ROAD MILLING DRUM ASSEMBLY AND METHOD OF MILLING

摘要

A mining drum assembly (22) for use in the mining of a substrate that has a drum (26). A plurality of bars (48), each one of the bars has a plurality of laterally-spaced apart mining bit assemblies (38, 56, 58, 60) connected thereto, are affixed to the surface (28) of the drum (26). The bars (48) define first and second regions of discrete bars equi-spaced about the circumference of the drum (26). The bars of the first region being circumferentially and laterally spaced-apart from the bars of the second region.