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介绍67×34.00-25 14PR HF-4无内胎半钢林业斜交轮胎的设计。结构设计:外直径1 730mm,断面宽845mm,行驶面宽度818mm,行驶面弧度高47.3mm,胎圈着合直径629.5mm,胎圈着合宽度768.3mm,断面水平轴位置(H1/H2)0.406 4,花纹深度95.5mm,花纹饱和度26.7%,花纹周节数20。施工设计:胎面采用三方四块结构,胎体采用8层2100dtex/2锦纶66浸胶帘布,缓冲层采用2层5×0.30HI钢丝帘布,采用Φ876mm成型机头成型、单模胶囊硫化机硫化。成品轮胎试验结果表明,轮胎的充气外缘尺寸和物理性能均符合相应设计和国家标准要求。
Introduction to the design of 67 × 34.00-25 14PR HF-4 tubeless bias tire for semi tubeless steel tubes. Structure design: The outer diameter is 1 730mm, the section is 845mm wide, the width of the driving surface is 818mm, the driving surface is 47.3mm high, the diameter of the bead is 629.5mm, the width of the bead is 768.3mm, the horizontal axis position of the section is 0.406 4, pattern depth 95.5mm, pattern saturation of 26.7%, the number of weeks pattern 20. Construction design: tread with three square four structure, the carcass with 8 layers of 2100dtex / 2 nylon 66 dipped cord, the buffer layer with 2 layers of 5 × 0.30HI steel cord, using Φ876mm molding head molding, single-mode capsule curing machine curing . Finished tire test results show that the tire inflatable rim size and physical properties are in line with the corresponding design and national standards.