煤矿开采
煤礦開採
매광개채
COAL MINING TECHNOLOGY
2015年
4期
1-4,31
,共5页
液压支架失效%材料质量稳定性%高性能钢板%激光熔覆%刮削滚光
液壓支架失效%材料質量穩定性%高性能鋼闆%激光鎔覆%颳削滾光
액압지가실효%재료질량은정성%고성능강판%격광용복%괄삭곤광
powered support invalidation%material quality stability%high-performance steel plate%laser cladding%scraping barreling
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。
針對液壓支架在井下承受遲擊、腐蝕等噁劣環境條件，造成塑性變形、疲勞、立柱失效的問題，對液壓支架關鍵元部件材料進行性能分析，提齣材料質量一緻性、機械及抗腐蝕性能，以及加工工藝對液壓支架可靠性和壽命的影響；通過TMCP （ Thermo－Mechanical Control Process）技術提升材料質量穩定性，採用激光鎔覆和不鏽鋼包覆技術提高立柱錶麵耐腐蝕性，採用颳削滾光工藝提高零件加工精度和效率。材料性能及加工工藝的升級將有效提升產品品質，大幅提高我國裝備製造水平，提升產品的市場競爭力。
침대액압지가재정하승수충격、부식등악렬배경조건，조성소성변형、피로、립주실효적문제，대액압지가관건원부건재료진행성능분석，제출재료질량일치성、궤계급항부식성능，이급가공공예대액압지가가고성화수명적영향；통과TMCP （ Thermo－Mechanical Control Process）기술제승재료질량은정성，채용격광용복화불수강포복기술제고립주표면내부식성，채용괄삭곤광공예제고령건가공정도화효솔。재료성능급가공공예적승급장유효제승산품품질，대폭제고아국장비제조수평，제승산품적시장경쟁력。
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.
