| 摘要 |
PROBLEM TO BE SOLVED: To provide a disposable engraving cutter blade that has a high performance of cutting and removing a material. ! SOLUTION: An engraving cutter blade of this invention keeps V-shaped symmetric terminals formed at both ends with the V-shaped terminals sandwiched by a right side face 12 and a left side face 13. Two inclining corresponding sides of the V-shaped terminals have chip discharge grooves 14, respectively. The bottom face of the chip discharge groove 14 forms the right side face 12 and a right cut edge 151 by crossing the axis of rotation 100 of an engraving cutter blade 10 to form the left side face 13 and a left cut edge 152. Thus, an engraving cutter blade having at least two cutting edges is formed. ! COPYRIGHT: (C)2015,JPO&INPIT |
