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Vibrating Screen

 

 

Vibrating screen overview

Vibrating screen is the circular vibrating type; we called it circular vibrating screen also. Vibrating screen earns this name by reason of its approximately circular movement. Vibrating screen is of multilayer and high efficient.

The eccentric shaft vibration exciter and partial block help to adjust amplitude. This kind of vibrating screen is of long streamline, clear screening for different specifications.

Vibrating screen application

Vibrating screens are widely used for grading and screening materials in such fields as chemical industry, minerals, quarry, building materials, water conservancy and hydropower, transportation, smelting and so on. Vibrating screens are efficient screening machines for the classification of bulk material such as coal, minerals, coke etc.

There are 40 specifications for this series vibrating screen, of which the heavy duty type of vibrating screens are for the classification of large size materials, while the light duty type of vibrating screens are for the middle and small size materials.

 

 

 Vibrating screen main features and benefits

1. This series of vibrating screens use eccentric block to produce strong exciting force.

 

2. Crossbeam and the main body of the vibrating screen are connected with high strength screw bolts. So our vibrating screens have the features of simple structure and easy maintenance.

 

3. The vibrating screen adopts tire coupling with capability of flexible connection and stable operation.

 

Vibrating screen main parts

Vibrating screen is made up of screen meshes, spring, and support frame and so on.
We also offer spare parts and original wear parts related to the vibrating screen.

 

Operation and maintenance of vibrating screen

 

1. Before starting, we should inspect every fasteners bolt of vibrating screen whether to become less crowded, if it has, we should fasten it one time.
2. After the sieve machine has empty motion for 4-6 hours, the sieve body should be steady. No sway and unusual sound and driver bearing temperature≤7512.
3. After idle operation movement, we should examine every spots spiral of vibrating screen fastens one time.
4. In normal work, it should have periodic inspection of every fasteners bolt tight situation.
5. Inspect vulnerable, the use and the maintenance frequently, please refer to the instruction for use. (vibrating motor should be refueled one time after 3 months, driver be refueled one time every month, a minor repair half year, a overhaul one year.)
6. Before parking, you should stop giving the material first and waiting for the screening surface material to walk.
7. When the vibrating screen working, you should observed the sieve machine operational aspect continuously, if there are not normal movements or unusual sound about the vibrating screen, should shutdown the machine and check, discover the reason then remove difficulty.

Vibrating screen working principle

Vibrating screen moves round. It has multi-layers and is of high efficiency. The eccentric shaft vibration exciter and partial block help to adjust amplitude. The material drops down along the long line. In screen grading, the material is separated mechanically on screen plates. Rolling bearings in vibrating screens are stressed by high, mostly shock-type loads. Moreover, the bearings, while rotating about their own axis, perform a circular, elliptical or linear vibrating motion. This results in high radial accelerations which additionally stress the bearings, and especially the cages, considerably. The operating speeds are usually very high. As a result, the bearing temperatures are up to 20 to 30 degrees Kelvin higher than in normal applications. In addition, considerable misalignments between the bearing locations and considerable shaft deflections have to be accommodated.

Vibrating screen technical data

Type

Screen Spec
(mm)

Layers

Sieve Pore Size
(mm)

Max. Feed Size
(mm)

Capacity
(t/h)

Power
(KW)

Screen area
(m2)

Weight Excluding Motor
(t)

2YA1237

1200×3700

2

3-50

200

7.5-80

5.5

4.44

2.34

3YA1237

1200×3700

3

3-50

200

7.5-80

7.5

4.44

3.05

2YA1548

1500×4800

2

5-50

400

50-208

15

7.2

5.33

3YA1548

1500×4800

3

5-50

400

50-250

15

7.2

6.07

2YA1848

1800×4800

2

5-80

400

50-260

18.5

8.64

6.65

3YA1848

1800×4800

3

5-80

400

50-300

18.5

8.64

6.93

2YA1860

1800×6000

2

5-80

400

50-350

22

10.8

7.52

3YA1860

1800×6000

3

5-80

400

50-350

22

10.8

7.72

4YA1860

1800×6000

4

5-80

400

50-350

22

10.8

8.70

2YA2160

2100×6000

2

5-100

400

100-500

30

12.6

10.2

3YA2160

2100×6000

3

5-100

400

100-500

30

12.6

10.5

4YA2160

2100×6000

4

5-100

400

100-500

30

12.6

10.8

2YA2460

2400×6000

2

5-150

400

150-700

37

14.4

10.4

3YA2460

2400×6000

3

5-150

400

150-700

37

14.4

10.8

Note: This specification is just reference; any changes are subject to the vibrating screen products.

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