Step hole processing method and processing device

The invention discloses a step hole processing method and a processing device. The method comprises a first processing process which comprises the following steps: determining an XY axis (0.0) point of a to-be-processed workpiece; determining first predetermined height of a tool Z axis according to the XY axis (0.0) point; determining first feeding amount, to the to-be-processed workpiece, of thetool according to the processing position of the to-be-processed workpiece, and processing the to-be-processed workpiece along a Z axis based on first predetermined rotation speed and a first predetermined track; and returning the tool to first predetermined height of the Z axis after processing by first predetermined time. The method does not need to frequently change knives, reduces processing time, guarantees step processing precision, and is suitable for industrial production. 本发明公开了一种台阶孔加工方法及加工装置，方法包括第一加工过程，第一加工过程包括以下步骤，确定待加工工件的XY轴(0.0)点；根据XY轴(0.0)点，确定刀具Z轴的第一预定高度；根据待加工工件的加工位置，确定刀具向待加工工件的第一进给量，以第一预定转速、第一预定轨迹沿Z轴加工待