Design on 265/65R18LT All-steel Light Truck and Bus Radial Tire for Off-road
The design of 265/65R18LT all-steel light truck and bus radial tire for off-road was introduced.In the structural design,the following parameters were taken:overall diameter 809 mm,cross-section width 282 mm,width of running surface 210 mm,arc height of running surface 11 mm,bead diameter at rim 459 mm,bead width at rim 215.9 mm,maximum width position of cross-section(H1/H2)0.972 9,off-road pattern for tread with reserved nail positions,pattern depth 14 mm,block/total ratio 55%,and number of pattern pitches 40.In the construction design,the following processes were taken:2-layer design of crown compound and base compound for tread,3×0.20+6 ×0.35HT steel cord for l# and 2# belt,930dtex/2 nylon 66 dipped cord for cap ply,3+9 × 0.22+0.15 steel cord for carcass.The performance test results of the finished product indicated that the inflated peripheral dimension and various properties of the tire met the requirements of national standards.The rectangular ratio of tire foot print was 1.01,and the shoulder settlement was 1.05,which was consistent with the finite element analysis results.
all-steel light truck and bus radial tireoff-road patternstructural designconstruction designperformance of finished productfinite element analysis