Blake and dohge jaw crisher assignment University University of Gujrat Course Particulate Technology CHE 111 A jaw or toggle crusher consists of a set of vertical jaws one jaw is k ept stationary and is called a fix ed jaw while the other jaw called a swing jaw moves back and f ort h r elative to i t by a cam or pitman
Cara Kerja Blake Jaw Crusher Pada Blake Jaw Crusher umpan dimasukkan kedalam rahang berbentuk V yang terbuka ke atas Satu rahang tetap dan tak bergerak serta rahang yang lain membetuk sudut antar 20o 30o dan dapat bergerak maju mundur yang digerakkan oleh sumbu eksentrik sehingga memberikan kompresi yang besar terhadap
Types of Blake Type Jaw Crusher 4 Dodge Type Jaw Crusher 5 Sectional view showing Components of a Jaw Crusher 7 swinging lever or pitman of the single toggle jaw
The original double toggle jaw crusher was designed by Eli Whitney Blake in the USA in 1857 Mular et al 2002 in a double toggle crusher is such that it applies an almost purely
Jaw crushers include Superior Type "B Blake Fine Reduction and Dodge — sizes 4 by 6 to 84 by 66 inches A reciprocating machine the crushes material in Jaw Crusher Toggle All sizes of crushers feature a three piece toggle plate construction Worn ends may be replaced — no need to discard the entire toggle Bronze toggle ends
Double Toggle Blake Type or Overhead Pivot Movement Double toggle jaw crushers are the classic style of jaw crushers They re also popularly known as the Blake type because of their similar mechanism to the original jaw crusher by Eli Whitney Blake
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
Dodge crusher the swing jaw is fixed at the upper position Universal crusher the swing jaw is fixed at an intermediate position The Blake crusher was first patented by Eli Whitney Blake in 1858 and it is the most common type of jaw crusher employed today The Blake type jaw crusher has a fixed feed area and a variable discharge area
The Blake double toggle jaw crusher configuration In the kinematical model in Figure 2 the eccentric shaft is modeled as a short crank of length r 2 that rotates with uniform angular velocity about a fixed axis at O 2 The pitman is modeled as the coupler link O 3 O 4
Single toggle blake type jaw crusher 3 Double toggle blake type jaw crusher 4 Dodge Type Jaw crusher 5 Schematic Diagram of a jaw crusher 8 Equivalent four bar mechanism diagram 13 Graph Crank angle v/s
Crushing Download as a PDF or view online for free 9 Types of jaw crusher Jaw crushers are classified by the method of pivoting the swing jaw In the blake jaw crusher the swing jaw is fixed at the top It has fixed receiving area but variable discharge opening In dodge jaw crusher the swing jaw is pivoted at the bottom It has variable feed area but fixed discharge
A single toggle Blake jaw crusher with cm x cm receiving hopper crushed gold ore at the rate of 85 t/h with closed setting at cm and maximum opening of cm The work index of the ore was kWh/t Assuming the SG of the ore was calculate; • Optimum frequency of the toggle cycle • Maximum frequency of the toggle cycle
Dimensional data of a typical double toggle jaw crusher are used in the derived mathematical expressions to demonstrate their application Moreover starting with the equation for the angular velocity ratio of the moveable jaw with respect to the input crank an expression for the ideal mechanical advantage of the crusher is derived
Reduction factor for Double Toggle Blake Jaw crusher is 4 1 9 1 Which one of the following is commonly used as a primary crusher a and b above moves in an elliptical downward motion towards the stationary jaw while crushing a Jaw
The Blake crusher pivots at the top and comes in two forms the double toggle and the single toggle The single toggle is taking over most new applications due to lower cost and higher capacity Donovan 2003 Dimensions and operating parameters of jaw crushers
5 The Terex® Jaques D42 double toggle jaw crushers feature a 1070 x 915 mm 42 x 36" feed opening
of the movable jaw which is controlled by toggle plate and drawback rod Figure 2 shows the components of a single toggle jaw crusher Figure 1a Blake Crusher Figure 1b Dodge Crusher Figure 1c Universal Jaw Crusher Figure 2 Cross section of Nordberg single series jaw crusher [11] Figure 1a Blake crusher Pivot
Jaw crushers include Superior Type "B Blake Fine Reduction and Dodge — sizes 4 by 6 to 84 by 66 inches A reciprocating machine the crushes material in Jaw Crusher Toggle All sizes of crushers feature a three piece toggle plate construction Worn ends may be replaced — no need to discard the entire toggle Bronze toggle ends
A review on the design and operations challenges of a single toggle jaw crusher is presented Strength and fracture toughness of the material to be crushed are intrinsic properties that determine the time and energy required to crush the material Economy of the crushing process is partly dependent on the angle of nip Productivity of the crusher can be improved upon by
Purpose To obtain equations that can be used to describe the motion of any given point in the swing jaw of a single toggle jaw crusher Design/methodology/approach The swing jaw drive mechanism
