33×12-20(7.50)SAS实心轮胎的设计  

Design on 33×12-20(7.50)SAS Solid Tire

作　　者：韦昌交 WEI Changjiao(Guizhou Tyre Co.,Ltd,Guiyang 550201,China)

机构地区：[1]贵州轮胎股份有限公司,贵州贵阳550201

出　　处：《轮胎工业》2021年第2期79-82,共4页Tire Industry

摘　　要：介绍33×12-20(7. 50)SAS实心轮胎的设计。结构设计:外直径852 mm,断面宽295 mm,行驶面宽度282 mm,行驶面弧度高15 mm,胎圈着合直径503 mm,胎圈着合宽度195 mm,断面水平轴位置(H_1/H_2) 0. 879 1,采用有向牵引型大块横向花纹,花纹深度40 mm,花纹周节数20,花纹饱和度51%。施工设计:胎面采用先进的三段式结构,开炼机自动缠绕方式成型,平板硫化机硫化。成品轮胎试验结果表明,轮胎的外缘尺寸、静负荷性能、物理性能和耐久性能均符合国家标准要求。The design on 33×12-20(7.50)SAS solid tire was described.In the structural design,the following parameters were taken:overall diameter 852 mm,cross-sectional width 295 mm,width of running surface 282 mm,arc height of running surface 15 mm,bead diameter at rim seat 503 mm,bead width at rim seat 195 mm,maximum width position of cross-section(H1/H2)0.8791,transverse tread pattern with directional traction and large block design,pattern depth 40 mm,number of pattern pitches 20,and block/total ratio 51%.In the construction design,advanced three-layer structure was adopted for tread,open mill mixing and automatic winding molding process were used to build tires,and platen press was applied to cure tires.It was confirmed by the tests of the finished tire that,the peripheral dimension,static load performance,physical properties and endurance met the requirements of national standards.

关 键 词：实心轮胎 结构设计 施工设计 静负荷性能 物理性能 耐久性能 

分 类 号：U463.341.5[机械工程—车辆工程]