1.  The roller crusher is widely applied in the industries of mining, building materials, chemical industry, metallurgy, etc. The roller crusher can crush materials with middle hardness or less than middle hardness into secondary or fine granularity, such as crushing mineral, rocks, coke, coal, slag, scoria, and fire-proof material etc.

2. Working Principle of Double Roller Crusher:

The motor drives the fixed roller and movable roller to work via reducer, V-belts and coupling. Materials are put into the space between the two rollers via the feed entrance. As the two rollers do inward turning, the input materials are crushed, squeezed, ground, and at last come out from the bottom of the machine.

3.Double Roller Crusher Features:
1. Compact structure, low noise and efficient;
2. Easy to install and only need simple foundation;
3. Can adjust the pressure and size easily.
4. Self-protection, the parts can not be damaged when hard materials such as the metals goes into the crushing cavity;
5. Low cost maintenance and easy to maintain. 

To choose the appropriate model for you, we need to know the following information: