论文部分内容阅读
1984年,佛罗里达采石工业公司的福雷斯特帕克采石场,安装了一台Allis-Chalmers 4265型旋回破碎机,产量提高了50％,但很快发现采场用5.5码~3液压铲和35吨Cat769-C型汽车已不能满足破碎机生产能力的要求。在对两台小型破碎机和一台大型破碎机进行成本分析后,决定选用一台大
In 1984, the Forrester Quarry at Florida Quarry installed a Allis-Chalmers 4265 gyratory crusher to increase production by 50% but quickly found the stope with a 5.5-yd3 hydraulic shovel And 35 tons Cat769-C-type car has been unable to meet the crusher production capacity requirements. In the two small crusher and a large crusher after cost analysis, decided to use a large