With the rapid development of microelectronics, computers, software and other technologies, the Disc Type Special Machine control system is becoming more and more miniaturized and functional, the self-diagnosis function is perfect, the reliability has been greatly improved, and the CNC system itself will realize automatic programming. Disc Type Special Machine is a mechatronics machining equipment that controls the machine tool according to the given motion trajectory through digital information. The main work flow of CNC machine tools is as follows:

1, processing programming: processing programming methods are generally divided into manual programming and automatic programming.

2, program input: according to the CNC machine tool input equipment is different, the input method of processing program is also different. There are two kinds of reading process of CNC equipment: reading while processing, using intermittent operation mode; Another method is to read all the processing program into the memory inside the CNC device, and then adjust it from the memory during the processing.

3, trajectory interpolation calculation: the processing program is input into the CNC equipment, and a series of processing calculations are completed by the control software. The calculation result is output to the servo system through the pulse signal.

The parts are composed of straight lines, arcs or other curves, so the CNC machine tool must move according to the shape and size requirements of the parts, that is, according to the graphical trajectory. The so-called trajectory interpolation is to densify the data points between the starting point and the end point coordinates of the straight line segment, and the horizontal machining center gets the coordinates of a series of intermediate points, and then outputs the pulse signal to the corresponding coordinates.

4. Servo system control and machine tool processing: After the interpolation pulse signal output of CNC equipment is converted by signal and amplified by power, the servo motor and mechanical transmission mechanism drive the machine tool executive mechanism to drive the tool processing to meet the requirements of the drawing.

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