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| 380/85R28农业子午线轮胎的设计 |
| Design on 380/85R28 Agricultural Radial Tire |
| Received:November 12, 2021 Revised:November 12, 2021 |
| DOI：10.12135/j.issn.1006-8171.2022.10.0591 |
| 中文关键词: 农业子午线轮胎；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: agricultural radial tire；sturcture design；construction design；finished tire performance |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | ZHANG Zhenhao* | 青岛橡建工业工程有限公司 | 354122198@qq.com | | QU Jian | 青岛橡建工业工程有限公司 | | | LI Qiang | 青岛橡建工业工程有限公司 | |
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| 中文摘要: |
| 介绍380/85R28农业子午线轮胎的设计。设计结构：外直径 1 341.6 mm，断面宽 370 mm，行驶面宽度 335.5 mm，行驶面弧度高 17.78 mm，胎圈着合直径 711.63 mm，胎圈着合宽度 317.5 mm，断面水平轴位置（H1/H2） 0.721，采用R-1W型人字形花纹，花纹深度 45 mm，花纹饱和度 22.27%，花纹周节数 20。施工设计：胎体采用2层厚度为1.35 mm的1100dtex/2 V1锦纶帘布，带束层使用4层厚度为1.2 mm的1670dtex/2 E2聚酯帘布，采用二次法成型机成型。成品轮胎的充气外缘尺寸和性能满足国家标准及设计要求。 |
| 英文摘要: |
| The design on 380/85R28 agricultural radial tire was introduced.In the structure design，the following parameters were taken：overall diameter 1 341.6 mm，cross-sectional width 370 mm，width of running surface 335.5 mm，arc height of running surface 17.78 mm，bead diameter at rim seat 711.63 mm，bead width at rim seat 317.5 mm，and maximum width position of cross-section（H1/H2） 0.721，using R-1W chevron pattern，pattern depth 45 mm，block/total ratio 22.27%，and number of pattern pitches 20.In the construction design，the following processes were taken：the carcass adopted 2 layers of 2100dtex/2 V1 nylon66 cord with the thickness of 1.35 mm thickness，the belt adopted 4 layers of 1670dtex/2 E2 polyester cord with the thickness of 1.2 mm，and tire building adopted the two-stage building machine.The test results of the finished tire showed that the inflated peripheral dimension and properties met the national standard and design requirements. |
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