| 摘要 |
A contact wheel for abrasive belt grinding, comprising a wheel-shaped metal body and a pneumatic contact ring inside of which there is a ring-shaped air chamber, the pneumatic contact ring having at least one vent with a non-return valve, wherein in the outside wall of the pneumatic contact ring (3) there is positioned a thin-walled ring (6) in the form of a cylinder, the said outside wall being the peripheral part of the ring (3).<IMAGE>
|
