| 摘要 |
A screening disk for use on a roller of a roller screen for screening an ore feed is disclosed. The roller screen has a plurality of adjacently located rollers, each adjacently located roller having a plurality of screening disks mounted in spaced apart relation on a shaft, the mounted screening disks being operable to intermesh with mounted screening disks on an adjacent roller of the roller screen to define interstices between respective mounted screening disks for permitting passage of sized ore portions through the roller screen, the screening disk. The screening disk includes a generally cylindrical body having first and second opposing side working surfaces, provisions for engaging the shaft for rotation therewith, and a removable cap disposed circumferentially on the screening disk and extending across the screening disk between the first and second side working surfaces, the cap including an outwardly oriented wear resistant working surface. |
