PCBN 焊接式车刀 型号 主偏角Kr 切削 刃长s 尺寸（mm） 备注 90 75 60 45 切槽 <5 5-8 H B L PCBN-Kr H×B×L (S= ) ● ● ● ● ● ● ● 10 10 80 材质分进口与国产 ● ● ● ● ● ● ● 12 12 100 ● ● ● ● ● ● ● 16 16 130 ● ● ● ● ● ● ● 20 20 150