Roller sleeve as wearing part of the double roll crusher, crushing the impact on power consumption, yield and quality have a direct. Therefore, in the choice of the roller to select the appropriate roll. So this paper introduces how to choose the roller crusher roller leather material.



High chromium composite roll
The outer layer is made of high chromium alloy lining made of ductile cast iron, mainly used for fine roller mill, the selection of equipment should be equipped with roller grinding machine, to ensure its function and role.
Two, multi alloy wear resistant ductile iron roll
The hardness of the surface layer is HRC50-55, but the internal stress is hard to eliminate completely and the impact resistance is poor. Can be used to lower the hardness of raw materials and the fineness of the fineness of the function.
Three, cast steel outer heap wear-resistant electrode roller sleeve
This kind of roller impact resistance, easy to fix, the whole structure according to the crusher configuration, can complete the raw material crushing, and can satisfy the fineness requirements are not very high under the condition of crushing. The disadvantage is that the surface layer is difficult to ensure the accuracy of the size of the welding process.
Four, gray cast iron roller leather
This kind of material is used in the general ordinary coarse crushing to the roller machine, mainly aims at the. For low value, its widespread use in many small brick factory.
Five, the surface of white cast iron
This kind of material by die casting, surface cooling process in the production, resulting in white cast iron on the surface to increase the surface hardness of the effect. The disadvantage is that the high hardness layer is shallow and the impact resistance is poor, which is mainly used for the rough breaking on the roller machine.