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| 全路面起重机用385/95R25工程机械子午线轮胎的开发 |
| Development of 385/95R25 Off-The-Road Radial Tire for All Terrain Crane |
| Received:October 13, 2021 Revised:October 13, 2021 |
| DOI：10.12135/j.issn.1006-8171.2022.08.0460 |
| 中文关键词: 全路面起重机；工程机械子午线轮胎；结构设计；施工设计；耐久性能 |
| 英文关键词: all terrain crane；off-the-road radial tire；structure design；construction design；durability |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | YIN Haijian | Techking(Qingdao) Special Tire Technology Research and Development Co.，Ltd | happybj2000@qq.com | | ZHAO Jun | Techking(Qingdao) Special Tire Technology Research and Development Co.，Ltd | | | SUN Xilin | Techking(Qingdao) Special Tire Technology Research and Development Co.，Ltd | | | XIA Xiaokun | Techking(Qingdao) Special Tire Technology Research and Development Co.，Ltd | | | WANG Chuanzhu* | Techking(Qingdao) Special Tire Technology Research and Development Co.，Ltd | |
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| 中文摘要: |
| 介绍全路面起重机用385/95R25工程机械子午线轮胎的开发。结构设计：外直径 1 363 mm，断面宽 385 mm，行驶面宽度 310 mm，行驶面弧度高 11 mm，胎圈着合直径 630 mm，胎圈着合宽度 280 mm，断面水平轴位置（ H/1/H/2） 0.97，采用4条纵沟胎面花纹，胎冠中央为块状花纹，花纹深度 22 mm，花纹饱和度 66.2%，花纹周节数 54。施工设计：胎面由胎面胶和基部胶组成，3层带束层均采用3＋9＋15×0.22＋0.15NT钢丝帘线，胎体采用3＋9＋15×0.22＋0.15NT钢丝帘线，采用一次法成型机成型、单模蒸锅式硫化机硫化。成品性能试验结果表明，轮胎的充气外缘尺寸达到国家标准要求，耐久性能达到企业标准要求。 |
| 英文摘要: |
| The development of 385/95R25 off-the-road radial tire for all terrain crane was described.In the structure design，the following parameters were taken：overall diameter 1 363 mm，cross-sectional width?385 mm，width of running surface 310 mm，arc height of running surface 11 mm，bead diameter at rim seat?630 mm，bead width at rim seat?280 mm，maximum width position of cross–section（ H/1/H/2）?0.97，using 4 longitudinal grooves tread pattern，and the center of the crown used block patterns，pattern depth?22 mm，block/total ratio?66.2%，and number of pattern pitches?54.In the construction design，the following processes were taken：the tread was composed of tread compound and base compound，3＋9＋15×0.22＋0.15NT steel cord for 3 layers of belts，and 3＋9＋15×0.22＋0.15NT steel cord for carcass，using one stage building machine to build tire，single mold steamer type vulcanizing press to cure tire.The test results of finished tire showed that，the inflated peripheral dimention met the requirements of national standard，and the durability met the requirements of enterprise standards. |
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