Rotating blades and adjustable guide vanes adjust turbines to changing
operating conditions.
Turbines or compressors may be equipped with multi-step blades.The rotating blades shown here are the last two rows of a steam turbine. The foot type is a fork root.
It requires high manufacturing accuracy. Precision is of the utmost importance here, because otherwise assembling it would cause enormous problems.
The manufacturing tolerance is +/- 0.02 mm.
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