The capacity of jaw crushers is a measure of the mass or volume of crushed material produced in unit time of operation. The capacity is primarily a function of: 1. crusher design characteristics such as width and depth of the crushing chamber, 2. open and closed side settings,

 · The jaw crusher is primarily a compression crusher, while the others operate primarily by the appliion of impact. Design of Jaw Crushers. Jaw crushers are designed to impart an impact on a rock particle placed between a fixed and a moving plate (jaw.

 · The jaw crusher is the first stage in the crushing and screening process, the main purpose of this stage is to crush the rock into a conveyable size. In addition to this, other tasks are also performed such as: Removal of natural fines, soil or other contaminants. Production of coarse products such as road base, sub base, ground base or similar.