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When the flywheel fails the flywheel rotates but the eccentric shaft cannot run or the rotation speed is very slow so that the jaw crusher cannot work The cause of the problem The reason for this kind of failure may be that the connecting parts of the belt wheel and the flywheel are loose or broken and the connection function is lost
·The eccentric shaft powered by the crusher s motor makes the mantle move in a circular back and forth motion This creates compression and release cycles inside the chamber During compression the ore is severely crushed between the mantle and the bowl liners
·Jaw crusher is an important equipment on many mine production lines There are 4 bearings on the eccentric shaft for jaw crushser two on each side of the jaw frame supporting the shaft and two at each end of the pitman Normally they are spherical tapered roller bearings on an overhead eccentric jaw crusher
·The basic design of a jaw crusher consists of a frame an eccentric shaft a movable jaw and a stationary jaw The frame is the main body of the machine and is usually made from cast iron or steel The eccentric shaft is a long cylindrical rod that connects the movable jaw to the frame
In the single toggle jaw crusher an eccentric shaft is installed on the top of the crusher Shaft rotation causes along with the toggle plate a compressive action of the moving jaw A double toggle crusher has basically two shafts and two toggle plates which will lead to the failure of jaw crusher to work normally
·How Does a Jaw Crusher Work The working principle of a jaw crusher is straightforward The motor drives the eccentric shaft to rotate which causes the moving jaw to move back and forth As the moving jaw moves it presses against the fixed jaw creating a compression force The compression force causes the rock to break and fall down
Some of the common jaw crusher spares include the fixed jaw plate movable jaw plate cheek plates toggle plate eccentric shaft and bearings Our engineers always work to improve liner life and it is this hard work that has brought so many success stories to our customers helping to achieve throughput and crushing ratios while saving on
·Currently in the primary crushing stage commonly used crushers include jaw crushers and gyratory crushers Recently FLSmidth 2022 has introduced an eccentric roll crusher which has gained favor in the crushing industry due to its high efficiency and energy saving advantages They are widely used for primary crushing of ores such as
A higher eccentric throw means fewer crushing zones so the journey through the crusher is quicker The quicker the journey through the crusher the greater its capacity Therefore altering the eccentric throw settings significantly changes the way your crusher works without making any adjustments to the concave
·The price of double toggle jaw crusher is from 50 000 to 200 000 and more and they are more complex than single toggle jaw crushers They are provided with two toggle plates that are attached to the eccentric shaft consequently with the movable jaw the crushing force is increased and the capacity becomes higher
A flywheel stores the energy of the jaw crusher during the empty stroke and then releases it at the right moment in order to crush the material This helps to create a uniform load energy so that energy is conserved In fact there are two flywheels on a jaw crusher one that connects the V belt to the eccentric shaft to transmit kinetic energy
·The surface of the mantle shaft and the shell is fixed with many liners and they are eccentrically installed The space enclosed by the outer surface of the mantle shaft and the inner surface of the shell is the crushing chamber When the gyratory crusher starts to work the pinion shaft assembly drives the eccentric rotation of the mantle shaft
4 ·Processes abrasive hard rock using the time tested overhead eccentric design The short bearing span between the side frames reduces stress and shaft deflection Eliminates premature failures caused by fatigue from uncontrolled stress with a stress control design of the frame and alignment of the bearings shaft and toggle seat
·The main parts of a jaw crusher include the frame the eccentric shaft the flywheel the toggle plate the cheek plates the jaw plates the pitman the eccentric shaft and adjustment wedge Home; Products; Cases; the jaw plates the pitman the eccentric shaft and adjustment wedge These components work together to crush large materials
·A jaw crusher consists of several main parts that work together to provide crushing functionality The basic structure of a jaw crusher includes the fixed jaw plate movable jaw plate toggle plate eccentric shaft flywheel etc
·2 Too few eccentric blocks Try increasing the number of eccentric blocks to increase the amplitude 3 The included angle of eccentric block is too small If the motor adopts vibration motor the included angle of the eccentric blocks at both ends of the motor shaft will also affect the amplitude
·Download Citation ANALYSIS OF THE VIBRATION STATE OF THE ECCENTRIC SHAFT AND THE BEARINGS OF A COMPLEX PENDULUM JAW CRUSHER In the present work vibrations and undulations of a complex pendulum
·Eccentric Shaft The eccentric shaft is a critical part that connects the movable jaw to the rest of the crusher It helps in the movement of the jaw and imparts an oscillating motion to it Bearings Bearings play a crucial role in reducing friction and ensuring smooth operation
6 ·Jaw Crusher Eccentric Shaft is installed on the top of the jaw crusher It runs through the movable jaw pulley and flywheel All of them are connect with each other by the eccentric shaft The rotation of eccentric shaft causes a compressive action of the moving jaw Jaw crusher eccentric shaft is constructed with large dimensions of alloy
·Wearing parts in the gyratory crusher may be either chilled cast iron or manganese steel depending on the character of the material to be crushed and the particular class of service for which the machine is intended Standard crushers in the small and medium sizes are customarily fitted with chilled iron head and concaves for crushing
·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
Jaw Crusher Components There are several main parts of the jaw crusher frame jaw plate side guard plate and transmission part The frame is a four walled rigid frame and it is used to hold the eccentric shaft and stand the reactive force of crushed material So the frame needs sufficient strength and rigidity It is usually made of cast
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