Polishing drum for polishing the edges of semi-conductor disks connects to a device for rounding off edges by grinding while using a drum main body, a drum holder, a drum cover with a seal and a drum jacket to hold a polishing cloth.

摘要

A polishing drum (1) has a drum main body, a drum holder, a drum cover with a seal and a drum jacket (2) to hold a polishing cloth. The drum jacket is made from aluminium and has a ceramic and aluminium oxide coating. The polishing drum has a nylon jacket.