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对比研究了4+3×0.35HT和3×0.20+6×0.35HT钢丝帘线在全钢载重子午线轮胎带束层中的应用。试验表明:与3×0.20+6×0.35HT钢丝帘线相比,4+3×0.35HT钢丝帘线线密度和破断力较大、帘线刚性大、渗胶性能好、压延工艺通过性能好;以4+3×0.35HT钢丝帘线替代3×0.20+6×0.35HT钢丝帘线应用于全钢载重子午线轮胎带束层的生产,成品轮胎外缘尺寸符合国家标准,提高了耐久性能和耐磨性能,生产成本降低。
The application of 4 + 3 × 0.35HT and 3 × 0.20 + 6 × 0.35HT steel cords in the belt of all-steel radial truck tire was comparatively studied. The test results show that the 4 + 3 × 0.35HT steel cord has higher linear density and breaking force than the 3 × 0.20 + 6 × 0.35HT steel cord, the rigidity of the cord is good, the seepage performance is good, and the rolling process has good performance ; 4 +3 × 0.35HT steel cord instead of 3 × 0.20 +6 × 0.35HT steel cord used in the production of steel radial truck tire belts, finished tire rim size in line with national standards and improve the durability and Wear resistance, lower production costs.