Abstract
In order to achieve the very high dimensional and metallurgical standards demanded of precision cast gas turbine components, a large number of factors must be considered during the initial design of the component and the tooling, and in planning the processing technique to be followed. Similarly, during manufacture very precise process controls must be rigorously applied at all stages. In this paper the major variables involved are described, and some of the remedies that are adopted to avoid failures and meet required standards are outlined. MST/262

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