The pitman is swung on the eccentric shaft which is supported by removable water cooled bearings on the frame LOW JAW CRUSHER TOGGLE REPLACEMENT COST The pitman is two piece annealed cast steel construction with cap designed for water cooling Bearing surfaces on both pitman and cap are babbitted and are joined together by four large
Heavy protective planch installed above the movable jaw plate protects internal bearing from damage caused by material falling down in feeding moment JC jaw crusher adopt mechanic or hydraulic device to adjust discharge opening Compared with shim adjustment by double block is simpler saver faster and reduces downtime
In this article we will mainly talk about 3aspects of jaw crusher as below Guide line to install the jaw crusher to opreate the jaw crusher torepair and examine the jaw crusher Related jaw crusher introduction First deal with the bearing of the movable jaw boil the stock spare bearing for 2 hours and use a
JAW CRUSHER QJ341 JAW CRUSHER KEY SPECIFICATIONS DATA Equipment Single toggle C12 jaw crusher Feed opening m x 750 mm / 47 x 29 Maximum feed size 650 mm³ / inch³ Engine CAT Stage 5 / T4F 280 kW / 375 hp CAT C9 T3 261 kW / 350 hp Transport dimensions m / 48 3 l m / 9 2 w m / 12 5 h
A crusher in United Arab Emirates was experiencing premature failures in the main Jaw Crusher Bearings; The bearings failed every 1 year leading to replacement Downtime and massive production loss; The competitor spherical bearings were failing due to several factors including lack of proper lubrication installation procedures not followed
The single toggle jaw crusher with the largest antifriction bearings and highest flywheel energy 1 with new crushing elements 2 bearing Back wall Jaw adjustment Toggle plate Pitman Clamping bar Shim plate Cheek plate Front wall Side wall Fixed jaw Moving jaw Swing jaw Shim From top
6 Heavy protective planch installed above the movable jaw plate protects internal bearing from damage caused by material falling down in feeding moment Integrative installation of motor chassis and crusher frame not only saves installation space of jaw crusher but also reduces the length of Vee belt Thanks to synchronous movement of crusher
Size and Capacity The size and the capacity of jaw crusher have a considerable effect on the price of the crusher A small jaw crusher having a 250x400mm feed opening and a capacity of 5 20 tons per hour will cost less than a large jaw crusher with a 1 200×1 500mm feed opening and a capacity of 400 800 tons per hour
jaw crusher Metso Mining and Construction Technogy the world s leading rock and mineral processing group has installed over 10 000 roller bearings means exceptionally high crusher availability cost efficient crushing and low cost per ton There are now two ranges of models in the C Series range The first is the well
A jaw or toggle crusher consists of a set of vertical jaws one jaw being fixed and the other being moved back and forth relative to it by a cam or pitman mechanism The jaws are farther apart at the top than at the bottom forming a tapered chute so that the material is crushed progressively smaller and smaller as it travels downward until it
The toggle plate is an important safety feature of the jaw crusher as it helps to prevent accidents by breaking the connection between the pitman and the cheek plates if the crusher becomes overloaded 5 Cheek Plates The cheek plates are located on either side of the jaw crusher and are used to crush material against the stationary jaw
4 bearings The jaw crusher bearing is a plain bearing cast with babbitt With the improvement of the technical level of rolling bearing manufacturing rolling bearings will be used in the jaw crusher in the future The bearing bush of the main bearing and the connecting rod is overheated and can be cooled by circulating water
The portable jaw crusher has a unique two step 5 foot grizzly deck to remove fines before crushing Including a removable electrical control panel that features pre wired receptacles for radial stackers the 2036 Portable Jaw Crusher manages the feeder speed for continuous flow of material into the jaw crusher with variable frequency drive VFD
C Series jaw crusher basic concepts The jaw crusher is a compression type crusher Feed material is crushed between fixed and movable jaw dies Large particles are crushed in a single layer referred to as single layer crushing Smaller particles are crushed rock on rock referred to as multi layer crushing Open profile Bottom Top Closed
Minyu Jaw Crushers are configured for primary crushing of the hardest rock Incoming material is crushed between the jaw crusher s fixed die plate and movable die plate through advancing and retreating motions of the jaw crusher pitman arm The Jaw Crusher main shaft bearing includes a dust seal with oil bath lubrication
When the jaw crusher is idling the metal impact sound appears at the lower part The bearing temperature exceeds the allowable temperature and the return oil temperature exceeds 60 ℃ The problem may be caused that the bearing bush is pressed too tightly and the amount of pressing degree of the bearing bush can be adjusted by the gasket
Roller bearing and grease lubrication system ST series Jaw Crusher Commonly used as primary crushers for stone owing to high reliability and a simple robust structure Details Specifications; Properties; Specifications Structural Diagram NC
4 What for The pitman is the main moving part in a jaw crusher which forms the moving side of the jaw A jaw crusher pitman has two supporting points for supporting it in the body of the jaw crusher the upper supporting parts of the pitman consists of flywheel and eccentric the lower supporting parts consists of toggle plate toggle seat and tension rod
Heavy protective planch installed above the movable jaw plate protects internal bearing from damage caused by material falling down in feeding moment JC jaw crusher adopt mechanic or hydraulic device to adjust discharge opening Compared with shim adjustment by double block is simpler saver faster and reduces downtime
A sectional view of a jaw crusher which incorporates the Blake double toggle mechanism is shown below The Blake crusher in common with all machines of the jaw family is built into a rectangular frame at one end of which is located the crushing chamber; in fact the end of the box frame constitutes the stationary jaw The movable or swing jaw
When the jaw crusher is overloaded or handles materials that are too large and too hard the movable jaw is subjected to pressure that exceeds its bearing capacity causing it to break Solution Avoid overload operation control the hardness and size of the material and ensure operation within the normal working range of the equipment
Jaw crusher movement is guided by pivoting one end of the swinging jaw and an eccentric motion located at the opposite end [4] The size of a jaw crusher is designated by the rectangular or square opening at the top of the jaws For instance a 22 x 30 jaw crusher has an opening of 22" by 30" a 46 x 46 jaw crusher has a opening of 46" square
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