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CNC Turning (Lathe)
A machining process in which a stationary cutting tool removes material from a rotating cylindrical workpiece. CNC turning produces round features such as shafts, flanges, threaded studs, and bushings to tight diameter and concentricity tolerances.
CNC turning uses a stationary cutting tool to remove material from a rotating cylindrical workpiece, producing round features such as shafts, flanges, threaded studs, bushings, and tapered journals with exceptional concentricity and diameter control. The rotating workpiece allows the tool to make continuous circular cuts, making CNC turning the ideal process for producing precision cylindrical components where all features are concentric to the rotation axis.
Common turning operations include facing (machining the end of the workpiece flat), contouring (creating tapered or stepped diameters), threading (cutting internal or external threads), and grooving (cutting narrow channels at specific locations). Tight tolerances and excellent surface finish are hallmarks of CNC turning, making it essential for bearing races, pump shafts, and precision mechanical components.
Modern CNC lathes often include live tooling (rotating tools perpendicular to the spindle axis) that enable milling operations on the part face, combining the advantages of both turning and milling in a single setup.
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