Glossary

Remote Visual Inspection

Dead Centre

ded sen-ter

noun

Definition

Dead Centre refers to the position of a Piston when it is either farthest from or nearest to the Crankshaft. There are two types of Dead Centre: Top and Bottom. Top DC is where the Piston is farthest away, while Bottom DC is where it is closest. Knowing when a set of Pistons are in these positions is important for efficiency and vibration control. For larger engines, by staggering when a set of Pistons are at Dead Centre, an engine can be designed to run more efficiently and reduces the risk of premature failure or wear. A Piston is also most easily serviceable when it is in these positions.

Related terms: predictive maintenance

Dead Centre Images

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