摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tire performance evaluation method capable of evaluating chipping occurring in a tread part on a platform by reproducing a result by actual vehicle traveling in the market. <P>SOLUTION: A tire performance evaluation method includes a wearing step for wearing a tread surface 15 of a sample tire 11 having grooves 13, 14 on a tread part 12 to make the depth of the grooves 13, 14 shallow, a deterioration step for maintaining the sample tire 11 in high temperature atmosphere to accelerate deterioration, a flaw formation step for forming a slit-shaped flaw 17 in a corner part C of the bottom of the groove 14, and a travel step for attaching the sample tire 11 which is worn and deteriorated with the flaw formed in this way to a test device to rotate the sample tire by a rotation drive drum of the test device, In the travel step, a slip angle is set in the sample tire 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |