| 摘要 |
A vibratory crusher and method of operation are disclosed wherein an elongated mandrel has a rotatable shaft extending along its axis with eccentric masses mounted in balanced and opposed offset relation on opposite ends of the shaft, the mandrel being supported in a manner permitting floating gyratory motion of its ends which are arranged in spaced apart relation within first and second relatively fixed reaction collars or cones, the shaft being driven in rotation whereby the eccentric masses cause the ends of the mandrel to gyrate relative to the reaction collars or cones for producing a vibratory crushing effect therebetween.
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