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Centrally-driven ball mill adopts large-sized double-row self-aligning roller bearing instead of babbitt alloy bearing with lubrication. After technical improvement，bearing service life becomes longer, sealing becomes better, convenient disassembly and cleaning, and equipped with manual timing refuel, bearing is in good lubrication condition, is much simple and reliable than sliding bearing lubrication system. Considering the production load, the bearing is large size bearing, its capacity is much higher than ball mill at full load condition, so under normal circumstances, bearing service life is longer than mill equipment. Double-row self-aligning roller bearing reduces the friction resistance and static resistance, more over, with the hydraulic coupling and gear wheel accelerator, power consumption fell by 10.7% - 40.5% than conventional grinding machine, energy saving effect is remarkable. Only with energy-saving , within two or three years you can recover ball mill input costs.
Bearing adopts oil lubrication system, thus help bearing internal dirt cleaning and reduce the bearing attrition during normal operation. Bailing ball mill reduces replacement frequency of easily damaged parts at the most extent. lining plates,steel balls are made of high chrome steel,which is very wear-resistiing and durable, brings a lot of advantages for ball mill’s maintenacne and working.
1. Centrally-driven, without gearwheels, motor、reducer and drum are on the same axis.
2. Large-sized double-row self-aligning roller bearing, between hollow shaft and main bearing is rolling friction, energy saving;
3. Hydraulic clutch;
4. High transmission efficiency without gearwheels, thus reduces production cost. Equipped motor power is smaller, power consumption fell by 10.7% - 40.5% than conventional grinding machine.
5. Smooth operation, very reliable
6. Bearing is large size bearing, its capacity is much higher than ball mill at full load condition.
7. Under normal circumstances, bearing service life is longer than mill equipment.