315/70R22.5 NHS小型轮式挖掘机全钢工程机械子午线轮胎的设计  

Design of 315/70R22.5 NHS All-steel Off-The-Road Radial Tire for Small Wheel Excavator

作　　者：裴权华[1] 王晓娟 王若飞[1] 周亚兵 PEI Quanhua;WANG Xiaojuan;WANG Ruofei;ZHOU Yabing(Aeolus Tyre Co.,Ltd,Jiaozuo 454003,China)

机构地区：[1]风神轮胎股份有限公司,河南焦作454003

出　　处：《轮胎工业》2022年第8期464-467,共4页Tire Industry

摘　　要：介绍315/70R22.5 NHS 22PR小型轮式挖掘机全钢工程机械子午线轮胎的设计。结构设计:外直径1023 mm,断面宽315 mm,行驶面宽度310 mm,行驶面弧度高9 mm,胎圈着合直径570.5 mm,胎圈着合宽度247 mm,断面水平轴位置(H_(1)/H_(2))0.87,胎面采用牵引型有向花纹,花纹深度21 mm,花纹周节数27,花纹饱和度45%。施工设计:胎体采用3+8×0.21ST钢丝帘线,带束层采用3+8×0.33HT钢丝帘线,胎面胶采用高耐磨性能专用配方,采用两鼓一次法成型机成型,采用B型双模硫化机硫化。成品轮胎性能试验结果表明,轮胎的充气外缘尺寸、物理性能和耐久性能均达到相应设计和国家标准要求。The design of the 315/70R22.5 NHS 22PR all-steel off-the-road radial tire for small wheel excavator was introduced.In the structural design,the following parameters were taken:overall diameter 1023 mm,cross-section width 315 mm,width of running surface 310 mm,arc height of running surface 9 mm,bead diameter at rim seat 570.5 mm,bead width at rim seat 247 mm,maximum width position of cross section(H_(1)/H_(2))0.87,using traction oriented pattern,pattern depth 21 mm,number of pattern pitches 27,and block/total ratio 45%.In the construction design,the following processes were taken:using 3+8×0.21ST steel cord for the carcass,3+8×0.33HT steel cords for the belt,special high wear resistant compound for the tread,using two-drum one-stage building machine to build tires and B type dual-mode curing press to cure tires.The test results of the finished tire showed that the inflation peripheral dimension,physical properties and durability of the tire met the requirements of the corresponding design and national standards.

关 键 词：小型轮式挖掘机 全钢工程机械子午线轮胎 牵引型有向花纹 结构设计 施工设计 

分 类 号：TQ336.1[化学工程—橡胶工业] U463.341.6[机械工程—车辆工程]