Some of the ore in the first crushing chamber crushed to a certain size, after a back plate and the gap between the rotor and crushing chamber to the second row, continue to be hit repeatedly until the particle size becomes smaller after the bottom row of ore from the crusher discharge port . .
May 13, 2019· Jaw crusher considerations An annual radial clearance check of the main frame bearing should be recorded to track bearing wear. The minimum discharge setting should not exceed full load amps. Do not crush oversize material against the barrel of the jaw. That area is not considered part of the crushing chamber.