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| 385/55R22.5低滚动阻力、低噪声宽基全钢载重子午线轮胎的设计 |
| Design on 385/55R22.5 Wide Base Truck and Bus Radial Tire with Low Rolling Resistance and Low Noise |
| Received:October 11, 2018 Revised:October 11, 2018 |
| DOI：10.12135/j.issn.1006-8171.2019.08.0470 |
| 中文关键词: 宽基全钢载重子午线轮胎；低滚动阻力；低噪声；结构设计；施工设计 |
| 英文关键词: wide base truck and bus radial tire；low rolling resitance；low noise；structure design；construction design |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | Zhang Zhiqiang* | Ningxia Shenzhou Tyre Co., Ltd. | 1697563334@qq.com |
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| 中文摘要: |
| 介绍385/55R22.5低滚动阻力、低噪声宽基全钢载重子午线轮胎的设计。结构设计：外直径 994 mm，断面宽 390 mm，行驶面宽度 320 mm，行驶面弧度高 9 mm，胎圈着合直径 569.5 mm，胎圈着合宽度 390 mm，断面水平轴位置（H1/H2） 0.96，胎面采用5条纵向花纹沟槽设计，花纹深度 14.5 mm，花纹周节数 45，花纹饱和度 74%。施工设计：带束层结构为3层带束层加2层0#带束层，1#和2#带束层采用3×0.20＋6×0.35HT钢丝帘线，3#带束层采用5×0.35HE钢丝帘线，0°带束层采用3×7×0.20HE钢丝帘线，胎体采用3＋9×0.22＋0.15HT钢丝帘线。胎面胶采用溶聚丁苯橡胶、白炭黑分散剂和白炭黑活性剂等新材料。采用三鼓成型机成型，蒸锅式双模硫化机硫化。成品性能试验结果表明：成品轮胎的充气外缘尺寸、强度性能、耐久性能，滚动阻力和噪声均达到相应国家和企业标准要求。 |
| 英文摘要: |
| The design on 385/55R22.5 wide base truck and bus radial tire with low rolling resitance and low noise was described.In the structure design，the following parameters were taken：overall diameter 994 mm，cross-sectional width 390 mm，width of running surface 320 mm，arc height of running surface 9 mm，bead diameter at rim seat 569.5 mm，bead width at rim seat 390 mm，maximum width position of cross-section（H1/H2） 0.96，five longitudinal grooves as the main tread pattern，pattern depth 14.5 mm，number of pattern pitches 45，and block/total ratio 74%.In the construction design，the following processes were taken：three belts and two 0# belts for belt ply，3×0.20＋6×0.35HT steel cord for 1# and 2# belts，5×0.35HE steel cord for 3# belt，3×7×0.20HE steel cord for 0° belt，3＋9×0.22＋0.15HT steel cord for carcass ply.SSBR，silica dispersant and silica activator，etc were used in tread compound.Using three drum building machine to build tire and steamer type double mold press to cure tire.It was confirmed by the tests of the finished tire that，the inflated peripheral dimension，strength，endurance，rolling resitance and noise met the requirements of corresonding standards. |
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