| 摘要 |
<p>A method of manufacturing a rotor assembly comprising: providing a shaft; providing an impeller; and adhering the shaft within a bore in the impeller, characterised in that the tolerance in the concentricity of the shaft relative to the impeller is smaller than that of the bore, and adhering the shaft within the bore comprises applying an adhesive to the shaft and inserting the shaft into the bore.</p> |
