385/55R22.5宽基载重子午线轮胎的设计  

Design on 385/55R22.5 Wide Base Truck and Bus Radial Tire

作　　者：郑志超 程继强 常素玲 李超 ZHENG Zhichao;CHENG Jiqiang;CHANG Suling;LI Chao(Shanxi Yanchang Petroleum Group Rubber Co.,Ltd,Xianyang 712000,China)

机构地区：[1]陕西延长石油集团橡胶有限公司,陕西咸阳712000

出　　处：《橡胶科技》2020年第9期521-523,共3页Rubber Science and Technology

摘　　要：介绍385/55R22.5宽基载重子午线轮胎的设计。结构设计:外直径996 mm,断面宽384 mm,行驶面宽度312 mm,行驶面弧度高14.5 mm,胎圈着合直径570.5 mm,胎圈着合宽度324 mm,断面水平轴位置(H1/H2)0.93,胎面花纹采用4条纵向曲折花纹沟设计,花纹深度16mm,花纹饱和度74.5%,花纹周节数61。施工设计:胎面采用两方三块结构,1#和2#带束层采用3+8×0.33HT钢丝帘线,3#带束层采用5×0.35HI钢丝帘线,0°带束层采用3×7×0.20HE钢丝帘线,胎体采用0.17+5×0.215+12×0.235ST钢丝帘线,采用一次法成型机成型、双模硫化机硫化。成品性能试验结果表明,轮胎的充气外缘尺寸、强度性能、耐久性能和高速性能均达到相应国家标准和企业标准要求,滚动阻力和噪声符合相应设计要求。The design on 385/55 R22.5 wide base truck and bus radial tire was described.In the structure design,the following parameters were taken:overall diameter 996 mm,cross-sectional width 384 mm,width of running surface 312 mm,arc height of running surface 14.5 mm,bead diameter at rim seat 570.5 mm,bead width at rim seat 324 mm,maximum width position of cross–section(H1/H2) 0.93,using 4 longitudinal zigzag grooves tread pattern design,pattern depth 16 mm,block/total ratio 74.5%,and number of pattern pitches 61.In the construction design,the following processes were taken:twofomular and three-piece for tread,3+8×0.33 HT steel cord for 1# and 2# belt,5×0.35 HI steel cord for 3# belt,3×7×0.20 HE steel cord for 0° belt,0.17 + 5×0.215 + 12×0.235 ST steel cord for carcass,using one-step building machine to build tires,and double mold vulcanizing press to cure tires.The test results of finished tires showed that,the inflated peripheral dimension,strength,durability and high speed performance of finished tires met the requirements of corresponding national and enterprise standards,and the rolling resistance and noise met the requirements of the corresponding design.

关 键 词：宽基轮胎 载重子午线轮胎 结构设计 施工设计 

分 类 号：U463.341.36[机械工程—车辆工程] TQ336.1[交通运输工程—载运工具运用工程]