| 于永伟,陆林文.18.4－38 12PR水田农业轮胎的设计[J].橡胶科技,2019,17(2):0106-0108. |
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| 18.4－38 12PR水田农业轮胎的设计 |
| Design of 18.4－38 12PR Paddy Field Agricultural Tire |
| 投稿时间：2017-08-29 修订日期：2017-08-29 |
| DOI：10.12137/j.issn.2095-5448.2019.02.0106 |
| 中文关键词: 水田农业轮胎 结构设计 施工设计 |
| 英文关键词: paddy field agricultural tire structure design construction design |
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| 中文摘要: |
| 介绍18.4－38 12PR水田农业轮胎的设计。结构设计：外直径 1 855 mm，断面宽 448 mm，行驶面宽度 480 mm，行驶面弧度高 31 mm，胎圈着合直径 970 mm，胎圈着合宽度 406.5 mm，断面水平轴位置（H1/H2） 0.583 2，花纹深度 90 mm，花纹饱和度 18.78%，花纹周节数 19。施工设计：胎面采用胎冠胶挤出双层缠绕，胎体采用6层1400dtex/2V1锦纶6浸胶帘布和2层1400dtex/2V2锦纶6浸胶帘布加强层；钢丝圈采用Φ0.96 mm的19#回火钢丝，采用胶囊反包成型机成型，2 235.2 mm（88英寸）单模硫化机硫化。成品轮胎试验结果表明，轮胎充气外缘尺寸和物理性能均符合设计和企业标准要求。 |
| 英文摘要: |
| The design of 18.4－38 12PR paddy field agricultural tire was described.In the structure design，the following parameters were taken：overall diameter 1 855 mm，cross-sectional width 448 mm，width of running surface 480 mm，height of running surface 31 mm，bead diameter at rim seat 970 mm，bead width at rim seat 406.5 mm，maximum width position of cross-section（H1/H2） 0.583 2，pattern depth 90 mm，block/total ratio 18.78%，pattern circular pitches 19.In the construction design，the following processes were taken：double-layer winding by crown extrusion for tread，6 layers of 1400dtex/2V1 nylon 6 dipped cord and 2 layers of 1400dtex/2V2 nylon 6 dipped cord for carcass，Φ0.96 mm 19# tempered steel wire for bead，using building machine with turning-up bladder to bulid tire，and 2 235.2 mm（88 inch） single-mode curing press to cure tire.It was confirmed by the test of finished tires that the inflated perpheral dimension and physical properties met the requirements of the design and enterprise standard. |
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