coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as solubl…
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Glossary Terms
cooling
Process of reducing the heat content of a tool, part, assembly or material. Cooling may be required for a variety of reasons: to improve to…
copper alloys
Copper containing specified quantities of alloying elements added to obtain the necessary mechanical and physical properties. The most comm…
corrosion
Chemical or electrochemical reaction between a material, usually a metal, and its environment that produces a deterioration of the material…
corrosion fatigue
Process in which a metal fractures prematurely under conditions of simultaneous corrosion and repeated cyclic loading at lower stress level…
corrosion resistance
Ability of an alloy or material to withstand rust and corrosion. These are properties fostered by nickel and chromium in alloys such as sta…
counterbalancing
Use of weights or mechanisms to balance a workpiece, grinding wheel, rotating tool or other device. Minimizes machining vibration and maxim…
counterbore
Tool, guided by a pilot, that expands a hole to a certain depth.
counterboring
Enlarging one end of a drilled hole. The enlarged hole, which is concentric with the original hole, is flat on the bottom. Counterboring is…
countersink
Tool that cuts a sloped depression at the top of a hole to permit a screw head or other object to rest flush with the surface of the workpi…
countersinking
Cutting a beveled edge at the entrance of a hole so a screw head sits flush with the workpiece surface.
cratering
Depressions formed on the face of a cutting tool caused by heat, pressure and the motion of chips moving across the tool’s surface.