Technical Parameter
1、 Main technical performance
1. Specification: φ 5.5 × 2.5m
2. Production capacity: determined by process conditions
3. Grinding machine speed: 14.36 ± 0.15r/min
4. Maximum steel ball loading capacity: 19t
5. Slow speed of grinder: 0.1r/min
6. Main motor: Xiangtan Motor
Model: YRKK560-6 Power: 1250kW Speed: 991r/min
Voltage: 10KV dual axis extension (imported bearings)
7. Main reducer: Nanjing High Precision Gearbox Factory
Transmission power: 1250kW Speed ratio: 7.658
8. Slow drive device voltage: 380V
9. Main bearing cooling water consumption: 2 × 5m3/h
10. Main bearing lubrication: thin oil station (GDR-63)
(1) Low voltage system
Flow rate: 63L/min Oil supply pressure: 0.4MPa
Pump model: CB-B63 Oil supply temperature: 40 ± 3 ℃
electric machinery: Y112M-6 B35 4kW
(2) High voltage system
Pump model: 2.5MCY14-1B Flow rate: 5L/min
Oil supply pressure: 32Mpa Motor: Y112M-64kW
(3) Other performance
Fuel tank capacity: 1m3 Filtration accuracy: 0.08mm Filtration area: 0.19m2
Cooling area: 5m2
Cooling water consumption: 3.6m3/h
Heater power: 3kW × 3
Working medium: N22-N320
11. Big gear lubrication: spray lubrication GPZ-Z (with air compressor)
12. High voltage starter cabinet, hydraulic resistance cabinet, hydraulic station, oil station control cabinet, PLC control
13. Weight of equipment body: 230t (excluding loading capacity of grinding material)
2、 Scope of Supply
（1） Rotating part
1. Cylinder Q345-B δ=40mm piece
2. Hollow shaft and connecting flange ZG270-5002 sets
3. 1 large gear ring ZG42CrMo
4. One set of ZGMn13-4/LoMo alloy cylinder lining plate
5. 1 set of lining plate bolts
（2） Main bearing section
1. Bearing shell lining ChPbSb16-16-02 tile body HT3002 pieces
2. Two sets of bearing seat assemblies (seat ZG230-450)
3. GDR-631 set of thin oil station
（3） Transmission device part
Small gear device:
1. Small gear 37SiMn2MOV1 piece
2. 40r1 small gear shaft
3. 1 set of bearing seat assembly
transmission:
1. Main motor YRKK560-6 1250KW 10KV (rolling bearing) 1 set
2. 1 slow drive device
3. Main reducer i=7.6581 units
4. 1 set of helical clutch assembly
5. 1 set of transmission device base assembly
（4） 1 set of large gear cover assembly
（5） 1 set of feeding device assembly
（6） 1 set of discharge screen assembly
（7） Big gear lubrication: spray lubrication GPZ-Z (with air compressor) 1 set
（8） 1 set of hydraulic lifting device (2 brackets, jack)
（9） 1 set of anchor bolts, pad iron, etc
（10） High voltage starter cabinet, hydraulic resistance cabinet, hydraulic station, oil station control cabinet
1 set of PLC control
