并进行极限强度和疲劳强度分析.通过极限强度和疲劳强度分析可知,铸造主轴的Von Mises应力和疲劳损伤均满足设计要求.研究表明,铸造主轴比锻造主轴单台节约成本21万元,大幅度降低生产成本,产生良好的经济效益,为大功率风力发电机组铸造主轴的结构设计与强度分析提供了参考.
Structural Design and Strength Analysis of Casting Main Shaft for High-power Wind Turbine
In order to solve the problems of low utilization ratio,long production cycle and high cost of the main shaft of the high-power wind turbine,it is necessary to carry out cost-reduction design.The main shaft was changed from forging to casting,and its weak position was optimized,and the ultimate strength and fatigue strength were analyzed.The Von Mises stress and fatigue damage of the casting main shaft met the design requirements through the analysis of ultimate strength and fatigue strength.The study shows that the cost of casting main shaft is 210,000 yuan less than that of single forging main shaft,the cost is greatly reduced,and the enormous economic benefit is produced,it provides a reference for the structural design and strength analysis of casting main shaft of the high-power wind turbine.

high-powerwind turbinecasting main shaftstructural designstrength analysis

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哈电风能有限公司,湖南湘潭 411101

海上风力发电装备与风能高效利用全国重点实验室,湖南湘潭 411101

大功率 风力发电机组 铸造主轴 结构设计 强度分析

国家重点研发计划"可再生能源技术"专项

2022YFB4201505

2024

铸造工程
上海市机械制造工艺研究所有限公司

铸造工程

影响因子:0.074
ISSN:1673-3320
年,卷(期):2024.48(3)