Product Details

Product Description

Overfall type mill is a kind of ball mill, is the most common used grinding mill for ore processing. It is mainly composed of shell, end cap, main bearing, central hollow shaft, transmission gear and feeder etc. The shell is made of 15-36mm weld steel plate. There are cast steel flange plates welded on the bottom and end of the shell. The flange and the end cap 2 & 3 are connected with screws. As the hollow shaft which bears the grinding mill weight is welded on the end cap, the two parts have to be Precision Machining and fit.

Applications: Overfall type mill is a kind of ball mill, is the most common grinding mill for ore processing

Technical Data:

Model	Shell rotation speed (r/min)	Ball load (t)	Feeding size (mm)	Discharging size (mm)	Capacity	Motor power (kw)	Weight (t)
Φ900*1800	36-38	1.5	≤20	0.075-0.89	0.65-2	18.5	5.5
Φ900*3000	36	2.7	≤20	0.075-0.89	1.1-3.5	22	6.7
Φ1200*2400	36	3	≤25	0.075-0.6	1.5-4.8	30	12
Φ1200*3000	36	3.5	≤25	0.074-0.4	1.6-5	37	12.8
Φ1200*4500	32.4	5	≤25	0.074-0.4	1.6-5.8	55	13.8
Φ1500*3000	29.7	7.5	≤25	0.074-0.4	2-5	75	16.8
Φ1500*4500	27	11	≤25	0.074-0.4	3-6	110	21
Φ1500*5700	28	12	≤25	0.074-0.4	3.5-6	130	25.8
Φ1830*3000	25.4	11	≤25	0.074-0.4	4-10	130	29
Φ1830*4500	25.4	15	≤25	0.074-0.4	4.5-12	155	35.5
Φ1830*6400	24.1	21	≤25	0.074-0.4	6.5-15	210	43
Φ1830*7000	24.1	23	≤25	0.074-0.4	7.5-17	245	43.8
Φ2100*3000	23.7	15	≤25	0.074-0.4	6.5-36	155	34.8
Φ2100*4500	23.7	24	≤25	0.074-0.4	8-43	245	42
Φ2100*7000	23.7	26	≤25	0.074-0.4	8-48	280	56.6
Φ2200*4500	21.5	27	≤25	0.074-0.4	9-45	280	51.8
Φ2200*6500	21.7	35	≤25	0.074-0.4	14-26	380	60
Φ2200*7000	21.7	35	≤25	0.074-0.4	15-28	380	62
Φ2200*7500	21.7	35	≤25	0.074-0.4	15-30	380	64.8
Φ2400*3000	21	23	≤25	0.074-0.4	7-50	245	58
Φ2400*4500	21	30	≤25	0.074-0.4	8.5-60	320	69
Φ2700*4000	20.7	40	≤25	0.074-0.4	12-80	380	94
Φ2700*4500	20.7	48	≤25	0.074-0.4	12-90	480	102
Φ3200*4500	18	65	≤25	0.074-0.4	---	630	137
Φ3600*4500	17	90	≤25	0.074-0.4	---	850	158
Φ3600*6000	17	110	≤25	0.074-0.4	---	1250	175
Φ3600*8500	18	131	≤25	0.074-0.4	45.8-256	1800	252

Applications: cement, silicate product, new building material, refractory, fertilizer, black and non ferrous metals and glass ceramic industry.

Production and assemblying site:

Spare parts applied:

Advantages

1. High abrasion resistance

2. Automation control;

3. Diversification of working mode;

4. Advanced performance of the components;

Working Principle

The main bearing is a key part of the overfall type ball mill, the lubrication must be very good, generally thin oil is used by circling lubrication, the oil go to the main bearing and transmission bearing in 4 ways through the pump, and go to the oil pipe at the bottom of the bearing, then go back to the fuel tank. Oil-ring self-lubrication, Oil drip lubrication or solid lubricant are used for middle, small ball mill. To make sure the reliability of the lubrication, automatic alarm device for oil break is installed in some ore processing plant.

Packaging

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