The invention discloses an R-L longitudinal bending composite vibration special-shaped
hole punching system. According to the R-L longitudinal bending composite vibration special-shaped hole punchingsystem, an R-L composite vibration disc and a longitudinal bending composite
vibration amplitude-change pole are arranged, a plurality of vibration transducers are arranged on an outer ring of the vibration disc, and the transducers are driven by a high-frequency power source to generate vibration; the vibration energy of the multiple transducers is gathered through the R-L composite vibration disc and converted into
longitudinal vibration, the
longitudinal vibration amplitude is amplified through the longitudinal
bending vibration amplitude-change pole, the
longitudinal vibration is convertedinto longitudinal bending composite vibration, and the tool head is driven to act the composite vibration on a workpiece. Meanwhile, in combination with the feeding motion of the
machine tool platform, the rapid forming of a special-shaped hole is achieved. Due to the fact that the vibration of the high-frequency
energy converter can reach a
very high frequency, the forming efficiency of the special-shaped hole can be effectively improved. Simultaneously, through the electromechanical control, the main device of the R-L longitudinal bending composite vibration special-shaped
hole punching system can generate longitudinal bending alternating vibration rotating around the axis on the premise of no main shaft rotation, a
punching tool head with a complex section shape can be normally pushedinto a workpiece in the feeding direction of a
machine tool, the
machining efficiency is further improved, and the
machining difficulty of the complex special-shaped hole is reduced. Therefore, compared with a traditional special-shaped hole rotary
punching forming device, the R-L longitudinal bending composite vibration special-shaped
hole punching system has the advantages that the structure isgreatly simplified, the adaptability is higher, and the cost is further reduced.