Mechanical Definitions |
Counterblow hammer : A forging hammer in which the ram
and anvil are driven toward each other by compressed air or
steam. |
Coupled engine : A locomotive engine having the driving
wheels connected by a rod. |
Crank : A link in a mechanical linkage or mechanism that
can turn about a center or rotation. |
Crank web : The arm of a crank connecting the crankshaft
to crankpin, or connecting two adjacent crankpins. |
Crawler wheel : A wheel that drives a continuous metal
belt, as on a crawler tractor. |
Crushing-forming : Shaping the face of a grinding wheel
by forcing a rotating metal roll into it. |
Culvert : It is made at the point of lowest valley to
pass water across the embarkments of roads or railroads. It
may be used to enclose a flowing body of water. |
Cumulative compound motor : A motor with operating characteristics
between those of the constant-speed (shunt-wound) and the variable-speed
(series-wound) types. |
Curtis stage : A velocity-staged impulse turbine using
reversing buckets between stages. |
Curtis turbine : A velocity-staged, impulse-type steam
engine. |
Cutoff : The shutting off of the working fluid to an
engine cylinder. The time required for this process. |
Cutterhead : A device on a machine tool for holding a
cutting tool. |
Cutting tool : The part of a machine tool which comes
into contact with and removes material from the work-piece by
the use of a cutting medium. Also known as cutter. The figure
shows the carbide turning tools. |
Cutting tool inserts : These are the carbide tips used
in the tool holders and used for various operations particularly
on lathe machines. The various shapes of these inserts are given
below. |
Cylinder actuator : A device that converts hydraulic
power into useful mechanical work by means of a tight-fitting
piston moving in a closed cylinder. |
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