Pneumatic punching machine is a type of mechanical device that uses compressed air to power its operation. It is designed for punching holes or shapes into various materials such as metal, plastic, or paper. Pneumatic punching machines are commonly used in manufacturing and fabrication processes where precision hole punching or material shaping is required.

Mechanical punching machine, also known as a punch press, is a machine tool that is used to punch holes or shapes into sheet materials such as metal, plastic, or paper. Punching machines are commonly used in various industries for tasks such as perforating, blanking, forming, and coining.