超声电解复合微细加工硬质合金试验研究

Experimental Investigation of Combined Ultrasonic and Electrochemical Micro-machining of Cemented Carbide

超声电解复合微细加工工艺具有效率高、精度高、环保安全等优点,在硬质合金材料微结构加工方面具有一定的技术优势和发展潜力。本文阐述了超声电解复合微细加工机理和试验装置,对硬质合金材料进行了多组对比工艺试验,分析了加工电压、进给压力、电解液等加工参数对加工效果的影响,优化了加工参数和加工条件,提高了硬质合金微结构的微细加工精度。

The combined ultrasonic and electrochemical micro-machining technology has many excellences in machining productivity, precision, environmental safety, and also has technical predominance and development potential in aspects of machining micro-structures of cemented carbide. In this paper, the machining mechanism and test device of combined ultrasonic and electrochemical micro-machining is expatiated. Many comparative machining tests of cemented carbide are carried out. The influence of machining parameters such as voltage, feeding force and electrolyte on machining result is analyzed. By optimizing the machining parameters and machining conditions, the mi- cro-machining accuracy of cemented carbide microstructures is increased.