| 摘要 |
The invention relates to a rotating spindle tool (1) comprising a spindle part that contains a cooling lubricant channel (8) running axially through said part and a cutting head (4) comprising blades and grooves (6). The cutting head has a groove exit region (7) that is axially connected to the spindle part, the grooves (6) of said groove exit region (7) opening into the cooling lubricant channel (8). According to the invention, the cooling lubricant channel (8) comprises a cross-section that remains essentially constant up to the grooves (6). |
