PCD (Polycrystalline Diamond) cutter bar

The utility model discloses a PCD (Polycrystalline Diamond) cutter bar. The PCD cutter bar comprises a bar part and a clamping part; the bar part is provided with a plurality of edge cutting surfaces and axial guide bars; the plurality of edge cutting surfaces penetrate from the front end to the rear end and are interlaced at the peripheral surface of the whole ring; the axial guide bars are formed among the edge cutting surfaces; the edge cutting surface and the axial guide bars are stretched along the axial direction of the bar part; the bar part is further provided with a PCD blade installing groove and an end part guide strip; the PCD blade installing groove is arranged at part of the peripheral surface of the front end; the end part guide strip is distributed on the other part of the peripheral surface of the front end; the PCD blade installing groove is provided with a blade cooling hole; the end part guide strip is stretched along the axial direction around the bar part; and the rear end of the bar par