Meaning & use
Crankpin
Last updated
The cylindrical pin on a crankshaft to which a connecting rod is attached, converting reciprocating motion into rotary motion.
See it in a sentence
A worn crankpin caused a knocking sound deep in the engine.
The mechanic measured the crankpin for signs of excessive wear.
A note on using this word
The crankpin is offset from the crankshaft's main axis, which is what allows it to translate piston movement into rotation.
Words with a similar meaning
crank journal
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