Which practice is appropriate when securing a workpiece for milling?

• A. Use a vise to hold the workpiece securely
• B. Hold with bare hands
• C. Rely on tape alone
• D. Use magnets only

Answer: (A)

Using a vise to hold the workpiece securely is the appropriate practice for milling. A milling vise provides a rigid, square hold on the workpiece with adjustable jaws and a stable base on the machine table, keeping the piece from moving in any direction as the cutter engages. This stability is essential for maintaining accuracy, preventing tool breakage, and improving safety by avoiding sudden shifts during cutting. In typical setups you’d use parallels or shims to position the workpiece at the correct height and ensure even clamping force across the surface.

Holding with bare hands is unsafe and cannot resist the cutting forces. Relying on tape alone won’t provide the necessary rigidity or repeatable positioning, especially under load. Magnets alone may not offer sufficient holding strength or proper alignment for many milling tasks and can be unreliable with certain materials or setups.