装载机铲斗主切削刃耐磨性能分析及改进
Equipment Manufacturing Technology（2021）
Abstract
针对装载机铲斗主切削刃不耐磨问题,分析其组织性能、磨损方式和工况适应性.通过替换新耐磨材料以及优化热处理工艺,提高其淬透性及晶粒度,从而提高了心部硬度以及冲击韧性.工况试验对比表明,新材料在沙石工况和锰矿工况刀板的使用寿命分别提升了60％和87％.
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