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The Classification of Roll Mill Crusher

Oct 30 2014

Roll mill crusher as an essential crushing equipment in the crushing family is valued by crusher manufacturers. They have been built different types of roll mill crushers according to different requirement. This article will introduce you the classification of roll mill crusher from three aspects: bearing, the speed of rollers, and the surface of the rollers.


According to the difference of bearings, roll mill crusher can be divided three types: fixed bearing, single movable bearing, and double movable bearing. The first type has not been used because it is easy damaged by the non-breaking materials. And the last type is not used commonly because its structure is very complex. So the secondary type is the mostly common used.

The speed of rollers

The speed of rollers can be divided into three types fast (4-7.5 m/s), medium, and slow (2-3 m/s). Roll mill crusher with high speed has the highest production efficiency and widest application. The roll mill crusher with slow speed is seldom to use. It is mainly used for crushing sticky materials, and the diameters of the two rollers are different.

The surface of the rollers

There are two types of the surface: smooth and non-smooth. Roll mill crusher with smooth surface is mainly used for grinding materials. It is suitable for medium and fine crushing medium hard materials. The crushing method of the non-smooth roll mill crusher is mainly cutting and crushing methods. It is suitable for coarse and medium crushing brittle and soft ores.

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