Jaw Crusher Pitman The pitman is the main moving part in a jaw crusher It forms the moving side of the jaw while the stationary or fixed jaw forms the other Jaw Crusher Work king Princiiple The work king princippal of Jaw Crusher is based on modern dessign "CRUC CHING WITH HOUT RUBBIING" The machine m consists two Jaw ws one fixed
Measurement of the crusher s closed side setting varies depending on the jaw profile that is being used and has an impact on the crusher s capacity and product gradation The following factors will enhance crusher capacity and performance selection of the jaws P 2 Proper feed gradation 3 Controlled feed rate 4
The heaviest part of a Metso C200 jaw crusher for maintenance is the pitman assembly which weighs about 40 tonnes and requires 5m of vertical space plus clearances for lifting Then lay the pitman from the jaw crusher on its side to work on bearings or place the gyratory main shaft upright When the hole is not in use it must be covered
3 Jaw crushers are mainly used as primary crushers in mining construction materials infrastructure and other sectors As the start of a high productivity crushing line using high quality replacement parts is crucial to extending the jaw crusher s service life and crushing effect
the compressive stroke of the pitman 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
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The working principal of Jaw Crusher is based on modern design "CRUCHING WITHOUT RUBBING" The machine consists two Jaws one them is smaller at the bottom and wider at the top The pitman moving on an eccentric shaft on bearing swing lever Moving Jaw swing on center pin The Rock held in between two Jaws and crushed by mechanical
18 • Single Toggle Jaw Crusher • In the single toggle jaw crushers the swing jaw is suspended on the eccentric shaft which leads to a much more compact design than that of the double toggle jaw crusher • The swing jaw suspended on the eccentric undergoes two types of motion swing motion towards the fixed jaw due to the action of toggle plate and vertical
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performance Metso jaw die fixing components are extremely durable and can be quickly replaced reducing wear part related costs even further Metso also develops custom jaws for special applications Special cheek plates are also available Conventional jaw crusher design Nordberg C Series jaw crusher
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
2 Both the structure and working of a jaw crusher are quite simple 3 The product size is quite small and can range up to millimetres 4 Repair and maintenance of a jaw crusher are convenient and easy 5 The reliability of a jaw crusher is significantly high 6 The broken parts of the jaw crusher are easy to replace Disadvantages of a Jaw
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The swing jaw is moved by a cam or pitman mechanism acting like a lever The double toggle jaw crusher is designed for crushing hard and abrasive materials with its unique features including a double toggle plate and a large feed opening The hydraulic jaw crusher is ideal for crushing hard and abrasive materials and it is commonly used
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Necessary safety guards are less extensive than for the jaw crusher Features of the Jaw Crusher Large receiving opening per dollar of investment Shape of receiving opening favourable for blocky feed This plus point 1 give the jaw a definite advantage over the gyratory except in the very large sizes for handling rock of massive formation
working performance and service life etc JCE Jaw Crusher has become the most popular product in the world which is the first choice to crush hard materials Product Introduction SKJ Series Jaw Crusher JCE 02 JCE Series Jaw
A pitman of a jaw crusher comprising an upper part which comprises an upper supporting point for supporting the pitman in the body of the jaw crusher and a lower part comprising a lower supporting point for supporting the pitman in the body of the jaw crusher through a toggle plate The lower part of the pitman comprises sidewalls and honeycomb structure open to the
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