| 贾景波.轻量化12R22.5无内胎全钢载重子午线轮胎的设计[J].轮胎工业,2019,39(9):0532-0535 |
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| 轻量化12R22.5无内胎全钢载重子午线轮胎的设计 |
| Design on Lightweight 12.00R22.5 Tubeless Truck and Bus Radial Tire |
| 投稿时间：2018-06-23 修订日期：2018-06-23 |
| DOI：10.12135/j.issn.1006-8171.2019.10.0532 |
| 中文关键词: 全钢载重子午线轮胎 无内胎轮胎 轻量化 结构设计 施工设计 |
| 英文关键词: lightweight tubeless tires all-steel radial truck tires structural design construction design |
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| 中文摘要: |
| 介绍轻量化12R22.5无内胎全钢载重子午线轮胎的设计。结构设计：外直径 1 073 mm，断面宽 295 mm，行驶面宽度 218 mm，行驶面弧度高 4.5 mm，胎圈着合直径 568.5 mm，胎圈着合宽度 248 mm，断面水平轴位置（H1/H2） 1.13，胎面采用3条折线形主花纹沟和局部小刀槽花纹，花纹深度 16.5 mm，花纹饱和度 71%，花纹周节数 66。施工设计：采用双复合挤出胎面，采用4层带束层结构，1# 带束层采用0.37＋6×0.32ST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，胎体采用3×0.24/9×0.225CCST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、耐久性能和胎圈耐久性能等达到相应设计和标准要求。 |
| 英文摘要: |
| The design on lightweight 12.00R22.5 tubeless truck and bus radial tire was described.In the structure design，the following parameters were taken：overall diameter?1 073 mm，cross-sectional width?295 mm，width of running surface 218 mm，arc height of running surface 4.5 mm，bead diameter at rim seat?568.5 mm，bead width at rim seat?248 mm，maximum width position of cross–section（H1/H2）?1.13，using three zigzag main pattern grooves and local siping，pattern depth?16.5 mm，block/total ratio?71%，and number of pattern pitches?66. In the construction design，the following processes were taken：using coextruded tread，four layers belt structure，0.37＋6×0.32ST 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，3×0.24/9×0.225CCST steel cord for carcass，using one-stage building machine to build tire，and double mold press to cure tire．It was confirmed by the finished tire test that，the inflated peripheral dimension，strength，endurance and bead endurance met the requirements of relative design and standards. |
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