| 摘要 |
An abrasive body, typically in the form of a cylinder, comprising an abrasive compact and a core of high rigidity material such as cemented carbide embedded in to the compact, the compact comprising a mass of abrasive particles such as diamond or cubic boron nitride particles, present in an amount of at least 70 percent by volume of the compact, bonded into a hard conglomerate and the body of high rigidity material being located inside the side surface of the compact and extending from the top surface to the bottom surface of the compact. |
