245/45R18100Y XL防爆安全子午线轮胎的设计  

Design on 245/45R18100Y XL Explosion-proof Safety Radial Tire

作　　者：赵彦伟 陈虎 田健 刘剑美 朱庆帅 路绍军 李海平 ZHAO Yanwei;CHEN Hu;TIAN Jian;LIU Jianmei;ZHU Qingshuai;LU Shaojun;LI Haiping(TTA(Qingdao)Tire Technology Co.,Ltd,Qingdao 266000,China;Dongying Fangxing Rubber Co.,Ltd,Guangrao 257300,China)

机构地区：[1]特拓(青岛)轮胎技术有限公司,山东青岛266000 [2]东营方兴橡胶股份有限责任公司,山东广饶257300

出　　处：《轮胎工业》2022年第12期729-733,共5页Tire Industry

摘　　要：介绍245/45R18100Y XL防爆安全子午线轮胎的设计。结构设计:外直径668 mm,断面宽256 mm,行驶面宽度207 mm,行驶面弧度高9.9 mm,胎圈着合直径457.6 mm,胎圈着合宽度228.6 mm,断面水平轴位置(H1/H2)1.0,胎面花纹采用4条纵沟、非对称设计,花纹深度8 mm,花纹周节数31,花纹饱和度71%。施工设计:胎体采用双层人造丝浸胶帘布,带束层采用3×0.30ST钢丝帘线,冠带层采用1400dtex/2锦纶66浸胶帘布;采用VMIEXXIUM一次法成型设备成型,全自动液压式硫化机硫化。成品性能试验结果表明,成品轮胎的充气外缘尺寸、强度性能、高速性能、耐久性能和脱圈阻力均符合相关国家或企业标准要求,同时具有良好的零气压耐久性能和静负荷性能,兼具防爆和乘坐舒适性。The design on 245/45R18100Y XL explosion-proof safety radial tire was introduced.In the structure design,the following parameters were taken:overall diameter 668 mm,cross-sectional width 256 mm,width of running surface 207 mm,arc height of running surface 9.9 mm,bead diameter at rim seat 457.6 mm,bead width at rim seat 228.6 mm,maximum width position of cross-section(H1/H2)1.0,the tread pattern adopted 4 longitudinal grooves and asymmetrical design,pattern depth 8 mm,number of pattern pitches 31,and block/total ratio 71%.In the construction design,the following processes were taken:the carcass adopted double-layer dipped rayon fabric,the belt adopted 3×0.30ST steel cord,the cap ply adopted dipped 1400dtex/2 nylon 66 fabric;VMI-EXXIUM one-stage building machines were used to build tires,and full automatic hydraulic vulcanizers were used to cure tires.The test results of the finished tire showed that the inflation peripheral dimension,strength performance,high speed performance,durability and bead unseating resistance met the requirements of relevant national standards or enterprise standards.Meanwhile,the zero pressure durability and static load performance of the tire were good,providing excellent explosion-proof performance and riding comfort.

关 键 词：轿车子午线轮胎 防爆安全轮胎 结构设计 施工设计 耐久性能 

分 类 号：U463.341.4[机械工程—车辆工程] U463.341.6[交通运输工程—载运工具运用工程]