385/65R22.5全钢载重子午线轮胎的轻量化设计  

Lightweight Design of 385/65R22.5 All-steel Truck and Bus Radial Tire

作　　者：胡锴 HU Kai(Thomas(Hangzhou)Automotive Technology Service Co.,Ltd,Hangzhou 311305,China)

机构地区：[1]托马斯(杭州)汽车科技服务有限公司,浙江杭州311305

出　　处：《轮胎工业》2025年第5期270-273,共4页Tire Industry

摘　　要：介绍385/65R22.5全钢载重子午线轮胎的轻量化设计。结构设计:外直径1065 mm,断面宽378 mm,行驶面宽度288 mm,行驶面弧度高11.5 mm,胎圈着合直径571 mm,胎圈着合宽度302 mm,断面水平轴位置(H1/H2)1.03,胎面采用4条变节距曲折花纹,花纹深度13.5 mm,花纹饱和度75%。施工设计:胎面由胎面胶和基部胶组成,并设计过渡胶片,采用3层带束层+0°冠带层设计,1#和2#带束层采用2+7×0.30ST钢丝帘线,3#带束层采用5×0.35HI钢丝帘线,0°冠带层采用3×7×0.20HE钢丝帘线,胎体采用0.17+5×0.215+10×0.235CCST钢丝帘线,钢丝圈采用Φ1.55 mm HT回火胎圈钢丝。成品性能测试结果表明,轮胎的外缘尺寸、强度性能和耐久性能均符合设计和相应标准要求。The lightweight design of 385/65R22.5 all-steel truck and bus radial tire was introduced.In the structure design,the following parameters were taken:overall diameter 1065 mm,cross-section width 378 mm,width of running surface 288 mm,arc height of running surface 11.5 mm,bead diameter at rim seat 571 mm,bead width at rim seat 302 mm,maximum width position of cross-section(H1/H2)1.03,using four variable-pitch zigzag patterns for tread,pattern depth 13.5 mm,and block/total ratio 75%.In the construction design,the following parameters were taken:the tread was composed of tread compound and base compound,as well as transition compound design,using three layers of belts plus a 0°cap ply design,2+7×0.30ST steel cord for 1#and 2#belts,5×0.35HI steel cord for 3#belt,3×7×0.20HE steel cord for 0°cap ply,0.17+5×0.215+10×0.235CCST steel cord for carcass,HT tempered bead wire for bead.The finished tire performance test results showed that the inflated peripheral dimension,strength and durability of the tire all met the requirements of the corresponding design and national standards.

关 键 词：全钢载重子午线轮胎 结构设计 施工设计 轻量化 

分 类 号：TQ336.11[化学工程—橡胶工业]