Although the jaws do the work, the real heart of the jaw crusher and its components are the toggle plates, the pitman, and the ply wheel These are the parts and components that generate the crushing action and provide the energy needed to break the ore Let’s follow the chain of events within a crushing cycle to see how they all go together
Jaw crusher mainly consists of frame, eccentric shaft, jaw plate, connecting bar, adjustment part and springThe movable jaw goes upward and downward through eccentric shaft when belt and belt wheel are driven by the motor The angle between movable jaw and bracket turns big when the movable jaw goes upward, which pushes the movable jaw plate .
Bending and Fracture Reason of Eccentric Shaft of Jaw ,
Bending and fracture reason of eccentric shaft: 1 The jaw crusher tilts in the process of lifting, and thus causing the eccentric shaft bending 2 The hardness of crushed materials is stronger than that in specification 3 The main body of jaw crusher is in the state of overload running for a long time
Jaw Crusher For Sale | Stone Crushing Machine - Pilot Crushtec
C Series jaw crushers are overhead eccentric single toggle jaw crushers The feed material is crushed between fixed and movable jaw di Movable jaw die is mounted to the pitman Pitman motion (=kinematics) is defined by the eccentricity of the eccentric shaft ,
Jaw crusher is composed of frame, rotating jaw, eccentric shaft, jaw plate and plate knee, etc The motor drives the eccentric shaft through V-belt, making the movable jaw do periodic movement according to the well timed track The material is crushed in this process The frame adopts whole cast steel structure or welding steel plate
Eccentric Shaft Function Jaw crusher eccentric shaft plays an quite important role in jaw crusher operating The pitman is put in motion by the oscillation of an eccentric lobe on a shaft that goes through the pitman's entire length This force is also put on the shaft itself so they are constructed with large dimensions and of hardened steel
The PE series jaw crusher runs the movable jaw according to a predetermined trajectory by means of the rotation of the eccentric shaft, so that the material entering the crushing chamber composed of the fixed plate, the movable plate and the guard plate is continuously crushed by the action of collision
Jaw crusher PEW series Jaw crusher features big crushing ratio, reliable operation, easy maintenance and low operating cost It is the new generation product designed and produced by SBM, basing on our 30 year’s crusher production experience and the latest design conception
The companies of the Aggregate and Mining Group design, manufacture and market a complete, world-class line of rocker breaker systems, rock crushers feeders, vibrating screens, conveyors, washing and classifying equipment for open-mine, underground mining, ,
Mar 05, 2016· The pin is 2-1/2 IN solid round stock The knuckle is a 2-1/2 section of well casing The jaw will be welded to the knuckle and will pivot around the pin So the bottom of the jaw seen in this pix will travel an arc as the other end of the jaw rides on the eccentric shaft,
two crushing jaws The moving jaw of the single toggle jaw crusher moves elliptically A pendulum motion is being carried out by the double toggle jaw crusher The crushing force is produced by an eccentric shaft Then it is transferred to the crushing zone via a toggle plate system and supported by the back wall of the housing of the machine .
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Eccentric Shaft Eccentric shaft is a shaft that parallel to excircle but not coincident with the axis of the excircle The center of the eccentric shaft is not the axis center In a jaw crusher, the eccentric shaft and the bearings drive the moveable jaw to move back and forth The driving part of the eccentric shaft is made of moveable jaw .
Movable Jaw Plate 4 Movable Jaw Eccentric Shaft 6 Toggle Motor Comparison between JC Series and PE Series about feed opening Sturdy Structure 2 JC series Jaw Crusher PE series Jaw Crusher Two kinds of Frames: Welded and Packaged Usually, Small and medium sized model adopts welded, large model adopts packaged
Jaw crushers operate according to the principle of pressure crushing The crushing material is crushed in the wedge-shaped pit between the fixed crusher jaw and the crusher jaw articulated on an eccentric shaft The material is crushed by the elliptic course of movement and transported downwards
Introduced in 1906, McLanahan’s Universal Jaw Crusher was one of the first modern era overhead eccentric Jaw Crushers On the overhead eccentric style Jaw Crusher, the moving swing jaw is suspended on the eccentric shaft with heavy-duty double roll spherical roller bearings
Breaking Reason of the Eccentric Shaft of Jaw Crusher
Jaw crusher is one of the important crushing equipment in mining industry It has the incomparable advantage of stable and reliable operation, easy maintenance, long service life, less dust and noise Eccentric shaft, the main drive part plays an important role in the operation process
Crusher Bearings: Knowing the basics leads to better care
Mar 03, 2016· In a typical jaw crusher, two outer bearings located on either side of the main frame support an eccentric shaft, while two inner bearings support a moveable jaw These are commonly known as “pitman” bearings The reciprocating motion of the shaft moves the pitman against a second, stationary jaw
How to Repair the Eccentric Shaft of Jaw Crusher ,
Eccentric shaft is one of the main vulnerable parts of jaw crusher If jaw crusher fails to work caused by abrasive eccentric shaft, users would have no idea because they learn little about the maintenance and repairment of jaw crusher Today, Mining Machinery tech you how to repair the eccentric shaft of jaw crusher
HEAVY-DUTY FORGED ECCENTRIC SHAFT All Lippmann Heavy-Duty Jaw Crushers feature a massive, oversized, heat-treated shaft forged of special alloy to provide an exceptionally large eccentric throw, and to handle overloads and hard materials
Jaw Crusher Components & Parts - 911 Metallurgist Mar 19, 2017 , Although the jaws do the work, the real heart of the jaw crusher and its , This will drive a reducer sheave that is attached to an eccentric shaft
Jaw Crushers – When Only the Most Massive, Rugged and Cost-Effective Jaw Crusher in the Industry Will Do! terrasource terrasource The massive cast steel pitman and forged alloy steel eccentric shaft are supported by four anti-friction roller bearings Applications Employed as a primary crusher, the overhead eccentric jaw .
Jaw Crusher, Stone jaw crushing machine, Quarry Jaw ,
Jaw Crusher Working Principle: The electrical motor transmits power to the eccentric shaft through v-belt and belt pulley Then the exciting force generated by the eccentric shaft will make the movable jaw move upwards and downwards This movement would trigger the toggle plate to push the movable jaw forwards and backwards
The single-toggle crusher is also known as an overhead eccentric for its eccentric shaft is up above compared to the Dodge which has its shaft below/under Here, the eccentric is integrated in the “swing” jaw plate that’s moving up/down as the fly wheel rotated by the motor