贾景波.385/55R22.5无内胎全钢载重子午线轮胎的轻量化设计[J].橡胶科技,2019,17(3):0151-0154. |
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385/55R22.5无内胎全钢载重子午线轮胎的轻量化设计 |
Lightweight Design of 385/55R22.5 Tubeless All-steel Truck and Bus Radial Tire |
投稿时间:2018-07-27 修订日期:2018-07-27 |
DOI:10.12137/j.issn.2095-5448.2019.03.0151 |
中文关键词: 轻量化 全钢载重子午线轮胎 结构设计 施工设计 |
英文关键词: lightweight all-steel truck and bus radial tire structure design construction design |
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中文摘要: |
介绍385/55R22.5无内胎全钢载重子午线轮胎的轻量化设计。结构设计:外直径?996 mm,断面宽?386 mm,胎圈着合直径?571.5 mm,胎圈着合宽度?336 mm,断面水平轴位置(H1/H2)?0.93,行驶面弧度高?9.5 mm,行驶面宽度?325 mm,胎面花纹采用5道纵向条形花纹沟和斜向花纹槽设计。施工设计:胎冠采用双复合挤出,胎体采用3×0.24/9×0.225CCST钢丝帘线,带束层采用4层带束层结构,1#带束层采用3+8×0.33ST钢丝帘线,2#和3#带束层采用3×0.20+6×0.35HT钢丝帘线,4#带束层采用5×0.35HI钢丝帘线,成型采用一次法成型机成型,硫化采用蒸锅式双模硫化机。轻量化设计轮胎质量减小3.12 kg,成品轮胎充气外缘尺寸、强度性能和耐久性能均满足设计要求。 |
英文摘要: |
Lightweight design of 385/55R22.5 tubeless all-steel truck and bus radial tire was Introduced.In structure design,the following parameters were taken:overall diameter?996 mm,cross-sectional width?386 mm,bead diameter at rim seat?571.5 mm,bead width at rim seat?336 mm,maximum width position of cross-section(H1/H2)?0.93,arc height of running surface?9.5 mm,width of running surface?325 mm,and the tread pattern was designed with 5 longitudinal strip grooves and diagonal grooves.In construction design,the following processes were taken:double composite extrusion for crown,3×0.24/9×0.225CCST steel cord for carcass ply,using four-layer belts,3+8×0.33ST steel cord for 1# belt,3×0.20+6×0.35HT steel cord for 2# and 3# belt,5×0.35HI steel cord for 4# belt,using one-stage building machine to build tire and steamer double-mold press to cure tire.The weight of tire was reduced by 3.12 kg,and the inflated peripheral dimension,strength and endurance performance of the finished tire met the design requirements. |
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