| 摘要 |
PROBLEM TO BE SOLVED: To provide a grinding wheel that cleans a grinding chamber of a grinding device to prevent grinding chips from adhering to a surface to be ground of a workpiece, and to provide a method for cleaning the cleaning chamber.SOLUTION: A grinding wheel 5 includes a ring-shape base 50 disposing a grinding stone 60 in a ring-shape at the lower surface thereof and having multiple through-holes 58, 59 penetrating through an inside surface 56 and an outside surface 57 in a radial direction and provided in a circumferential direction for discharging grinding water. The through-holes are arranged at predetermined intervals in the circumferential direction and formed so as to scatter the grinding water in different directions. |
