Difference between revisions of "Crankshaft"
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[[Image:Cshaft.gif|300px|thumb|Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black)]] | [[Image:Cshaft.gif|300px|thumb|Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black)]] | ||
The crankshaft, sometimes casually abbreviated to crank, is the part of an [[engine]] which translates reciprocating linear [[piston]] motion into rotation. To convert the reciprocating motion into rotation, the crankshaft has "crank throws" or "crankpins", additional bearing surfaces whose axis is offset from that of the crank, to which the "big | The crankshaft, sometimes casually abbreviated to crank, is the part of an [[engine]] which translates reciprocating linear [[piston]] motion into rotation. To convert the reciprocating motion into rotation, the crankshaft has "crank throws" or "crankpins", additional bearing surfaces whose axis is offset from that of the crank, to which the "[[big end]]s" of the [[connecting rod]]s from each cylinder attach. | ||
It typically connects to a [[flywheel]], to reduce the pulsation characteristic of the four-stroke cycle, and sometimes a torsional or vibrational damper at the opposite end, to reduce the torsion vibrations often caused along the length of the crankshaft by the [[cylinders]] farthest from the output end acting on the torsional elasticity of the metal. | It typically connects to a [[flywheel]], to reduce the pulsation characteristic of the four-stroke cycle, and sometimes a torsional or vibrational damper at the opposite end, to reduce the torsion vibrations often caused along the length of the crankshaft by the [[cylinders]] farthest from the output end acting on the torsional elasticity of the metal. | ||
[[Category:Definitions]] | [[Category:Definitions]] | ||
Latest revision as of 02:35, 24 November 2010
The crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating linear piston motion into rotation. To convert the reciprocating motion into rotation, the crankshaft has "crank throws" or "crankpins", additional bearing surfaces whose axis is offset from that of the crank, to which the "big ends" of the connecting rods from each cylinder attach.
It typically connects to a flywheel, to reduce the pulsation characteristic of the four-stroke cycle, and sometimes a torsional or vibrational damper at the opposite end, to reduce the torsion vibrations often caused along the length of the crankshaft by the cylinders farthest from the output end acting on the torsional elasticity of the metal.