| 摘要 |
PROBLEM TO BE SOLVED: To provide a vitrified bond super abrasive grain wheel capable of stably exhibiting grinding performance.SOLUTION: There is provided a vitrified bond super abrasive grain wheel 1 having a super abrasive grain layer 13 formed by bonding super abrasive grains 10 with vitrified bonds 20 and 30, wherein the super abrasive grain layer 13 comprises: a first super abrasive grain layer 11 formed by bonding the super abrasive grains 10 with the vitrified bond 20; and a second super abrasive grain layer 12 composed of aggregate super abrasive grains in which the super abrasive grains 10 become clusters with the vitrified bond 30. |
