It features long service time about 3 years.
It enjoys low cost, adjustable discharge size, convenient maintenance, energy-efficient, environmental protection.
Our double roller sand making machine specializes in crushing hard rock materials. Its rollers crush the material by extrusion without changing the material structure. Its finished sand enjoys pretty shape and meets the sand-making standards of CSCECD.
Double roller sand making machine remains the only high efficiency sand making machine whose powder rate can be controlled artificially with low operation speed and high torsional moment.
Double roller sand making machine is equipped with the hydraulic system which could adjust the pressure between the double rollers according to the hardness of the raw material. And the minimum powder can be controlled within 5%.