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介绍3+9+15×0.20ST钢丝帘线在12.00R20高负荷全钢载重子午线轮胎胎体中的应用。与3+9+15×0.225HT钢丝帘线相比,3+9+15×0.20ST钢丝帘线直径和线密度小,在破断力/直径与破断力/线密度方面有优势,以其替代3+9+15×0.225HT钢丝帘线用于12.00R20高负荷全钢载重子午线轮胎胎体,成品轮胎的外缘尺寸基本不变,强度性能、耐久性能、胎圈耐久性能和高速性能均有所提高,安全性能略有提高,胎体成本大幅下降,同时有效解决了苛刻使用条件下轮胎胎肩脱层和胎圈空等问题。
The Application of 3 + 9 + 15 × 0.20ST Steel Cord in the Carriage of 12.00R20 High Load Steel Radial Tire. Compared with 3 + 9 + 15 × 0.225HT steel cord, the 3 + 9 + 15 × 0.20ST steel cord has small diameter and linear density, which has the advantage of breaking force / diameter and breaking force / linear density, 3 +9 +15 × 0.225HT steel cord for 12.00R20 high load all-steel radial truck tire carcass, the outer edge of the finished tire size remains unchanged, strength performance, durability, durability and high-speed performance of the bead The safety performance is slightly improved, the cost of the carcass is greatly reduced, and the problems of delamination of the tire shoulder and the empty bead are effectively solved under the harsh conditions of use.