Background

equation of motion of a jaw crusher

® C Series™ jaw crushers - Outotec

® C Series™ jaw crushers have an aggressive motion of the pitman and long stroke in the bottom of the cavity. A larger feed opening increases material intake and ensures that the rocks enter the jaw crusher's cavity without restrictions.

Prediction Model for Liner Wear Considering the Motion ...

A generic model to explore the relationship between the parameters of cone crusher and liner wear is provided in this paper. Relative slide and squeezing between material and liner are considered based on the operating conditions, structure parameters, and material properties. The sliding distance of the material under different conditions is discussed.

What Are Jaw Crushers and How Do They Work? - OreFlow

The single-toggle jaw crusher has less shafts and bearings compared to double-toggle jaw crushers. Only one toggle goes from the bottom of the swinging jaw back to the fixed point. Double-toggle jaw crushers. In a double …

Jaw Crusher - an overview | ScienceDirect Topics

For a jaw crusher the thickness of the largest particle should not normally exceed 80–85% of the gape. Assuming in this case the largest particle to be crushed is 85% of the gape, then the gape of the crusher should be = 45.7/0.85 = 53.6 cm and for a shape factor of 1.7, the width should be = 45.7 × 1.7 = 78 cm.

Abstract— Keywords IJSER

Jaw crusher movement is guid-ed by pivoting one end of the swinging jaw. and an eccentric motion located at the opposite end [4]. 1.3 Different Types of Jaw Crusher . According to the amplitude of motion of the moving face; Jaw crusher are classified as follows:- 1.3.1 Blake Type Jaw Crusher . Blake type jaw crusher, primary crushers in the mineral

Small Scale Mechanized Stone Crusher, Mechanical Design

jaw crusher that employs the simple technology of a four bar mechanism, and design a small scale mechanized jaw crusher for crushing the stones into aggregates. This mechanism will help to evaluate its effectiveness in comparison with other different types of mechanisms in use especially the double toggle and the modified single toggle mechanism.

Capacities and performance characteristics of jaw crushers

The equation for capacity The volumeof material (V) that passes through the crusher bottom opening per stroke is given by: If the machine is run at low speeds, the movement of the jaw allows sufficient time for the material to fall through under gravity, with the distance of fall depending on the geometry of the machine.

Jaw Crusher With Different Models -

Application fields. The jaw crusher is a kind of early crushing device. With simple and firm structure, reliable operation, easy maintenance and service and relatively low costs in production and construction, jaw crusher is still widely …

Analysis of the single toggle jaw crusher kinematics ...

Purpose – This paper aims 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 of a single toggle jaw crusher is modelled as a planar crank and rocker mechanism with the swing jaw as the coupler link.

Jaw crusher with compound motion of jaw

Jaw crusher with complex motion of the jaw works as follows. Glass is laid into the loading hole PU is eat overcoming the elastic resistance of the spring-loaded valves 9, interacting with the lugs 10, and enters the crushing chamber for crushing. Turns on the drive. During the rotation of the drive crank arm 4 pivotally associated with the ...

Comparison between bond crushing energy and ... - SciELO

determine the applied energy in a jaw crusher, a PFC3D model of a jaw crusher was developed. This model is a single macro-particle simulation in a crusher, and multi-body interactions are ignored. The crushing process for a single cubic and/or a single spherical rock in the jaw crusher is simulated using the PFC3D model.

How do you calculate jaw crusher capacity ...

A jaw crusher in which the motion of the eccentric shaft is transmitted through the pitman to a toggle joint, formed by two toggle plates hinged together, at its lower end. The opposite end of one plate is hinged on the back plate and the opposite end …

(PDF) Analysis of the Single Toggle Jaw Crusher Kinematics

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. …

Study on Liner wear in Single Toggle Jaw Crushers: A …

jaw crusher was three to six times more than the wear that occurs due to squeezing. However, the authors failed to devise a solution to the wear problem. According to Deepak [15], the key factor for jaw plate wear is the sliding motion between the moving/fixed jaw liner and the crushed particles. The author outlined that the horizontal

OPTIMAL NUMBER OF REVOLUTION THE ECCENTRIC …

The paper analyzes forces acting on a piece of raw material in a jaw crusher with a simple motion of the moving jaw, and based on this defines the formula to define the optimal number of revolutions the eccentric shaft. Under the optimum number of revolution the eccentric shaft, the number of revolutions is assumed to ensure that the crusher ...

Analysis of the single toggle jaw crusher kinematics ...

Purpose. – This paper aims 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 of a single toggle jaw crusher is modelled as a planar crank and rocker mechanism with the swing jaw as the coupler link.

Analysis of the single toggle jaw crusher kinematics ...

– This paper aims 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., – The swing jaw drive mechanism of a single toggle jaw crusher is modelled as a planar crank and rocker mechanism with the swing jaw as the coupler link. Starting with the vector loop closure equation for the mechanism, …

Estimate Jaw Crusher Capacity

W is inner width of crusher, m; S is open side setting, m; s is jaw throw, m; a is the nip angle; k is a material factor, 1.5 to 2.0 (includes your epsilon …

The Optimization of Jaw Crusher with Complex Motion …

The complex motion jaw crusher is a concrete application -bar mechanism, so the transmission angle decide the efficiency of the jaw crusher. If the transmission angle is small, the efficiency of jaw crusher will be poor. So the transmission angle should be constrained to ensure the efficiency of crusher.

Jaw Crusher Simulation - Rocky DEM - Discrete Element …

Motion can be predefined or not, like in projects with a free degree of motion (when the movement depends on the interactions with your surroundings). The movement in a jaw crusher may be challenging to prescribe and set up, but the developed motion kernel in Rocky DEM allows you to build a model.

Assessing the energy efficiency of a jaw crusher ...

As the equation for calculating the efficiency of a jaw crusher is a six variable equation set, the results visualization represents no easy task. It was found that the configuration of the optimum jaw crusher is not constrained by the material, but this optimum will give a different total power efficiency value ( η Power Total ) depending on ...

Analysis of the Single Toggle Jaw Crusher Force ...

From the data in Table 1, it follows, to good approximation, that and .We shall adopt these data as we proceed. By substituting the data given in Table 1, into equation (), the following is obtained: Equation can be used to determine values of for any given value of, which represents the input motion.. In the cycle of motion of the single toggle jaw crusher mechanism, two phases, known …

Journal of Engineering, Design and Technology

Journal of Engineering, Design and Technology Analysis of the single toggle jaw crusher kinematics Moses Frank Oduori Stephen Mwenje Mutuli David Masinde Munyasi

Analysis of the single toggle jaw crusher kinematics

Abstract. Purpose – This paper aims 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 of a single toggle jaw crusher is modelled as a planar crank and rocker mechanism with the swing jaw as the coupler link.

Tips to maximize crushing efficiency - Pit & Quarry

Additionally, jaw crusher feed should be pre-screened using a grizzly screen prior to crushing to remove material finer than the closed-side setting. Setting jaw crushers. Ideally, the reduction ratio of a jaw crusher should be 6-to-1. There are different ways to calculate reduction ratio, but the best way is something called the P80 factor.

The kinematics and mechanical advantage of the double ...

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.

Analysis of the Single Toggle Jaw Crusher Kinematics

The crushing action of a jaw crusher is brought about by the motion of its swing jaw and the forces that it exerts on the material being crushed (Gupta and Yan, 2006; Pennsylvania Crusher ...

Design and Construction of Rock Crushing Machine from ...

functioning Jaw crusher. Most of these components are discussed below. Moveable jaw stock The moveable jaw stock 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. It achieves its movement through the eccentric movement of the crusher main shaft. It is the back and