A
Absolute temperature
Absolute zero is 0 degrees on the Kelvin scale it is equivalent to -273° C.
Abrasion wear
A wear pattern that occurs due to the chips rubbing across the surface of the tool.
Adhesiveness
A term that describes the stickiness of a material.
B
Backlash
The amount of play between gear teeth and drive mechanisms.
Bending moment
Is the result of a force applied on a body at a point away from where the body is fixed.
Binder metal
A metal that is used to hold together numerous particles. For example in cemented carbide the binder metal is Co.
Brittle wear
Wear that effects the brittle particles along the cutting edge.
Alloy element
The components that are used to make an alloy.
Amorphous
Is a term used to describe a non-crystalline body.
Anodic oxidation
A process in which an electric anode is used for oxidizing.
Built-up edge
Built-up edge generally occurs when turning. It is a condition where some of the workpiece material welds to the cutting edge.
Burnish effect
An effect that occurs at the margin of a drill. Burnishing tends to rub the internal diameter of the drilled hole and can improve the surface finish.
Bush length
Is the length of a bush that is used to
prevent the drill from wandering and
supports it during deep hole drilling.