Pneumatic tire
A pneumatic tire, tire technology, applied in tire parts, tire tread/tread pattern, transportation and packaging, etc., can solve the problems of poor ice road performance, balanced performance improvement, pattern rigidity, and friction reduction. , to achieve high drainage performance, improve snow road performance, and improve the effect of snow column shear force
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[0057] Based on the specifications in Table 1, prototypes have figure 1 The size of the basic pattern is 195 / 80R15 pneumatic tires, and the water drainage performance, ice road performance (braking force and turning performance) and snow road performance of each test tire are tested. In addition, general specifications are as follows.
[0058] Tread contact width TW: 163mm
[0059]
[0060] Groove width W1: 4.0~7.0mm
[0061] Groove depth: 12.5mm
[0062] The tire axial distance L1 / TW of the groove center line of the central main groove: 10.3%
[0063] The tire axial distance L2 / TW of the groove center line of the shoulder main groove: 28.1%
[0064]
[0065] Groove width W2: 2.0~6.0mm
[0066] Groove depth: 7.0~10.5mm
[0067] The test method is as follows.
[0068]
[0069] Under the following conditions, each test tire was mounted on all wheels of a 4-wheel drive vehicle with a displacement of 2700CC, and the vehicle was driven on a snowy road test route by a s...
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