CNC Machining (numericalcontrolmachining), refers to the NC machine tool on the part of the process of processing, CNC machine tool processing and traditional machine tool processing process is consistent in general, but has also undergone significant changes. A machining method for controlling the displacement of parts and tools with digital information. It is an effective way to solve the problem of changeable parts, small quantity, complicated shape, high precision and high efficiency and automatic processing. The controlled actions of the machine include the starting and stopping of the machine, the transformation of the rotation direction and the rotational speed of the spindle, the direction, speed and mode of the feed motion, the choice of the tool, the compensation of the length and radius, the replacement of the tool, the opening and closing of the coolant, etc.
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