在韧性的难加工金属和合金上用丝锥攻内螺纹时,合理地把超声频振动传给工具,可提高劳动生产率、改善螺纹质量和减少工具消耗。 苏联列宁格勤一电加工单位为加工M2～M5螺孔,在系列产品2054M型螺纹加工机床上装上了-412型专用攻丝动力头和超声波振荡器。在机床床身1(图1)窗口内的两个角钢上固定着功率为0.2千瓦、工作频率为22±1.65千赫的振荡器2。超声头9装在机床攻丝动力头10上,以使机床动力头主轴的旋转运动传给超声头的主轴和丝锥。冷却液由机床冷却泵沿软管7和8经主轴腔供给磁致伸缩变换器以使其冷却。振荡器用电缆12和13向变换器供电,用电缆11向机床电机供电。 Taps on tough, difficult-to-machine metals and alloys to properly pass ultrasonic vibrations to tools increase labor productivity, improve thread quality and reduce tool consumption. Soviet Lenin Geqin an electrical processing unit for the processing of M2 ~ M5 screw hole in the series of 2054M-type thread processing machine mounted -412-type special tapping power head and ultrasonic oscillator. Oscillator 2 with a power of 0.2 kilowatts and an operating frequency of 22 ± 1.65 kilohertz was mounted on the two angles in the window of machine bed 1 (Fig. 1). Ultrasonic head 9 mounted on the machine tool tapping power head 10, so that the rotary motion of the power head spindle of the machine to the ultrasonic head spindle and tap. Coolant is supplied by the machine coolant pump to the magnetostrictive converter via hoses 7 and 8 via the spindle housing for cooling. The oscillator supplies power to the converter using cables 12 and 13, and the machine motor is powered by cable 11.