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In grinding, the wheel’s tendency to accumulate workpiece material between its abrasive points. In milling, drilling and other operations, …
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Glossary Terms
look-ahead
CNC feature that evaluates many data blocks ahead of the cutting tool’s location to adjust the machining parameters to prevent gouges. This…
lost-wax process
Investment-casting process in which a wax pattern is used.
low-carbon steels
Group of carbon steels designated by American Iron and Steel Institute numerical classification as AISI 1005, 1006, 1008, etc., up to AISI …
lubricant
Substance that reduces friction between moving machine parts. Can be liquid (hydrocarbon oil), solid (grease) or gaseous (air). Important c…
lubricity
Measure of the relative efficiency with which a cutting fluid or lubricant reduces friction between surfaces.
machinability
The relative ease of machining metals and alloys.
machinability rating
A relative measure of the machinability of a metallic work material under specified standard conditions. Machinability rating is expressed …
machining
Process of giving a workpiece a new configuration by cutting or shaping it. Typically performed on a machine tool or machining center. Incl…
machining center
CNC machine tool capable of drilling, reaming, tapping, milling and boring. Normally comes with an automatic toolchanger. See automatic too…
magnetic chuck
Workholding device used on surface grinders and milling machines for holding ferrous parts with large, flat sides. Holding power may be pro…
magnetic-particle inspection
Nondestructive method of inspection for determining the existence and extent of surface cracks and similar imperfections in ferromagnetic m…