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| 12.00—20（8.5）MK330高性能充气轮胎轮辋实心轮胎的设计 |
| Design of 12.00－20（8.5）MK330 High Performance Solid Tire for Pneumatic Tire Rim |
| Received:May 03, 2024 Revised:May 10, 2024 |
| DOI： |
| 中文关键词: 关键词：充气轮辋式实心轮胎；结构设计；施工设计 |
| 英文关键词: solid tire for pneumatic tire rim；structure design；construction design |
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| 中文摘要: |
| 介绍12.00－20（8.5）MK330高性能充气轮胎轮辋实心轮胎的设计。结构设计：外直径 1 093 mm，断面宽 284 mm，行驶面宽度 254 mm，行驶面弧度高 13 mm，胎圈着合直径 502 mm，胎圈着合宽度 225 mm，断面水平轴位置（H1/H2） 0.833，胎面采用窄花纹沟、横向无方向性大花纹块，花纹深度 29 mm，花纹饱和度 71.2%，花纹周节数 24。施工设计：胎体采用三段式分层结构，4个钢丝圈内直径为 528 mm，成型机头直径为 500 mm，成型机头宽度为 400 mm，采用电磁加热平板式硫化机硫化。成品性能试验结果表明，轮胎的外缘尺寸、静负荷性能、耐久性能和物理性能达到相关设计和国家标准要求。 |
| 英文摘要: |
| The design of 12.00－20（8.5） MK330 high performance solid tire for pneumatic tire rim was introduced.In the structure design，the following parameters were taken：overall diameter 1 093 mm，cross-section width 284 mm，width of running surface 254 mm，arc height of running surface 13 mm，bead diameter at rim seat 502 mm，bead width at rim seat 225 mm，maximum width position of cross-section（H1/H2） 0.833，adopting narrow grooves and large pattern blocks with no directionality in the horizontal direction，pattern depth 29 mm，block total ratio 71.2%，and number of pattern pitches 24.In the construction design，the following processes were taken：adopting a three-stage layered structure for carcass，the diameters of four steel wire rings were 528 mm，the diameter of the forming head was 500 mm，and the width of the forming head was 400 mm using the electromagnetic heating flat plate press to cure tires.The finished tire performance test results showed that，peripheral dimensions，static load performance，durability and the physical properties met the requirements of relative design and national standards. |
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