4PGC-1200四辊破碎机是目前国内最大的四齿辊破碎机,由中国矿业大学和西北煤机一厂联合研制,中国统配煤矿总公司技术发展局已于5月14日主持通过了技术鉴定,定型批量生产。该机破碎上辊直径450mm,采用鹰嘴齿形;下辊直径400mm,采用槽齿。辊长1200mm,在齿尖上堆焊了硬质碳化钨耐磨材料。上辊与下辊无机械联 4PGC-1200 four-roll crusher is currently the largest four-tooth roller crusher, by the China University of Mining and Northwest Coal Factory a joint development, the China General Coal Mine Technology Development Agency has presided over the technology on May 14 Identification, stereotypes mass production. The machine broken on the roll diameter 450mm, the use of olecranon tooth shape; the next roll diameter 400mm, the use of trough teeth. Roller length 1200mm, hard tooth tungsten carbide wear-resistant materials on the tip. The upper roller and the lower roller have no mechanical connection