emulsion
Suspension of one liquid in another, such as oil in water.
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Glossary Terms
endmill
Milling cutter held by its shank that cuts on its periphery and, if so configured, on its free end. Takes a variety of shapes (single- and …
endmilling
Operation in which the cutter is mounted on the machine’s spindle rather than on an arbor. Commonly associated with facing operations on a …
endurance limit
Limit below which a material will not fail.
extreme pressure additives (EP)
Cutting-fluid additives (chlorine, sulfur or phosphorus compounds) that chemically react with the workpiece material to minimize chipweldin…
eutectic
1. Isothermal reversible reaction in which a liquid solution is converted into two or more intimately mixed solids on cooling, the number o…
extrusion
Conversion of an ingot or billet into lengths of uniform cross section by forcing metal to flow plastically through a die orifice.
face
Flat surface, usually at right angles and adjacent to the ground hole.
face plate
Flat, round workholder with slots used to hold regular- or irregular-shaped stock. If stock is markedly asymmetrical, counterbalances may b…
facemill
Milling cutter for cutting flat surfaces.
facemilling
Form of milling that produces a flat surface generally at right angles to the rotating axis of a cutter having teeth or inserts both on its…
facing
Preliminary “cleanup” operation that provides a true reference surface before beginning another operation.