What is one of the most common methods of cutting metals?

Turning is one of the most common methods of cutting metals, particularly in the realm of precision machining. This process involves rotating the metal workpiece against a cutting tool, which effectively shapes the material by removing excess material to create cylindrical or conical shapes. The rotation provides a consistent surface speed, allowing for controlled cutting and a high degree of accuracy.

This method is widely used in manufacturing for producing parts such as shafts, bushings, and other symmetric components, making it a fundamental technique in the industry. Its efficiency in terms of speed and precision, along with the ability to operate on various types of metals, significantly contributes to its commonality in metal cutting applications.

The other methods mentioned, such as milling and grinding, are also important in metalworking but serve different purposes and applications. Milling is typically used for creating flat surfaces and complex shapes, while grinding focuses on achieving fine surface finishes and tight tolerances. Shaping, though effective in some contexts, is less versatile compared to turning for producing cylindrical shapes.