液压支架关键零部件材料性能分析及工艺研究

摘要

For the problem of plastic deformation, fatigue, prop invalidation of powered support caused by impact load and under-ground severe environment, by analyzing material properties of powered support’ s key components, it was put forward that material quality consistency, mechanical and anticorrosive property and processing technique would influence powered support’ s reliability and life.TMCP technology was applied to improving material quality stability, laser cladding and stainless steel caldding technology was ap-plied to improving prop surface anticorrosive, and scraping barreling technique was applied to improving components’ machining preci-sion and efficiency.The improvement of material quality and upgrading machining technique would effectively enhance product quality, largely improve equipment manufacturing level and market competitiveness.%针对液压支架在井下承受冲击、腐蚀等恶劣环境条件，造成塑性变形、疲劳、立柱失效的问题，对液压支架关键元部件材料进行性能分析，提出材料质量一致性、机械及抗腐蚀性能，以及加工工艺对液压支架可靠性和寿命的影响；通过TMCP （ Thermo－Mechanical Control Process）技术提升材料质量稳定性，采用激光熔覆和不锈钢包覆技术提高立柱表面耐腐蚀性，采用刮削滚光工艺提高零件加工精度和效率。材料性能及加工工艺的升级将有效提升产品品质，大幅提高我国装备制造水平，提升产品的市场竞争力。