| 王洁.龙门吊用21.00-25 40PR无内胎工程机械轮胎的设计[J].轮胎工业,2013,33(10):590-594 |
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| 龙门吊用21.00-25 40PR无内胎工程机械轮胎的设计 |
| Design of 21.00-25 40PR Tubeless Off-the-road Tire for Gantry Crane |
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| DOI： |
| 中文关键词: 工程机械轮胎 无内胎轮胎 结构设计 施工设计 |
| 英文关键词: off-the-road tire tubeless tire structure design construction design |
| 基金项目: |
| 中图分类号:U463.341＋.5；TQ336.1＋4 |
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| 中文摘要: |
| 介绍龙门吊用21.00-25 40PR无内胎工程机械轮胎的设计。结构设计：外直径 1 758 mm,断面宽 520 mm，行驶面宽度 500 mm,行驶面弧度高 50 mm,胎圈着合直径 630 mm,胎圈着合宽度 380 mm,断面水平轴位置(H1/H2) 0.867 5，胎面采用八角花纹形式，花纹饱和度 78%，花纹深度 45 mm，花纹周节数 30。施工设计：胎面采用3种配方(胎面上层胶、基部胶和胎侧胶)，胎体帘布采用21层2100dtex/2V1锦纶66帘布，缓冲层采用2层930dtex/2V3锦纶66帘布，胎圈采用三钢丝圈结构，采用LCX-5型半芯轮式成型机成型、Φ2.5 m硫化罐硫化。成品轮胎室内试验结果表明，轮胎充气外缘尺寸、物理性能和TKPH额定值均达到相应设计和国家标准要求。 |
| 英文摘要: |
| The design of 21.00-25 40PR tubeless off-the-road tire for gantry crane was described.In the structure design,the following parameters were taken:overall diameter 1 758 mm,cross-sectional width 520 mm,width of running surface 500 mm,arc height of running surface 50 mm,bead diameter at rim seat 630 mm,bead width at rim seat 380 mm,maximum width position of cross section(H1/H2) 0.867 5,and using octagonal tread patterns，block/total ratio 78%，pattern depth 45 mm,pattern pitch number 30.In the construction design,the following processes were taken：three-formula tread (upper，base tread and sidewall compound),21 layers of 2100dtex/2V1 nylon 66 cord for carcass ply，2 layers of 930dtex/2V3 nylon 66 cord for breaker ply,three bead coils for bead,using LCX-5 type semi-flat building machine to build tires，and using Φ2.5 m autoclave to cure tires.It was confirmed by the test of finished tires that the peripheral dimension，physical property and TKPH rated value met the requirements of corresponding design and national standard. |
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