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介绍225/70R19.5轻型载重轮胎研发中出现的施工设计问题及解决措施。通过设计波浪形胎面、增加模具防水线部位排气孔、设定适合的成型机平宽和提高成型机工艺稳定性,解决了成品轮胎带束层不平、胎圈防水线部位周向缺胶裂口以及充气后胎侧字体变形问题。成品轮胎的强度性能和耐久性能满足设计要求。
Describes the construction design problems and their solutions in the development of 225 / 70R19.5 light duty tires. By designing the wavy tread, increasing the vent of the mold waterproof line, setting the suitable flatness of the forming machine and improving the process stability of the forming machine, the invention solves the problem that the finished tire belt is uneven and the circumferential waterproofing of the bead waterproof line is lacking Rift and inflated sidewall fonts deformation problems. Finished tire strength and durability to meet the design requirements.