| 摘要 |
The present invention relates to a chipper knife of an indexable insert type for chippers. The chipper knife has a generally flat body and comprises two opposite main surfaces (13, 13') which are adapted to abut and be retained against seat surfaces of a holder (3, 4) on the tool, two cutting edges (12, 12') which are each formed by single or double bevelling from one main surface and from both of the main surfaces, respectively, and means for preventing the chipper knife from being pressed into and extracted from the knife holder. The main surfaces (13, 13') of the chipper knife are each composed of two substantially plane partial surfaces (14, 14'), the planes of which are relatively offset to form a stepped edge (15) which extends on each main surface and parallel to the cutting edges. The invention also relates to a holder for such chipper knives. |
