Crushing Cavity Design Problems of Jaw Crusher

Crushing cavity of Jaw Crusher is composed of moving jaw, fixed jaw and wall lining on both sides. Crushing cavity shape is determined by feeding size, bite angle, arrangement of moving jaw, fixed jaw and wall lining on both sides of the crusher, vertical and horizontal cross section shape of liners and other factors.

Crushing cavity of jaw crusher will directly impact main economic indicators of jaw crusher, such as productivity, energy consumption, liners and particle size composition, grain shape, service life and so on, so it deserves the attention of scholars at home and abroad, and a lot of research work has been done for it.

With the development of jaw crusher, especially in recent years, the raise of “more crushing and less grinding”, “growing crushing ratio”, “improving product quality”, whether the designing of new crusher, or transformation, design the best crushing cavity of existing old Crusher tapping is very useful work.

According to productivity along the Jaw Crusher crushing cavity height curves along the productivity of crushing cavity height section, from feeding to the nesting population decreasing, and discharge gate there is a minimum productivity, so this place is blocked.

In order to get the best crushing cavity, bite angle can be used to design crushing cavity, and bite angle is gradually increasing from the discharging port to feed port, but must guarantee the material Inlet value is less than that of the limit of peritoneal macrophages. In addition, in order to repeat use the liner, both ends should be made of symmetries.

In short, when designing crushing cavity of a Jaw Crusher, manufacturers should strive to meet the requirements: increased production, liner wear pattern, trying to extend the life of liners, rational determination of crushing cavity height, weight reduction, etc.