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Enhancement of Accuracy of Tire Wear Prediction Method by Reflection of Material Temperature Characteristics

Article of Honda R&D Technical Review Vol.29 No.2

Summary

In order to increase the prediction accuracy of tire wear, prediction error has been decreased by setting differing temperature characteristics for each rib in the tread rubber viscosity, characteristic of a prediction model. In addition, though previously challenging, calculation of the wear degree for each rib has increased the accuracy of uneven wear prediction, such as center wear in the front tires of front wheel drive vehicles and wear on the outer shoulders of rear tires. This prediction model will make it possible to predict the degree of wear, including uneven wear, from the initial stage of vehicle development in addition to studying rolling resistance and wet braking performances, which will contribute to increased vehicle development efficiency. By reducing the necessity of conducting wear evaluation tests using real vehicles, the model will also contribute to reducing the person-hours involved in testing.

Reference

(1) Sakai, H.: Study on the Wear of Tire Tread Rubber Part 2. Friction and Wear Under Condition of Large Slip Velocity, Journal of the Society of Rubber Science and Technology, Japan, Vol. 68, No. 4, p. 251-257, (1995) (in Japanese)
(2) Yamazaki, S., Suzuki, T., Fujikawa, T.: Analysis of Influence of Drum Curvature on Tire Tread Wear in Indoor Wear Test, Journal of the Society of Rubber Science and Technology, Japan, Vol. 70, No. 7, p. 392-398, (1997) (in Japanese)
(3) Kobayashi, H., Haraguchi, T., Kato, K.: Estimation Method of Tire Tread Wear Life, TOYOTA Technical Review, Vol. 50, No. 1, p. 50-55, (2000)
(4) Tsutsumi, S., Ando, T., Nohtomi, S., Mizone, T.: An Investigation of Tire Wear Life Prediction Method using Abrasive Wear Volume Formula, JSAE Annual Congress Proceedings, No. 1-176, p. 1979-1984, (2016) (in Japanese)
(5) Ratner, S. B., Farberova, I. J., Radybevich, O. V., Luré E. G.: Abrasion of Rubber, James, D. I. Ed., MacLaren, London, p. 145, (1967)
(6) Hirayama, M., Nishino, T.: Scaling of Wear Resistance of Rubber Compounds for Tires Using Rubber Properties, Journal of the Society of Rubber Science and Technology, Japan, Vol. 86, No. 1, p. 3-7, (2013) (in Japanese)
(7) Kawakami, S., Hirakawa, H., Misawa, M.: Interpretation of Wet Friction Coefficient by the Viscoelastic Nature of Rubber, Journal of the Society of Rubber Science and Technology, Japan, Vol. 61, No. 10, p. 722-727, (1988) (in Japanese)
(8) Bridgestone Co.: Jidoushayou Taiya no Kiso to Jissai, Tokyo Denki University Press, p. 238, (2008) (in Japanese)

Author (organization or company)

Takashi ANDO(Automobile R&D Center)、Shuji TSUTSUMI(Automobile R&D Center)、Shinya NOHTOMI(Automobile R&D Center)、Tetsuya MIZONE(Automobile R&D Center)

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