TU09_HolemakingOnAManualMill Vocab

Question 1

Chamfer

Answer 1

A process that adds a small, angled surface on the end of a shaft, around the opening of a hole, or along an edge. This removes the sharp edge and helps remove burrs.

Question 2

Collets

Answer 2

A split-sleeve device that expands or contracts to hold a cutting tool or workpiece in place as it rotates. These are designed to hold specific dimensions.

Question 3

Dowel Pin

Answer 3

A short, cylindrical rod. These are fitted tightly into holes to prevent motion or slipping.

Question 4

Machinability

Answer 4

The relative ease with which a machining process, such as milling or turning, can remove workpiece material. This depends on the properties of the workpiece material.

Question 5

Rigidity

Answer 5

The condition of a workpiece, machine, or machine setup characterized as still and immoveable. These components are fixed securely in place.

Question 6

Scale Dial

Answer 6

An analog device that measures linear movement. Scale dials are numbered collars attached to the feed handles and knee crank on manual mills.