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| 450×90KB×51农用橡胶履带的研制 |
| Development of 450×90KB×51 Agricultural Rubber Track |
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| DOI： |
| 中文关键词: 农用橡胶履带；轮侧胶；芯金；钢丝帘线；花纹 |
| 英文关键词: agricultural rubber track； inner rubber； metal core； steel cord； pattern |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | | Fang Zhourong | Yonggu Rubber Factory，Zhongce Rubber Group Co.，Ltd. |
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| 中文摘要: |
| 介绍450×90KB×51农用橡胶履带的研制。花纹侧胶、轮侧胶和钢丝胶分别采用天然橡胶/丁苯橡胶并用胶、复合橡胶/丁苯橡胶并用胶和复合橡胶；芯金采用45#锻钢，芯金负荷为机身质量的0.6倍，芯金宽度42 mm；钢丝帘线56根，直径2.0 mm，中心丝加粗至0.36 mm，表面为铜/锌镀层；花纹采用宽度45 mm、高度35 mm、长短花块相间的Z型花纹。450×90KB×51农用橡胶履带的花纹侧胶和轮侧胶物理性能、芯金负荷和钢丝帘线破断力达到或超过GB/T 20786—2006要求，橡胶与钢丝帘线粘合性能较好，产品质量完全满足使用要求。 |
| 英文摘要: |
| This paper introduced the development of 450×90KB×51 agricultural rubber track.The outer compound，inner compound and steel cord compound were NR/SBR blend，composite rubber/SBR blend and composite rubber，respectively.45#forged steel was selected for metal core which was designed to have a load capacity of 0.6 time of the frame and the width of the metal core was 42 mm.The number of steel cord was 56 and the cords were coated by copper/zinc coating.The diameter of steel cord was 2.0 mm except for the middle cord which had a diameter larger by 0.36 mm.Z-pattern was applied in tire tread with a width of 45 mm and height of 35 mm.The experimental test results showed that the physical properties of the compounds，load capacity of the metal core，the strength of the steel cords reached or exceeded the requirements in national standard，GB/T 20786—2006.It was confirmed that the adhesion between rubber compound and steel cords was good，and the product quality fully met the application requirements. |
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