Design Optimization and Analysis of Swing Jaw Plate of a Single Toggle Jaw Crusher

Abstract

Jaw crusher is a type of size reducing machine that is widely used in areas of minerals, aggregates
and metallurgy. The performance of the crusher on the jaw is mainly determined by the kinematic
properties of the vibrating jaw during the grinding process. The practical kinematic characteristic of
the points along the oscillating cheek plate is calculated and discussed. On the basis of the analysis of
the movement of the coating and the grinding parameters, the force distribution along the plate of the
oscillating jaw is achieved. The work is useful for a new prototype design of this type of machine in
frame optimization, and new chamber design of the jaw crusher. The interaction between the toggle
plates and the material particles brings inevitable and serious wear of the shoe plates during the
operation of the jaw crusher, which not only reduces the efficiency, but also increases the cost and
consumption of the jaw crusher. The results of the kinematic analysis of the mobile jaw and the
analysis of the distribution of the grinding force, the wear of the jaw plates on the macroscopic level
are analyzed. It is useful to design the crusher to improve performance. The efforts to reduce the
energy consumed during combination have made it possible to reduce the weight of the vibrating
plate of the jaw crushers. The design of a lighter brittle crusher requires a more accurate billing of
stresses and deflections in the sanding plates than is available in the conventional art. The design of
the oscillating cheek plate is made with CAD, i.e. the cheek plate was modeled with CATIAV5R16 in
solid state. FEA is applied to the mounting of the mounted jaw plate and to the lever to optimize the
width and position of the lever plate along the rocker arm. The different behavioral comparisons of
the oscillating jaw plates, calculated with traditional and new FEA failure models with
reinforcements, show that a saving of 24% plate weight is possible.