| 摘要 |
PROBLEM TO BE SOLVED: To provide a crusher for certainly keeping the filling amount of materials in the crusher to a predetermined value. SOLUTION: The crusher for crushing the material to be crushed supplied from a feeder, has a threshold value setting means for setting the threshold value of the load of the actuator for driving the crusher, and a controller for restricting the speed of the feeder when the detected load of the actuator is larger than the threshold value set by the threshold value setting means.
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