cyaniding
Casehardening method that introduces carbon and nitrogen to the workpiece simultaneously.
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Glossary Terms
cylindrical grinding
Grinding operation in which the workpiece is rotated around a fixed axis while the grinding wheel is fed into the outside surface in contro…
cylindrical-grinding attachment
Device that mounts to the table of a surface grinder or lathe, permitting both straight and tapered grinding of round stock.
decarburization
Loss of carbon from the surface layer of a carbon-containing alloy due to reaction with one or more chemical substances in a medium that co…
degrees of freedom
Number of axes along which a robot, and thus the object it is holding, can be manipulated. Most robots are capable of maneuvering along the…
deionization
Removal of ions from a water-based solution. See semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
depth of cut
Distance between the bottom of the cut and the uncut surface of the workpiece, measured in a direction at right angles to the machined surf…
depth-to-diameter ratio
Ratio of the depth of a hole compared to the diameter of the tool used to make the hole.
diamond
Cubic crystalline form of carbon produced under extreme pressures at elevated temperatures. The hardest natural substance, it has approxima…
diamond bandsawing
Machine operation in which a band with diamond points is used to machine carbides, ceramics and other extremely hard materials.
die casting
Casting process wherein molten metal is forced under high pressure into the cavity of a metal mold.
diffusion
1. Spreading of a constituent in a gas, liquid or solid, tending to make the composition of all parts uniform. 2. Spontaneous movement of a…