Shaft Alignment - Cold-to-Hot Sag

Cold-to-hot shaft-alignment compensation - thermal growth ME + jacket water heating compensates geometry.

Shaft alignmentSagEngine

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\Delta h = h \cdot \alpha \cdot \Delta T

Symbol	Meaning	Unit
$α$	Steel thermal expansion	/K

Source: MAN ES Shaft Alignment Guide

Cold-to-hot shaft-alignment compensation - thermal growth ME + jacket water heating compensates geometry.