皮带轮转动惯量的测定及技巧

发布时间：2018-06-01 00:16

  本文选题：皮带轮 + 转动惯量　； 参考：《实验室研究与探索》2016年01期

【摘要】：在工程实际问题中,为考察物体的转动特性,需要知道其转动惯量。对于质量分布均匀或形状规则的物体,可以采用理论方法计算得到其转动惯量,而对于绝大多数质量不均匀或形状不规则的物体,只能采用实验方法测得转动惯量。首先介绍和比较了常用的转动惯量测定方法,讨论了各种测定方法的优点和缺陷;然后以粉末冶金技术成型的皮带轮为例,运用落锤测定法测得了其相对于转轴的转动惯量,并对测试结果进行了误差分析,研究了测试误差产生的原因。最后,介绍了在转动惯量实测过程中所遇到的问题以及解决问题的技巧。
[Abstract]:In engineering practice, in order to investigate the rotational characteristics of an object, it is necessary to know its moment of inertia. For a body with uniform mass distribution or regular shape, the moment of inertia can be calculated by theoretical method, but for most objects with uneven mass or irregular shape, the moment of inertia can only be measured by experimental method. This paper first introduces and compares the commonly used methods for measuring the moment of inertia, and discusses the advantages and disadvantages of various measuring methods, and then, taking the pulley formed by powder metallurgy technology as an example, the moment of inertia relative to the shaft is measured by using the drop weight method. The error analysis of the test results is carried out, and the causes of the test errors are studied. Finally, the problems encountered in the measurement of the moment of inertia and the skills to solve the problems are introduced.
【作者单位】： 扬州大学机械工程学院;
【基金】：国家自然科学基金资助项目(51275447) 扬州大学教学改革课题(YZUJX2012-6A)
【分类号】：TB93
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本文编号：1961987