Four-roll crusher

Detailed introduction of the product:
1.Introduction:
Roll crusher has simple structure, reliable operation, low cost, widely used in small and medium-sized factories and mines, and make the intermediate crushing and fine crushing about the brittle and toughness of the hard and soft ores such as coal and coke.
2. Working principle:
Broken materials are feeding into two rolls by way of charging opening; relying on the effect of the friction, the materials were brought into the clearances of the rolls and gradually crushed. Finished materials leak out from the lower of the crusher. When the materials are too hard to broken, the roll can automatically increase the rolls’ clearance by hydraulic cylinder or spring effects to force the materials fall so as to protect the machine. The largest particle size of the product can be controlled by changing the clearances that between the two opposite turning rolls.
3. The main structure:
Roll crusher mainly composed by the transmission parts, frame parts, dancer roll parts, fixed roll parts, free bearing parts, cutting parts and shield parts etc.