【摘要】 针对直径0.6 mm以上高温合金孔研究了基于道威棱镜旋切头的旋切光束逐层扫描加工工艺。通过试验研究了反射镜偏移量、棱镜角度和旋切电机转速等旋切头相关参数，激光脉冲频率和功率，以及切缝宽度、圆周扫描速度和圆周扫描半径间隔等机床运动参数对孔径和孔加工质量的影响。通过选择合适的切缝宽度、圆周扫描速度和圆周扫描半径间隔实现了高温合金孔的高质量加工，孔口表面几乎无烧蚀显色。旋切光束两步逐层扫描法可显著提高孔口加工质量，减少孔边毛刺，显著提高孔口圆度，并可获得锥度为0°的深直孔。更多还原

【Abstract】 This article in view of the diameter of 0.6 mm above the high temperature alloy hole was studied based on dove prism rotary cutting head whirling beam scanning process step by step. The effects of the parameters of the rotary head, such as mirror offset, prism Angle and rotary motor speed, laser pulse frequency and power, slit width, circular scanning speed and circular scanning radius interval on the aperture and hole machining quality were studied. By selecting suitable slit width, circumference scanning speed and circumference scanning radius interval, high quality machining of superalloy holes is realized, and there is almost no ablative color development on the surface of the holes. The two-step layer-by-layer scanning method can significantly improve the machining quality of the hole, reduce the burrs on the edge of the hole, significantly improve the roundness of the hole, and obtain a deep straight hole with a taper of 0°.更多还原