| 摘要 |
The present invention relates to a rotary cutting tool (1) having a cylindrical supporting spindle (2) and a number of individual blades (3) with essentially radial cutting edges ground helically and set at regular intervals around the outer surface of the spindle, each blade (3) comprising a rectilinear base (4) that inserts into a slot (5) of the same shape as said base, and each individual blade (3) being mechanically fixed to the spindle (2), said tool being characterized in that it also comprises two covers (8, 9) fixed to the respective bases (8', 9') of the spindle (2) to reinforce the fixing of the blades (3). |
