This paper discusses different drive gear failures in coal mining equipment featuring high power, low speed, heavy-duty and small dimension, and proposes measures against them.
Four Bearing Outboard Direct Drive Coupled Design? HeavyDutyDrive Coupling Assembly? Polyurethane Paint Finish? Heavy Gauge Steel Construction? Backward Curve Impellers.
四轴承外部直接驱动设计？重型，耦合驱动安装？聚氨酯漆处理？重型钢结构？反向驱动叶轮。
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Collapsible Coiler - Rotates on Large Ball Bearings? Power Drive Assembly or Hand Operated? Large HeavyDuty Casters? Floor Lock Brakes? Guide ring? Tool and Tag Tray.