Blue flame series PCD aluminum alloy cutter disc is used for plane milling of aluminum alloy. The cutter consists of steel cutter clamp and aluminum cutter body, which reduces the weight under the premise of ensuring sufficient rigidity, and the bimetal structure is also reduced. Processing vibration. The elastic tensioning structure of the tool holder ensures that the tool has sufficient rigidity for high-efficiency and high-speed cutting. When the tool holder is replaced, only the axial adjustment is made, no radial adjustment is required, and the adjustment is convenient, the adjustment time is short, and the adjustment precision is high. The axial adjustment deviation can be no more than 0.005mm, and the load on each tooth is evenly distributed during cutting, which effectively extends the tool life; different types of tool holders can be matched with each other to obtain different surface roughness.