| 摘要 |
PURPOSE: Provided is an aggregate crusher which continuously crushes the aggregate three times so that it helps to raise efficiency in crushing the aggregate. CONSTITUTION: The aggregate crusher is characterized by comprising the parts of: an aggregate crushing part(1) having plural crushing rollers(13,13A,13B,13C), in which a first and a second roller are formed as one set at upper side and a third and a fourth roller are formed as one set at lower side; an aggregate supply part(2); a grounding point A(13D) which is formed between the first and the second roller; a grounding point C(13F) which is formed between the third and the fourth roller; and a grounding point B(13E) which is formed between the first and the fourth roller.
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