chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated…
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Glossary Terms
computer-integrated manufacturing (CIM)
Theoretically, an approach under which all phases of production—including management, sales, order processing, design, quality control and …
circular saw
Cutoff machine utilizing a circular blade with serrated teeth. See saw, sawing machine.
circular-saw blade
Cutting tool for a cold or circular saw. Blade is round with serrated cutting teeth.
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
climb milling (down milling)
Rotation of a milling tool in the same direction as the feed at the point of contact. Chips are cut to maximum thickness at the initial eng…
closed-loop system
CNC system in which the program output, or the distance the slide moves, is measured and compared to the program input. The system automati…
computer numerical control (CNC)
Microprocessor-based controller dedicated to a machine tool that permits the creation or modification of parts. Programmed numerical contro…
coated abrasive
Flexible-backed abrasive. Grit is attached to paper, fiber, cloth or film. Types include sheets, belts, flap wheels and discs.
coated tools
Carbide and high-speed-steel tools coated with thin layers of aluminum oxide, titanium carbide, titanium nitride, hafnium nitride or other …
cold working
Deforming metal plastically under conditions of temperature and strain rate that induce strain hardening. Working below the recrystallizati…
collet
Flexible-sided device that secures a tool or workpiece. Similar in function to a chuck, but can accommodate only a narrow size range. Typic…