Which machine continuously cuts parts from a piece of bar stock?

Automatic bar machines are specifically designed to produce parts from bar stock in a continuous fashion, making them well-suited for high-volume production. These machines can perform multiple operations—such as cutting, drilling, and turning—ultimately streamlining the manufacturing process by feeding the bar stock continuously into the machine. This capability allows them to efficiently produce consistent and precise components, reducing manual labor and increasing productivity.

In contrast, while CNC lathes and manual lathes also perform cutting operations on bar stock, they typically require more operator intervention and setup for each part produced. CNC lathes are programmable and can automate cutting cycles, but they may not continuously feed material in the same way that automatic bar machines do unless configured specifically for such operations. Vertical mills are designed primarily for shaping and machining flat surfaces and are not typically used for continuously cutting parts from bar stock. Therefore, the functionality and design of automatic bar machines make them the most suitable option for continuous cutting operations from bar stock.