熱膨張量推定のためのボールねじ温度分布測定位置の選定
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概要
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The optical telemeter system developed is used to measure the temperature distribution of ball-screw and to estimate the thermal elongation of the ball-screw. This paper deals with the selection policy of the measuring position of the temperature. One of the main heat sources is the contact zone between the groove surface of ball-screw and the rolling ball. It is experimentally examined the temperature distribution right under the groove valley and at other positions of the inner surface of hollow ball-screw. It is clarified that the temperature difference due to measuring position within lead length is less than 0.07℃ under the driving condition less than 20m/min table speed. Thus the every position within lead length is available for the temperature measurement to estimate the thermal elongation of ball-screw.
- 日本設計工学会の論文
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