The basic concept of radial drilling machine processing
The processing of the radial drilling machine is also called electric discharge machining (He coffee dan l Dis arge Mackmllg referred to as II) M). In the process of machining, pulsed spark discharge is continuously generated between the tool and the workpiece, and the metal is eroded by the local and instantaneous high temperature generated by the discharge.
With the development of industrial production and the advancement of science and technology, many departments, especially the defense department, require cutting-edge technology products to develop in the direction of high temperature, high pressure, high speed and high precision. At present, new materials with high melting point, high hardness, high brittleness, high viscosity, high toughness and high purity are constantly emerging. At the same time, the structure and shape of the parts are becoming more and more complex. This makes it difficult or even impossible to process with traditional machining methods. In order to solve the above problems, people are trying to find new processing methods. The invention of EDM has been adapted to people's needs, so it has been widely used. The main differences between traditional cutting and EDM are shown in Table 8-1. Because EDM has the above advantages over metal cutting, it can process metals of any hardness and strength, and it is more prominent in processing complex and fine parts.