noun
- cylindrical pins or rods that connect the connecting rods to the crankshaft in an engine
Usage: mechanical engineering; plural of crankpin
Examples
- The mechanic inspected the crankpins for signs of wear.
- Damaged crankpins can cause serious engine problems.
- The crankpins must be precisely machined to ensure proper engine operation.
- Oil lubricates the crankpins to reduce friction during engine operation.
- The connecting rods attach to the crankpins on the crankshaft.
- Regular maintenance includes checking the crankpins for proper alignment.