摘要:刮板输送机是煤矿开采的必备设备,由于井下工况恶劣,在实际使用中,其链轮磨损较为严重,导致失效。从刮板输送机工作机理、失稳形式、故障原因、材料特征等方面进行探讨。比较了40GrNiMoA材质的链轮及42GrMo材质的链轮,结果表明40GrNiMoA材质的链轮淬硬层深度较深,耐磨性能好,40GrNiMoA材质的链轮适用性强、寿命长。
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