Hydraulic vs. Shim-Adjust Jaw Crushers: Which Is Right For …
Jaw Crushers are a popular choice for the primary crushing of a variety of materials, including hard, abrasive and non-friable materials that may be wet but are not sticky.. Crushing of the material takes place between a stationary and moving or swing jaw plate. The swing jaw plate is mounted on a pitman, which is given a reciprocating motion.