ABB UNITROL 1010 DC servo motor
The working process of CNC system
(1) Input the machining program, control parameters, and compensation data of the parts into the CNC system.
(2) Decoding and data processing of machining programs.
(3) Interpolation. The motion trajectory is the result of multi axis coordinated motion, and in order to achieve the desired trajectory, it is necessary to control the motion of the relevant axes. The direct method is to determine the motion of each axis in advance, store it in the computer’s memory, and control each axis based on the stored data when reproducing the trajectory. But this means storing a large amount of data, which is not practical in practical applications. In fact, contours or motion trajectories are generally composed of straight lines and arcs, and for some non circular curve contours, straight lines or arcs are used to approximate them. Based on a small amount of basic data (the starting and ending points can uniquely determine a straight line, while the arc only needs to be determined by giving the starting and ending points, radius, and direction), the contour or motion trajectory of the workpiece can be described through calculation, and feed instructions can be issued to each coordinate based on the calculation results. This is the basic idea of interpolation, which means that interpolation calculation is the process in which the CNC system densifies data points between the starting and ending points based on the given curve type (such as straight lines, arcs, or higher-order curves), starting and ending points, and velocity. Of course, there is no interpolation problem with single axis motion.
PLC module, programmable controller, CPU module, IO module, DO module, AI module, DI module, network communication module,
Ethernet module, motion control module, analog input module, analog output module, digital input module, digital output module
Module, redundant module, power module, relay output module, relay input module, processor module.
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