A real-time optimization control system and control method of ultrasonic composite electrical machining technology

Abstract

The invention discloses ultrasonic combined electric machining technology real-time optimizing control system and a control method thereof. An ultrasonic power supply is connected with a first current sensor and a transducer, a computer is connected with a synchronous data acquisition card, and the synchronous data acquisition card collects all machining parameter data, acquired by the first current sensor, a voltage sensor, a second current sensor and a laser micro displacement sensor probe, of a machining workpiece; the machining workpiece is placed on a magnetic levitation workbench, a tool electrode is fixed on the lower end face of an amplitude changing rod, the upper end of the amplitude changing rod is connected with the transducer, the positive electrode of a pulse power supply is connected with a synchronous chopper which receives chopping control signals given by a laser micro displacement sensor controller, the synchronous chopper is connected with the machining workpiece, working liquid is filled between the machining workpiece and the electrode, the electrode is connected with the second current sensor through a current-limiting resistor, the second current sensor is connected with the negative electrode of the pulse power supply, and the voltage sensor is connected with the output end of the pulse power supply. The ultrasonic combined electric machining technology real-time optimizing control system and the control method thereof have the advantages of being capable of obtaining vibration displacement, temperature, and voltage state parameters in real time.

Description

technical field [0001] The invention belongs to the technical field of composite precision and micro special processing, and relates to a real-time optimization control system and a control method of ultrasonic composite electric processing technology. Background technique [0002] Difficult-to-machine materials (such as electronic ceramics, high-temperature alloys, hard alloys, etc.), special-shaped surfaces (such as three-dimensional curved surfaces, special-shaped holes, etc.) Technology and engineering are applied to an integrated science and technology system, which has become a research hotspot in manufacturing science and an important means for the competing research and development of various technologies. [0003] Due to the special mechanical properties (high hardness, high strength, high brittleness, etc.) and special geometric characteristics of difficult-to-machine materials and special-shaped parts, ordinary machining and CNC cutting are not economical and effe...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a real-time optimization control system for processing parameters of ultrasonic composite electric processing technology, which solves the problem that in the processing process, as the processing depth and area increase, the stability of the processing process is difficult to maintain continuously, and the processing efficiency and precision falling problem

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