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| 23.5-25超加深花纹工程机械轮胎的设计 |
| Design of 23.5-25 OTR tire with super deep tread patterns |
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| DOI： |
| 中文关键词: 无内胎工程机械轮胎；超加深花纹；结构设计；施工设计 |
| 英文关键词: tubeless OTR tire;super deep tread patterns;structure design;construction design |
| 基金项目: |
| 中图分类号:U463.341+.5；TQ336.1+4 |
| Author Name | Affiliation | | ZHANG Zhaohong | Xuzhou Xugong Tire Co., Ltd |
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| 中文摘要: |
| 介绍23.5-25 20PR超加深花纹无内胎工程机械轮胎的设计情况。结构设计：轮胎外直径 1 672 mm，轮胎断面宽 530 mm，胎圈着合宽度 495 mm（与轮辋过盈配合），行驶面宽度 480 mm，胎肩切线与地面垂线夹角 12°，花纹深度为78.5 mm、饱和度为70.25%；施工设计：采用卸鼓肩式成型机头，胎面采用三方九块缠绕方法成型，胎体帘布采用10层1870dtex/2锦纶帘布，缓冲层采用4层930dtex/2V3锦纶帘布，胎圈采用12×13双钢丝圈结构。成品轮胎室内试验表明轮胎充气外缘尺寸符合TRA标准和设计要求，且性能良好。 |
| 英文摘要: |
| A design of 23.5-25 20PR tubeless OTR tire with super deep tread patterns is described.In structure design,the following parameters are taken:overall diameter 1 672 mm,cross-sectional width 530 mm,bead width at rim seat 495 mm (interference fit to rim),width of running surface 480 mm,angle between tangent to shoulder and normal to ground 12°,pattern depth 78.5 mm,block/groove ratio 70.25%;in construction design,the following processes are taken:dismountable shoulder for building drum,three formulas and nine pieces winding process for tread application,10 layers 1870dtex/2 nylon cord for carcass ply,4 layers 930dtex/2V3 nylon cord for breaker ply,and 12×13 double bead wire ring for bead structure.It is confirmed by the in-door test of finished tire that the overall diameter of inflated tire meets the requirements of the TRA standard and the design,and the performance of test tire is very good. |
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