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| 车轮弯曲疲劳试验机校准方法及主要测量项目不确定度评定 |
| Calibration Method of Wheel Bending Fatigue Testing Machine and Evaluation of the Uncertainty of Main Items |
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| DOI： |
| 中文关键词: 车轮弯曲疲劳试验机；弯矩；加载轴偏移量；转速；不确定度 |
| 英文关键词: wheel bending fatigue testing machine； bending moment； loading axis deviation； speed； uncertainty |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | | ZHOU Kuiwu | Beijing Research and Design Institute of Rubber Industry， | | ZHU Kai | Beijing Research and Design Institute of Rubber Industry， | | WANG Zhongshou | Beijing Research and Design Institute of Rubber Industry， |
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| 中文摘要: |
| 对车轮弯曲疲劳试验机试验弯矩、加载轴偏移量、试验转速进行校准，对试验弯矩和试验转速的不确定度进行评定。试验弯矩和试验转速校准结果不确定度的主要来源为试验机分辨力引入的标准不确定度、试验机测试重复性引入的标准不确定度、标准测力仪或标准转速表分辨力引入的标准不确定度。 |
| 英文摘要: |
| The wheel bending fatigue testing machine was calibrated， and the items included the bending moment， the loading axis deviation and testing speed. The uncertainties of bending moment and speed were then evaluated. It was found that the main source of uncertainty was introduced by the resolution and repeatability of the testing machine， and the resolution of the force sensor and tachometer. |
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