| 摘要 |
Disclosed herein is a groove processing apparatus of processing a groove having a triangular cross section in a side of a plate material, the groove processing apparatus including: a cutting member cutting the side of the plate material; a first driving part moving the cutting member to first and second positions; and a second driving part moving the cutting member in groove processing directions of the plate material, wherein the first position corresponds to any one of the two sides of the triangular shape having the same vertex and the second position corresponds to the other thereof, the vertex being positioned inside the plate material. |
