精紡用ボビンの振動

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  • Vibration of Bobbin for Fine Spinning
  • セイボウヨウ ボビン ノ シンドウ

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抄録

This paper treats the vibration of bobbin for fine spinning. The vibration of bobbin for fine spinning becoms large, as the rotating speed of spindle increases. So, we cannot operate the fine spinning machine as rapidly as we wish. Up to this day, many people have worked on the vibration problem of bobbin, but the whole aspect of this problem is not yet explained. The author studies this problem as follows : (1) He measures the amplitude of the all parts of bobbin, while many people measured the amplitude at the head part of bobbin but in this way the characteristics of the vibration of bobbin cannot be clarified. (2) From the result of the experiment, some vibrational characteristics of bobbin and spindle may be judged. (3) Considering these characteristics, theoretical model is proposed and theoretical relation between the rotating speed and the vibration is obtained by solving the equation of motion of the model. (4) This theoretical relation coincides with the experimental result. Then, he can justify the above judgement.

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