Easy stroke adjustment for GP300 cone crushers

(Web Magazine 2007)

Metso Minerals now offers externally adjustable strokes for its Nordberg GP300 and GP300S cone crushers.This tecnology make it possible an easy changing of eccentric bushing positions without dismantling the crusher.

Traditionally, stroke adjustment in a cone crusher has not been used to optimize production in crushing plants. This is mainly due to the difficulty in accessing the eccentric bushing, as the top frame and main shaft need to be dismantled. However, the stroke influences cone crusher performance in several significant ways. Not least among these is that in varying operational conditions, choosing the right stroke (larger/smaller) provides an opportunity to maximize the end-product capacity and product shape with the GP300 and GP300S cone crushers.