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Glossary of Terms C A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z CD - center distance CP - circular pitch Carburizing - a heat treating process, which allows the surface of a low carbon steel gear or sprocket to be hardened to high hardness but to only a shallow depth. This process is usually applied "all over" or to the entire surface of the part. This type of treatment makes post heat-treat machining processes difficult. If desired, specific areas of parts can be masked prior to carburizing to prevent the introduction of carbon into the steel's surface and thereby preventing hardening of the masked areas when quenched. Center Distance (CD) - is the shortest distance between non-intersecting axes of mating gears. Circular Pitch (CP) - is the distance along the pitch line between corresponding profiles of adjacent teeth. Circular Thickness - is the thickness of the tooth on the pitch circle. Clearance - is the amount by which the dedendum in a given gear exceeds the addendum of its mating gear. In other words, it is the distance between the tip of one tooth and the bottom or root of its mate. Concentricity - When two diameters share a common center they are said to be concentric. Deviations from theoretical or perfect concentricity are called eccentricity. Coupling Sprockets, Chains, and Covers - a product line used for connecting two non-continuous shaft ends. |