可调节的偏心重锤经马达驱动传达到主轴中心线，在不平稳状态下，产生离心力，使物料强度改变在筛内形成轨道旋涡。
The adjustable eccentric weight can drive to the Central Line of main shaft through motor. Under the unstable state, it produces centrifugal force that makes raw material form vortex in the sieve.
广泛运用于矿山、冶炼、建材、公路、铁路、水利和化学工业等众多部门，破碎抗压强度不超过320兆帕的各种物料。
It is widely used in mining, metallurgy, construction material, highway, railway, water conservancy and chemical industries for crushing various materials with compression strength less than 320 MPa.
前者主要与物料表面含水率、环境风速等关系密切，后者主要与作业落差，装卸强度等相关联。
The former mainly and material surface moisture, wind speed and so close, the latter mainly with operating gap, loading and unloading strength associated.
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