| 摘要 |
A device (1) for holding a tool (3), and the device (1) has a cavity (2) for the tool (3) and at least two channels (8) designed to allow the passage of a lubricant. Each channel has an inlet opening (7) and an outlet opening (8) for the lubricant. The at least two channels (8) are helically formed around the bore (2) and have a cross-section which increases in size from the Inlet opening (7) to the outlet opening (8). |
