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Experiments in fixturing mechanics

机译:夹具力学实验

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摘要

This paper describes an experimental fixturing system wherein fixel reaction forces, workpiece loading, and workpiece displacements are measured during simulated fixturing operations. The system's configuration, its measurement principles, and tests to characterize its performance are summarized. This system is used to experimentally determine the relationship between workpiece displacement and variations in fixed preload force or workpiece loading. We compare the results against standard theories, and conclude that commonly used linear spring models do not accurately predict workpiece displacements, while a non-linear compliance model provides better predictive behavior.
机译:本文介绍了一种实验夹具系统,其中在模拟夹具操作期间测量夹具反作用力,工件负载和工件位移。总结了系统的配置,其测量原理以及表征其性能的测试。该系统用于实验确定工件位移与固定预紧力或工件载荷变化之间的关系。我们将结果与标准理论进行比较,得出的结论是,常用的线性弹簧模型不能准确预测工件位移,而非线性柔性模型则可以提供更好的预测性能。

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