Basic Characteristics of CNC Milling Parts

Jan 11, 2026

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Milling is a machining process where a high-speed rotating milling cutter cuts a workpiece. Its most significant characteristic is that the cutter performs the main rotary motion, while the workpiece (or cutter) performs a linear (or curved) feed motion.

 

CNC milling can process various materials, including 316 and 304 stainless steel, carbon steel, alloy steel, aluminum alloy, zinc alloy, titanium alloy, copper, iron, acrylic, Teflon, POM rods, and other metal and plastic raw materials. It can process parts with complex structures combining square and round shapes.

 

CNC milling offers high precision. Through a computer numerical control (CNC) system, automated machining is achieved, effectively suppressing machining deviations. It also possesses high flexibility and machining freedom, excelling at machining planes, grooves, cavities, complex curved surfaces, contours, and various other shapes. Using machine tools with multi-axis machining capabilities, it can also complete the cutting of various complex three-dimensional structures.

 

By pre-programming all machining operations, CNC milling can reduce machining steps, achieving full automation of the machining process and thus improving production efficiency.