What is the function of a "punch" in a die set?

The function of a "punch" in a die set is primarily to penetrate the material and create a hole or shape in the workpiece. Punches are essential components in various machining processes, particularly in operations such as punching, where they are driven into the material to remove a section or create openings. The action of a punch is crucial in producing accurate and repeatable features on the workpiece, enabling specific shapes and designs to be formed as dictated by the die assembly.

In the context of die sets, punches work in tandem with dies, which provide the necessary support and shape to the punch's action. This mechanism allows for effective material removal and shaping, contributing to the efficiency and precision required in tool and die making. The ability of a punch to create precise holes or contours directly relates to the tool's design, geometry, and the setup of the die set, highlighting its fundamental role in the manufacturing process.