摘要
介绍电动汽车用115/70R16轿车子午线轮胎的设计。结构设计:外直径564 mm,断面宽130 mm,行驶面宽度92 mm,行驶面弧度高4.0 mm,胎圈着合直径404.3 mm,胎圈着合宽度114 mm,断面水平轴位置(H_(1)/H_(2))0.9716,胎面花纹采用5个节距排列形式,花纹深度5.5 mm,花纹饱和度71.48%,花纹周节数62。施工设计:胎面采用三方四块结构,带束层采用2×0.30ST钢丝帘线,胎体采用高模量低收缩聚酯浸胶帘布,采用二次法成型机成型、轮胎定型硫化机硫化。成品性能试验结果表明,轮胎的充气外缘尺寸、强度性能、脱圈阻力、胎圈压力、耐久性能、低气压性能和高速性能均达到相应设计和标准要求,滚动阻力符合电动汽车企业的指标要求,轮胎刚性良好,静态接地压力分布均匀。
The design of 115/70R16 passenger car radial tire for electric vehicle was described.In the structure design,the following parameters were taken:overall diameter 564 mm,cross-sectional width 130 mm,width of running surface 92 mm,arc height of running surface 4.0 mm,bead diameter at rim seat 404.3 mm,bead width at rim seat 114 mm,maximum width position of cross-section(H_(1)/H_(2))0.9716,five-pitch arrangement for the tread pattern,pattern depth 5.5 mm,block/total ratio 71.48%,and number of pattern pitches 62.In the construction design,the following processes were taken:using three-formula and four-piece tread construction,2×0.30ST steel cord for the belt layer,high modulus and low shrinkage polyester dipped cord for carcass,and using two stage building machine to build tire and tire shaping curing press to cure tire.It was confirmed by the finished tire test that,the inflated peripheral dimension,strength performance,bead unseating resistance,bead pressure,endurance performance,low pressure performance and high speed performance reached the requirements of the corresponding design and standards,the rolling resistance met the requirements of electric vehicle enterprises standards,the tire rigidity was good,and the static grounding pressure distribution was uniform.
作者
郜宪杰
陈华
高科
郑闻运
GAO Xianjie;CHEN Hua;GAO Ke;ZHENG Wenyun(Zhongce Rubber Group Co.,Ltd,Hangzhou 310018,China)
出处
《轮胎工业》
CAS
2021年第11期683-687,共5页
Tire Industry
关键词
轿车子午线轮胎
电动汽车
结构设计
施工设计
成品性能
passenger car radial tire
electric vehicle
structure design
construction design
finished tire performance
