What is the purpose of a work holding device?

The purpose of a work holding device is primarily to securely position and support a workpiece during machining operations. This device ensures that the workpiece remains stable and correctly aligned throughout the machining process, which is crucial for achieving precision and accuracy in the final product. When a workpiece is properly held in place, it reduces the risk of movement that could lead to inaccuracies, defects, or even damage to the workpiece or tooling.

Workholding devices can vary in type and complexity, from simple clamps to sophisticated vises and fixtures, and are designed to accommodate different shapes, sizes, and materials. The stability provided by these devices is essential for consistent cutting, drilling, or milling without the risk of the workpiece shifting under the forces exerted by the cutting tools. This stability directly contributes to the efficiency of the machining process and helps in maintaining the desired tolerances and surface finishes.