碎石机按照大类可分为医用碎石机和矿业碎石机。矿业碎石机原理上适应于海量矿山硬岩破碎，其典型花岗岩出料粒度≤40mm占90%，该机能处理边长100～500毫米以下物料。

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enzhis.37ix.com.cngravel crusher can be divided into medical gravel crusher and mining gravel crusher. Mining gravel crusher is adapted to massive hard rock fragmentation in principle. Its typical granite discharged grain size is less than 40 mm, accounting for 90%. It can handle materials with side length less than 100-500 mm.

其抗压强度最高可达350兆帕，具有破碎比大，破碎后物料呈立方体颗粒等优点。矿业碎石机械是指排料中粒度大于三毫米的含量占总排料量50%以上的粉碎机械。
Its compressive strength can reach up to 350 MPa, which has the advantages of large crushing ratio and cubic particles after crushing. Mining stone crushing machinery refers to the crushing machinery whose grain size is greater than 3 mm, which accounts for more than 50% of the total discharge.