Definitions for: Cam


[n] a rotating disk shaped to convert circular into linear motion



Webster (1913) Definition: Cam (k[a^]m), n. [Dan. kam comb, ridge; or cf. W., Gael.,
and Ir., cam bent. See 1st Comb.]
1. (Med.)
(a) A turning or sliding piece which, by the shape of its
periphery or face, or a groove in its surface, imparts
variable or intermittent motion to, or receives such
motion from, a rod, lever, or block brought into
sliding or rolling contact with it.
(b) A curved wedge, movable about an axis, used for
forcing or clamping two pieces together.
(c) A projecting part of a wheel or other moving piece so
shaped as to give alternate or variable motion to
another piece against which it acts.



Note: Cams are much used in machinery involving complicated,
and irregular movements, as in the sewing machine, pin
machine, etc.

2. A ridge or mound of earth. [Prow. Eng.] --Wright.

Cam wheel (Mach.), a wheel with one or more projections
(cams) or depressions upon its periphery or upon its face;
one which is set or shaped eccentrically, so that its
revolutions impart a varied, reciprocating, or
intermittent motion.


Cam, a. [See Kam.]
Crooked. [Obs.]

See Also: distributor cam, rotating mechanism

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