商用车车架疲劳试验系统设计

来源 :第19届亚太汽车工程年会暨2017中国汽车工程学会年会 | 被引量 : 0次 | 上传用户:ok_qq
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针对商用车车架的弯曲、扭转以及疲劳试验设计一种专用的试验系统,该试验系统一方面可以实现对车架的弯曲强度和扭转强度的测试;另一方面,其采用电测设备采集易破坏部位的应变-应力谱,通过应变-应力谱计算出不同试验次数对车架造成的疲劳损伤,并且在车架满足疲劳寿命时通过MINER疲劳寿命理论在INFIELD软件中计算出该型车架的疲劳寿命,进而换算出行驶里程,为设计人员提供数据支撑.
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