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| 255/45R19 104W半钢轿车子午线轮胎的设计 |
| Design of 255/45R19 104W Steel-belted Passenger Car Radial Tire |
| Received:December 26, 2024 Revised:December 26, 2024 |
| DOI： |
| 中文关键词: 半钢轿车子午线轮胎；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: steel-belted passenger car radial tire；structure design；construction design；finished tire perormance |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | TIAN Weijuan* | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | tianweijuan000@163.com | | DU Shuai | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | ZHAO Yibin | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | LEI Taiwei | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | WANG Nuan | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | SONG Qian | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | YAO Na | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | | | ZHANG Weining | Shaanxi Yanchang Petroleum Group Rubber Co. ，Ltd | |
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| 中文摘要: |
| 介绍255/45R19 104W半钢轿车子午线轮胎的设计。结构设计：外直径 706 mm，断面宽 270 mm，行驶面宽度 210 mm，行驶面弧度高 8.215 mm，胎圈着合直径 486.2 mm，胎圈着合宽度 241.4 mm，断面水平轴位置（H1/H2） 0.948 6，胎面采用纵向花纹、变节距设计，花纹深度 8 mm，花纹饱和度为74.5%，花纹周节数为80。施工设计：胎面胶采用耐磨及抗撕裂胶料配方，基部胶采用低生热配方，胎体采用2层聚酯帘布，带束层采用2层3×0.3HTT SA075钢丝帘线，钢丝圈采用Ф1.30 mm镀铜回火胎圈钢丝，采用一次法成型机成型、液压硫化机硫化。成品轮胎性能测试结果显示：轮胎的外缘尺寸、强度性能、耐久性能、高速性能和脱圈阻力均达到相关设计和标准要求。 |
| 英文摘要: |
| The design of 255/45R19 104W Steel-belted passenger car radial tire was described.In the structure design，the following parameters were taken：overall diameter 706 mm，cross–sectional width 270 mm，width of running surface 210 mm，arc height of running surface 8.215 mm，bead diameter at rim seat 486.2 mm，bead width at rim seat 241.4 mm，maximum width position of cross–section（H1/H2）0.948 6，adopting a longitudinal tread pattern with variable pitch design，and pattern depth 8 mm，block/total 74.5%，and number of pattern pitches 80.In the construction design，the following processes were taken：the tread compound used wear-resistant and tear-resistant compound formula，and the base compound adopted a low heat build-up compound formula，using two layers of polyester cord fabric for carcass，using two layers of 3×0.3HTT SA075 steel cord for belt，using Φ1.30 mm copper-plated tempered bead wires for ring，using single-stage building machine to build tires，and using hydraulic vulcanizing press to cure tires.The finished tire performance test results showed that the inflated peripheral dimensions，strength，durability，high-speed performance and bead unseating resistance of tire all met the requirements of national standards and design specifications. |
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