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首页> 外文期刊>精密工学会誌 >Studies on Microscopic Behavior of Ball Screw (1st Report) - Fundamental Experiments on Quasi-statical Characteristics -
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Studies on Microscopic Behavior of Ball Screw (1st Report) - Fundamental Experiments on Quasi-statical Characteristics -

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摘要

Positioning tables using preloaded ball screws show nonlinearly elastic characteristics between small torque input and table displacement within microscopic range of several micrometers. The elastic property is available in nanometer positioning control because the displacement reveals no sticking and responds to the toque input, even small. However, it has not been known how the elastic property is influenced by conditions of the preload or input torque. This study aims at clarifying the elastic property of preloaded ball screw in microscopic range under various conditions, in order to apply the property to ultra-precise positioning with nanometric resolution. This report presents some experimental results on the elastic property of ball screws which are preloaded by deferent methods.

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