西德图意斯堡(Duisburg)Esch公司向利比里亚的一个金属矿破碎厂提供了世界最大的旋回破碎机。这是一台63″破碎机,其破碎口宽度为1 600毫米,破碎口直径为4.4米。破碎机的结构高度为10米,重430吨,它的动力是600马力电动机,经液压联轴节传动。装在上部滚珠轴承中的液压机构,可将重约100吨的 Esch, Duisburg, West Germany, has supplied the world’s largest gyratory crusher to a metal ore crusher in Liberia. This is a 63′′ crusher with a crushing port width of 1 600 mm and a crushing port diameter of 4.4 m. The crusher has a structural height of 10 m and weighs 430 tons. Its power is a 600 hp electric motor and is hydraulically coupled. Section transmission, the hydraulic mechanism installed in the upper ball bearing can weigh about 100 tons