·The most common type of jaw crusher today is the Blake crusher patented by Eli Whitney Blake in 1858 Weiss 1985 The Blake crusher pivots at the top and comes in two forms the double toggle and the single toggle The throw—the stroke of the swing jaw and the difference between OSS and CSS Fig 1 Schematic of crusher dimensions
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·Blake crusher the swing jaw is fixed at the upper position; Dodge crusher the swing jaw is fixed at the lower position; Universal crusher the swing jaw is fixed at an intermediate position Suitable for crushing hard and abrasive materials jaw crusher is commonly used as primary crushers in quarrying mining recycling due to their reliable
assignment jaw crusher definition device comprising one fixed inclined jaw and one movable inclined jaw it is used to reduce rock to specific sizes working Blake and dohge jaw crisher University University of Gujrat Course Particulate Technology CHE 111 fix ed jaw while the other jaw called a swing jaw moves back and f ort h
·Komponen Mesin Jaw Crusher Batu agregat yang telah dihancurkan dengan mesin jaw crusher kemudian akan keluar dari bagian bawah mesin jaw crusher dimana batu batu yang telah dihancurkan tersebut kemudian akan dibawa menggunakan belt conveyor tambang agar dapat dipindahkan ke mesin vibrating screen untuk disortir lebih lanjut dengan
4 ·A Jaw Crusher uses compression based crushing to resize material unlike an Impact Crusher which uses impacts to break up material In a V configuration the Jaw Crusher has one Fixed Jaw and one Moveable Jaw The Moveable Jaw also known as a Swing Jaw pivots on an Eccentric Shaft at the top of the Jaw; this has the effect of a rocking motion
·A Design & Analysis of Swing Jaw Plates of Jaw Crusher Ramkrushna S More CAD/CAM Lecturer Mechanical Engineering Department Raisoni Polytechnic Amravati India Abstract A jaw crusher break minerals ores of high strength The stiffness of swing jaw plate has not been varied with changes in rock strength
·The size of a jaw crusher is usually described by the gape and the width expressed as gape × width The common crusher types sizes and their performance are summarised in Table the dimensions of the largest Blake type jaw crusher in use are 1600 mm × 2514 mm with motor ratings of 250 300 kW
3 ·The Blake features a double toggle jaw crusher drive mechanism which gives relatively smaller movement at the receiving end of the chamber generating a powerful crushing action for large rock pieces A refinement on the crusher illustrated is the use of a curved jaw plate on the swing jaw which renders the crusher non choking
The design of the swing jaw plate is proposed using point load deformation failure relationships along with interactive failure of rock particles as a model for such a reduction in deflection value Traditionally stiffness of swing plates has not been varied with changes in rock strength Rock strength has only been of interest because of the need to know the maximum force exerted by
·Figure 1 illustrates the configuration of the double toggle jaw crusher The swing jaw the eccentric shaft the pitman the toggle links and the frame comprise a mechanism that can be modeled as a planar six bar linkage Except for the frame all the links in the mechanism are connected to two joints and they are therefore binary links
·The numerator is calculating the volume of one swing of a jaw times the density of material in the chamber times the number of cycles per minute This should give you the mass of material crushed per minute Example Metso C80 jaw crusher 2″ CSS Q = cot 10° 350 60 = 111 m³/h
·Introduction The Dodge Jaw Crusher is a type of crusher that is widely used in the mining industry It was invented by Eli Whitney Blake in 1858 making it one of the oldest types of crushers still in use today The Dodge Jaw Crusher is designed to reduce large rocks into smaller rocks gravel or rock dust
·The jaw crusher does not lose any of its new condition throw when the babbitt wears in the main or in the pitman bearings The jaw crusher will handle sticky or dirty feed better than the gyratory there being no diaphragm below the crushing chamber on which such material can pack Routine maintenance and repair jobs are generally
·KEU KEN CRUSHER It is an established fact that it is mechanically impossible to counter balance reciprocating motion by circular motion The blake type crusher shown at the right has a single heavy swing jaw operated by a single pitman and toggles Now let s analyze the motion in this machine
·DOUBLE TOGGLE JAW CRUSHER The double toggle mechanism patented in 1858 by Mr E W Blake remains unrivalled for all units of exceptional power and size Fig 1 is a cross section of an early Blake crusher The power was applied to an eccentric shaft rotated in fixed bearings situated close to the centre of a heavy cast iron frame
·The Terex® Jaques D42 double toggle jaw crushers feature a 1070 x 915 mm 42 x 36" feed opening
The single toggle swing jaw is suspended on the eccentric shaft which allows a lighter more compact design than with the double toggle single toggle jaw crusher Figure 1a Blake Crusher
·Crusher definition Crushers are slow speed machines employed for the coarse reduction of large quantities of solids Jaw crushers Gyratory crushers and Smooth roll crushers are the main types of crushers They operate or are used by compression and can break large lumps of hard materials They find applications in the rockery and mining industries
Published tables of jaw crusher capacities are compiled for the most part from field performance data interspersed with interpolations extrapolations various safety factors and other modifications Such a table attempts to balance and equalize field data from widely Werent materials with differences of crushability efficiency of feeding sizing of the feed and so on
A laboratory Blake type Jaw crusher Figure 1 with an opening of 10 Â 12 cm and a jaw length of cm was used in the experiments Three different size fractions À 90 þ 50 mm À 50 þ
The design of the swing jaw plate is proposed using point load deformation failure relationships along with interactive failure of rock particles as a model for such a reduction in deflection value Traditionally stiffness of swing plates has not been varied with changes in rock strength Rock strength has only been of interest because of the need to know the maximum force exerted by
Furthermore the crusher frame and swing jaw are made of high grade steel or special cast steel that has been subjected to a stress relieving heat treatment in order to prevent residual stresses from the welding or casting process
