大连数控加工是指，由控制系统发出指令使刀具作切合要求的种种运动，以数字和字母形式体现工件的形状和尺寸等技术要求和加工工艺要求进行的加工。它泛指在数控机床上进行零件加工的工艺历程。
数控机床是一种用盘算机来控制的机床，用来控制机床的盘算机，不管是专用盘算机、照旧通用盘算机都统称为数控系统。数控机床的运动和辅助行动均受控于数控系统发出的指令。而数控系统的指令是由程序员凭据工件的材质、加工要求、机床的特性和系统所划定的指令花样（数控语言或符号）体例的。数控系统凭据程序指令向伺打扮置和其它功效部件发出运行或终断信息来控制机床的种种运动。当零件的加工程序结束时，机床便会自动停止。任何一种数控机床，在其数控系统中若没有输入程序指令，数控机床就不可事情� ；驳氖芸匦卸笾掳ɑ驳钠鸲⑼Ｖ� ；主轴的启停、旋转偏向和转速的变换 ；进给运动的偏向、速度、方法 ；刀具的选择、长度和半径的赔偿 ；刀具的更换，冷却液的开起、关闭等。
Dalian CNC machining refers to the machining process in which the control system issues instructions to make the cutting tool perform various movements that meet the requirements, and represents the technical and processing requirements such as the shape and size of the workpiece in the form of numbers and letters. It generally refers to the process of machining parts on CNC machine tools.
Numerical control machine tool is a type of machine tool controlled by a computer. The computer used to control the machine tool, whether it is a dedicated computer or a general-purpose computer, is collectively referred to as a numerical control system. The motion and auxiliary actions of CNC machine tools are controlled by instructions issued by the CNC system. The instructions of the numerical control system are compiled by programmers based on the material of the workpiece, processing requirements, characteristics of the machine tool, and the instruction format (numerical control language or symbols) specified by the system. The numerical control system sends operation or termination information to the servo device and other functional components based on program instructions to control various movements of the machine tool. When the machining program of the part is completed, the machine tool will automatically stop. Any CNC machine tool cannot operate without inputting program instructions into its CNC system. The controlled actions of a machine tool generally include the starting and stopping of the machine tool; The start stop, rotation direction, and speed change of the spindle; The direction, speed, and method of feed motion; Selection of cutting tools, compensation for length and radius; Tool replacement, opening and closing of coolant, etc.
