For the stone in nature, its price depends on its existence form. Before being developed, its value is negligible, but after different degrees of fragmentation, its value doubles. Nowadays, stone crushing is more and more widely used. Everyone knows that the softer the stone, the easier it will be. Materials like limestone, granite and other commonly used materials, but hard materials like cobblestone, basalt, etc. will be difficult to crush. Good, stronger and more expensive. Therefore, the hard rock crushing has considerable profits, and small hard rock crushers are favored by many small and medium-sized stone factories because of their low investment and fast returns.
There are many types of small hard rock crushers, which can be divided into coarse crushing and fine crushing according to their crushing granularity. They are different in type, different in model, and 'character'.
1, simple and rough type-jaw break
The output of small Aggregate Crushing Machine is 1-240t / h. The commonly used models are PE400 * 600 jaw crusher, PE600 * 900 jaw crusher, and HD72 jaw crusher. It is used for coarse crushing of materials. It belongs to 'simple and rough' type, big hard rock. After it instantly turns into a 'small stone', it is the 'big brother' of the stone factory. The stone production line is generally indispensable. Because of its earlier appearance, after continuous upgrading, its performance is better, and more importantly, It is cheap and has a low failure rate.
2, patient and meticulous-counterattack
The counterattack volume of the small model is between 30-280t / h. The models with good sales volume are PF1210, PF1214, HD1315, etc. Generally, the hard rock crusher refers to it. It belongs to the 'patient and meticulous' type, and the broken material The grain shape is good, more uniform, and runs smoothly, safely and reliably.