Machining processes employ distinct equipment to shape metal and other materials. One common method rotates the workpiece against a cutting tool to remove material, creating cylindrical shapes. Another method utilizes a rotating cutting tool to remove material from a stationary or moving workpiece, enabling the creation of flat surfaces, slots, and complex three-dimensional shapes. A classic example of the former process is crafting a baseball bat; the latter process can be seen in creating engine blocks or gears.
The distinct capabilities of these machining approaches are fundamental to various industries, from automotive and aerospace to medical device manufacturing and consumer goods production. Historically, manual versions of these machines were critical for industrial advancement. The development of more sophisticated, automated versions has significantly increased manufacturing efficiency and precision, enabling the creation of complex parts crucial for modern technology.