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Jaw Crusher

What is a jaw crusher , jaw crusher equipment which uses ?

Jaw Crusher ( in China known as the tigers mouth ) is one of the first to be used for broken stone crusher equipment, appeared in 1858, Jaw Crusher was first widely used in road construction stone crushing, later used in mine. Because of its high crushing strength, uniform finished product size, simple structure, reliable work, convenient repair, operating costs and economic characteristics. Therefore, the jaw crusher were subsequently widely used in mining, smelting, building materials, highway, railway, water conservancy and chemical industries, especially for breaking strength less than 320 MPa various materials strong crusher.

Jaw crusher
 

Jaw crusher structure:

 

Jaw crusher safety device, mainly composed of a rotating body, adjusting device, a fixed body and other components.

[1] .The eccentric shaft broken jaw machine by 45# steel car system, and after quenching and tempering treatment.

[2] .The bearing adopts double row radial spherical roller bearings, with fine tuning, endurance, and durability characteristics.

[3] .By the movable jaw: life. The rotating body, an eccentric shaft, bearing, pulley, etc., is a jaw crusher driving and bearing the main part.

[4] .The movable jaw by moving jaw bracket and a movable jaw plate and other components, broken jaw moving jaw bracket with 35# steel, and after quenching and tempering treatment.

[5] .Jaw plate life. Activity and fixed with two, in order to improve crushing effect, surface using optimized tooth type, material used ZGMn13with high hardness, wear resistance, good use effect characteristics.

[6] .Adjusting device: the device is used to adjust the discharge opening size, control of jaw crusher discharging granularity. Jaw crusher adjusting mechanism has two forms: long wedge and a top rod shim, adjusting is convenient and flexible, can realize the stepless adjustment.

[7] .The fixed body: jaw crusher fixed body are the main parts of the frame, frame manufacturing process : there are two kinds of medium carbon steel casting frame and steel plate welded frame. The welded frame is in the original casting frame were added based on a plurality of reinforcing ribs, and through strict quality control and specific process requirements, to achieve the same effect with casting frame. In order to prevent the rack side wall is serious, the jaw crusher wear, in the crushing chamber is arranged on the side guard plate, free replacement.

Jaw crusher works :

Jaw crusher style types are different, but its essence is the same principle , the work part of the jaw crusher , two jaw plates, one fixed jaw plate ( fixed jaw ) , vertical ( or top of the slightly extrovert ) fixed wall in front of body, and the other is movable jaw plate ( moving jaw ) , position, tilt , and the fixed jaw plate to form a big under the crushing chamber ( cavity) activities of jaw plate against the fixed jaw plate cyclical reciprocating movement , sometimes separately , sometimes near .Apart, into the crushing chamber materials , finished goods are unloaded from the bottom ; close, squeezed between the two jaw plate material to bending and splitting the role of fragmentation . With the continuous rotation of motor broken the periodic motion of mobile jaw crushing and fecal material, and mass production .

Jaw crusher performance characteristics:

[1] .Low noise, less dust.

[2] .The big crushing ratio, uniform finished product size;

[3] .Has the advantages of simple structure, reliable work, low operation cost.

[4] .Discharge outlet adjustment range, can meet the requirements of different users;

[5] .Deep crushing cavity and no dead time, improves the feeding ability and yield;

[6] .The single life. Energy-saving equipment: energy 15% ~30%, more than double the system energy saving;

[7] .The lubrication system is safe and reliable, convenient for changing components, small maintenance workload;

[8] .The gasket type discharge opening adjusting device is convenient, reliable, large adjusting range, increase the flexibility of the device;

Instructions for use of the jaw crusher

The jaw crusher starting preparations

[1] .Should be carefully examined all of the fastener is fastened completely.

[2] .Protective device is good, found insecure phenomena, should immediately to eliminate.

[3] .Should check lubrication of bearings, bearing board connection the adequacy of lubricating grease.

[4] .Check the crushing cavity has no mineral or other debris, such as should be immediately removed.

The starting jaw crusher

[1] .Upon examination, that the machines and the transmission part of the normal situation, will start. Jaw crusher

[2] .The machine can only be in no case load starting.

[3] .After the start, if found to have an abnormal situation, should immediately stop, to identify the cause of eliminate hidden dangers, can be started again.

(c) Maintenance of jaw crusher and use

[1] .Jaw plate end wear tune to use.

[2] .Normal running of the crusher, can feed.

[3] .Before stopping, you should stop feeding, crushing cavity of crushed materials to be completely empty, can be closed motor.

[4] .To crush materials should be evenly into the crushing cavity, and should avoid the side feed, to prevent sudden load change or unilateral sudden increase.

[5] .When in use, if the crushing cavity material obstruction resulting from downtime, should immediately close the motor must be excluded, material, can be reused.

[6] .In the normal condition, the bearing temperature should not exceed 30 ℃, the highest temperature should not exceed 70℃, otherwise should stop immediately, identify the causes to be eliminated.

The jaw crusher lubrication

[1] .Board and board pad contact in the machine before, must add grease.

[2] .Often pay attention to timely lubrication friction surface, can guarantee the normal operation of the machine and extend the service life.

[3] .The machine adopts grease, should be based on the use of location, temperature and other conditions to determine, the general use of calcium, sodium or calcium sodium grease.

[4] .To join the bearing grease for the volume of the 40-70%, every three months to replace a; new oil must be used to clean gasoline or kerosene to clean the dirt in the bearing and the bearing seat.

Jaw crusher technical parameters :


Model

Feeding size

( mm )

Outlet adjustment range

( mm )

Processing capacity

( t/h )

Eccentric shaft speed

( r/min )

( length * width * height )

( mm )

PE-150×250 150×250 10-40 1-3 250 720×660×850
PE-200×300 200×300 15-50 2-6 260 910×750×990
PE-200×350 200×350 18-70 3-10 260 1000×870×990
PE-250×400 250×400 20-60 5-20 300 1300×1090×1270
PE-400×600 400×600 40-100 16-60 275 1730×1730×1630
PE-500×750 500×750 50-100 40-110 275 1980×2080×1870
PE-600×900Ⅱ 600×900 65-160 50-180 250 2190×2206×2300
PE-600×900 600×900 65-160 60-200 250 2290×2290×2400
PE-750×1060 750×1060 80-140 115-330 250 2660×2430×2800
PE-870×1060 870×1060 200-260 290-336 250 2810×2430×2800
PE-900×1060 900×1060 230-290 160-400 250 2870×2420×2940
PE-900×1200 900×1200 95-165 220-450 200 3380×2870×3330
PE-1000×1200 1000×1200 195-265 315-500 200 3480×2876×3330
PE-1200×1500 1200×1500 150-300 400-800 180 4200×3300×3500
PEX-150×750 150×750 18-48 8-25 320 1200×1530×1060
PEX-250×750 250×750 25-60 13-35 330 1380×1750×1540
PEX-250×1000 250×1000 25-60 16-52 330 1560×1950×1390
PEX-250×1200 250×1200 25-60 20-61 330 2140×1660×1500
PEX-300×1300 300×1300 20-90 16-105 300 2720×1950
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