| 钎杆试样抗弯强度计算方法的探讨 |
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| 引用本文： | 薛新民,匡同春. 钎杆试样抗弯强度计算方法的探讨[J]. 广东工业大学学报, 1994, 0(3) |
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| 作者姓名： | 薛新民 匡同春 |
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| 作者单位： | 广东工学院实验研究中心 |
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| 摘 要： | 本文在ＧＢ９７７－６７的基础上结合材料力学的原理与方法，推导出了钎杆试样在各种情况下抗弯强度的计算公式．分析了椭圆度、断口位置偏移、锥度等因素对抗奇强度计算的影响在计算数据误差分析得知断口位置偏移的影响较大．
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| 关 键 词： | 钎杆；抗弯强度；断口位置偏移 |
A Discussion on the Calculating Methods of Bending Strength for Drill Rod Specimens |
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| Xue Xinmin, Kuang Tongchun. A Discussion on the Calculating Methods of Bending Strength for Drill Rod Specimens[J]. Journal of Guangdong University of Technology, 1994, 0(3) |
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| Authors: | Xue Xinmin Kuang Tongchun |
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| Affiliation: | Experiment & research Centre |
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| Abstract: | The paper has obtained calculation equations of bending strength for drill rod samples in all cases based on GB977-67 and the principle of mechanics of matenials. The effects of factors (such as ellipticity, fracture displtacement and taper) on the calculation of bending strength are analyzed, The error analyzes of calculation result show that the fracture displacement has a greater effect. |
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| Keywords: | drill rod bending strength fracture displacement |
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