Counterattack palte is an imporyant compenont of impact crusher. Counterattack plate stands the impact of the material, so that the material broken by the impact and the impact of broken material to re-bounce impact area, again the impact of fragmentation.
Many different types of counterattack plate , there are mansard counterattack plate and the arc counterattack plate . Broken line in the back plate back side to make the points are based on the material impact of near-vertical direction, so get the best of the crushing effect. Arc-shaped material block from the back side can bounce back plate came out, in the center area of ?the impact of the formation of intense crush zone to increase the impact of the crushing effect of free materials.
Welded steel plate back into general use, the back surface with wear-resistant lining, can also be counter-roller or the grate plates. Back seam with a grate surface content of fine particles less of their products, equipment, production capacity can be increased, power consumption province, but the structure is complex , it is difficult to replace the counter-surface wear, and it wears fast.