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| 12.00－20 20PR工业车辆轮胎的设计 |
| Design on 12.00－20 20PR Industrial Vehicle Tire |
| Received:September 16, 2017 Revised:September 16, 2017 |
| DOI：10.12135/j.issn.1006-8171.2019.02.0084 |
| 中文关键词: 工业车辆轮胎；结构设计；施工设计 |
| 英文关键词: industrial tire；structure design；construction design |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | CHEN Chuanhui* | Guizhou Tire Co.，Ltd | 706542886@qq.com | | YAO Maohua | Guizhou Tire Co.，Ltd | |
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| 中文摘要: |
| 介绍12.00－20 20PR工业车辆轮胎的设计。结构设计：外直径 1 118 mm，断面宽 278 mm，行驶面宽度 250 mm，行驶面弧度高 11 mm，胎圈着合直径 508 mm，胎圈着合宽度 216 mm，断面水平轴位置（H 1/H 2） 0.918 2，采用横向花纹，花纹深度 22 mm，花纹饱和度 78.5%，花纹周节数 36。施工设计：胎面采用三方四块结构，缓冲层采用2层1400dtex/2V3锦纶6浸胶帘布，胎体采用10层1400dtex/3锦纶6浸胶帘布（8V1＋2V2），采用胶囊反包成型机成型、蒸锅式双模硫化机硫化。成品性能试验结果表明，轮胎的外缘尺寸、物理性能和耐久性能达到设计和相关标准要求。 |
| 英文摘要: |
| The design on 12.00－20 20PR industrial vehicle tire was described.In the structure design，the following parameters were taken：overall diameter?1 118 mm，cross-sectional width?278 mm，width of running surface 250 mm，arc height of running surface 11 mm，bead diameter at rim seat?508 mm，bead width at rim seat?216 mm，maximum width position of cross–section（H 1/H 2）?0.918 2，using transverse tread pattern，pattern depth?22 mm，block/total ratio?78.5%，and number of pattern pitches?36.In the construction design，the following processes were taken：using three-formula and four-piece tread，2 layers of 1400dtex/2V3 dipped nylon 6 cord for breaker，10 layers of 1400dtex/3 dipped nylon 6 cord for carcass（8V＋2V2），using bladder ture-up building machine to build tire，and steamer type double mold curing press to cure tire．It was confirmed by the finished tire test that，the inflated peripheral dimension，physical properties and endurance met the requirements of design and relevant standards. |
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