A press brake is a machine used in metalworking to bend and shape sheet metal. It operates by using a punch and die system, where the punch presses down on the metal sheet placed on the die, creating a bend at a specific angle. This process is essential in manufacturing various metal components for industries like automotive and construction. Press brakes come in different types, including hydraulic, mechanical, and electric models, each offering unique advantages. They can handle various materials, such as aluminum and steel, and are often equipped with advanced controls for precision bending. Proper operation ensures high-quality results and efficiency in production.