To provide a correction method for tire uniformity data, whereby tire uniformity data of various tires that rotate at a high speed can be obtained with a higher accuracy in comparison with a conventional one without using an excessively rigid TUM (Tire Uniformity Machine), and to provide a tire uniformity machine.SOLUTION: A load transmission function G' for a uniformity measurement device 1 in a second state in which a to-be-measured tire 50 is attached is derived using at least one of a load transmission function G measured in a reference transmission function measurement step and an acceleration transmission function H. Using this load transmission function G', tire uniformity data obtained by performing a predetermined signal process on a tire uniformity waveform is corrected.SELECTED DRAWING: Figure 11
【課題】過剰な剛性を有したTUM(タイヤユニフォミティマシン)を用いることなく、高速で回転する各種タイヤの、従来よりも精度の高いタイヤユニフォミティデータを求めることが可能なタイヤユニフォミティデータの補正方法およびタイヤユニフォミティマシンを提供すること。【解決手段】基準伝達関数計測工程において計測した荷重伝達関数G、および加速度伝達関数Hのうちの少なくとも一方と、固有振動数計測工程において計測した固有振動数とを用いて、測定対象のタイヤ50が取り付けられた第2の状態のユニフォミティ測定装置1の荷重伝達関数G´を導出する。この荷重伝達関数G´で、タイヤユニフォミティ波形を所定の信号処理してなるタイヤユニフォミティデータを補正する。【選択図】図11
CORRECTION METHOD FOR TIRE UNIFORMITY DATA AND TIRE UNIFORMITY MACHINE
タイヤユニフォミティデータの補正方法、およびタイヤユニフォミティマシン
2020-11-12
Patent
Electronic Resource
Japanese
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