By virtue of the eccentric turning of inner cone, raw materials are crushed under forces of bend and extrusion.  is suitable to crush hard materials with weaker corrosiveness, while not suitable to crush wet and sticky materials. In general, you should fill the distance between adjusting ring and fixed cone with pad.

To ensure the firm concert between adjusting ring and fixed cone, pad used should be zinc alloy. While, to use the zinc alloy as packing medium has some disadvantages. At first, cost of zine ally is indeed high. Secondly, it is quite difficult to dismantle the iron liner if being overdue. The only way for dismantlement is to use the air gun for cutting.

As a result, the adjusting ring is easy to be damaged. Thirdly, if being melted into solutions, the zinc alloy will harm the operators of cone crushers. Roller crusher is made of devices like roller, axial bearing, hold down gag, control apparatus and driving gear. As to the working principle of roller crusher, the following content will discuss about it.