ball mill

Simple structure Easy adjustment and maintenance Reliable operation Excellent after-sale service

Yantai Jinpeng Mining Machinery CO., LTD

Add:No.11, Fuzhou Road, development District, Yantai, Shandong Province

Tel: 0535-3975297                 Fax: 0535-3975297

I. General Introduction for Ball Mill

1. Structure:

1. Feeder;    2. Feeding unit; 3. Discharging unit;     4. Cylinder;

5. Girth gear; 6.Rack;        7. Transmission Division; 8. Bearing Division

Fig I Diagram of Ball Mill

As shown in Fig I, the ball mill generally consists of eight parts: feeder, main bearing, feeding unit, cylinder, discharging unit, gear mechanism, gear cover, and foundation.

As per the types of ball mills, they can be classified into overflow type (MQY type) and trellis type (MQG type).

As per driving types of ball mills, they can be classified into dextrorotary type and laevorotatory type.

As per modes of installing ball mills, they can be classified into with base plate type and without base plate type. With regards to ball mill with base plate, except an additional base plate, all the other parts are the same as those of ball mill without base plate. Below 15 series is with base plate.

As per motor modes of ball mills, they can be classified into YR motor and JR motor. The structure difference between two types is the motor, the parts march to the motor and basement. The principle of two type marched is: to adopt YR motor when smaller than 80KW, to adopt JR motor when larger than 80KW.

Main parameter of the Ball Mill:

Table 2

model	Cylinder diameter	Cylinder length	Rotary speed	Motor model	Motor power	Motor speed	Effective volume	Maximum load of ball
0909	900	900	37.1	Y180L-6	15KW	970	0.91	1.5
0918	900	1800	37.1	Y200L-8	15KW	740	0.91	1.5
1228	1200	2800	29.5	YR280S-8	55KW	725	2.8	5
1530	1500	3000	29.8	JR117-8	80KW	725	5	10
2130	2100	3000	24.05	JR136-8	180KW	735	9.0	18
2136	2100	3600	24	JR137-8	210KW	735	11	21.6
2140	2100	4000	24	JR138-8	245KW	735	12.1	23.5
2436	2400	3600	22.5	JR138-8A	280KW	743	14	26
2440	2400	4000	22.5	JR138-8B	320KW	743	15	26
2442	2400	4200	22.5	JR500L2-8	355KW	745	16	26
2445	2400	4500	22.5	JR500L3-8	380KW	745	17	29.5
2736	2700	3600	21.6	JR500L3-8	380KW	745	19.4	36

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