| 摘要 |
The invention relates to a method for producing a drill ring (21) for a core drill bit, comprising the steps of: - constructing at least two green parts from encapsulated diamond particles, said diamond particles being covered by a powder mixture, - forming the green parts to ring segments (22.1, 22.2, 23.1, 23.2) under the effect of pressure, and - assembling the ring segments (22.1, 22.2, 23.1, 23.2) to a ring and sintering them to a continuous drill ring (21) by applying heat. |
