POWER PRESS, commonly shortened to press, is a machine tool that changes the shape of a workpiece by the application of pressure. Presses can be classified according to
their mechanism: hydraulic, mechanical, pneumatic;
their function: forging presses, stamping presses, press brakes, punch press.
their structure, e.g. Knuckle-joint press, screw press
their controllability: conventional vs. servo-presses.