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The arm of a crank connecting the crankshaft to crankpin, or connecting two adjacent crankpins.



Related Terms

DOUBLE-CRANK PRESS

A mechanical press with a single wide slide operated by a consisting of an inner and an outer tube; the crankshaft having two crank pins.

CRANK ANGLE

  1. The angle between a crank and some reference direction. 2. Specifically, the angle between the crank of a slider crank mechanism and a line from crankshaft to the piston.

CRANK ARM

The arm of a crankshaft attached to a connecting rod and piston.

CRANKSHAFT

The crankshafts are built-up types. For the semi-built type, the forged main bearing journals are shrunk into cast steel crank throws with a crank journal and two crank throws as one unit. In the fully built type, the crank throws are shrunk onto main journals and crank journals. The crank throws are displaced from each other to obtain the same number of degrees between the different crank throws. The crankpin journals are provided with large bores for balancing purpose.

GANTRY-TYPE ROBOT

A continuouspath, Cartesian-coordinate robot constructed in a bridge shape that uses rails to move along a single horizontal axis or along either of two perpendicular horizontal axes.

DIFFERENTIAL MANOMETER

An instrument in which the difference in pressure between two sources is determined from the vertical distance between the surfaces of a liquid in two legs of an erect or inverted U-shaped tube when each of the legs is connected to one of the sources.

GATE

A circuit which has two or more input-signal ports and which delivers an output only if and when every input signal port is simultaneously energized. circuit; passive AND gate.

BOLTED JOINT

The assembly of two or more parts by a threaded bolt and nut or by a screw that passes through one member and threads into another.

DOUBLE HOOKE'S JOINT

A universal joint which eliminates the variation in angular displacement and angular velocity between driving and driven shafts, consisting of two Hooke's joints with an intermediate shaft.

COUETTE VISCOMETER

A viscometer in which the liquid whose viscosity is to be measured fills the space between two vertical coaxial cylinders, the inner one suspended by a torsion wire; the outer cylinder is rotated at a constant rate, and the resulting torque on the inner cylinder is measured by the twist of the wire. Also known as rotational viscometer.

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