12R22.5 18PR子午线轮胎的设计

介绍12R22.5 18PR子午线轮胎的设计。结构设计:外直径1 070 mm,断面宽310 mm,行驶面宽度235mm,行驶面弧高度7.5 mm,胎圈着合直径550 mm,胎圈着合宽度250 mm,断面水平轴位置(H_1/H_2)0.840,胎面花纹为长型花纹与短型花纹交替的变节距花纹,花纹深度17 mm,花纹饱和度73.58%,花纹周节数80。施工设计:胎面采用全分层设计,胎侧采用三复合结构,胎体采用0.25+6+12×0.225HT钢丝帘线,1~#,2~#和3~#带束层采用4+6×0.30HT钢丝帘线,4~#带束层5×0.35HI钢丝帘线,钢丝圈采用斜六角形结构,采用一次法成型机成型和双模硫化机氮气硫化工艺。成品性能试验结果表明,成品轮胎的外缘尺寸、强度性能和耐久性能达到设计和国家标准要求。

Design of Radial tire in 18PR 12R22.5

The Design of 12R22.5 18PR Radial Tire. Structural design: outside diameter 1070mm, section width 310mm, running width 235mm, running surface arc height 7.5mm, bead with a diameter of 550mm, bead width 250mm, the horizontal axis position 0.840; tread pattern for the long pattern And short-pattern alternating variable pitch pattern. Construction design: tread with full delamination design, sidewall with three composite structure, carcass 0.25 6 12 × 0.225HT steel cord, 1 #, 2 # and 3 # belt are used 4 6 × 0.30HT steel cord, bead ring with oblique hexagonal structure; molding using a molding machine, curing vulcanization using dual-mode nitrogen curing process. Finished tire size of the outer edge, strength, performance and durability to meet national standards.