为了保证键槽对孔的轴线对称度，我厂设计制造了图1、图2所示的插削内孔键糟的定位和对刀装置。经生产实践证明，效果较好。图1所示的插削内孔键糟的定位与对刀装置适用于以外圆为定位基准的工件，A为校正基准面，b为对刀槽，C为定位V形槽，D为工件。图2所示的定位与对刀装置用 In order to ensure the symmetry of the keyway on the axis of the hole, I design and manufacture of the factory in Figure 1, Figure 2 shows the insert hole bad positioning and the knife device. Proved by the production practice, the effect is better. Figure 1 shows the insert hole bad positioning and tool alignment device is suitable for the positioning of the workpiece as a cylindrical base, A is the calibration datum, b for the knife groove, C for the positioning V-groove, D for the workpiece. Figure 2 shows the positioning and the knife device