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process for the production of turbinenradscheiben with oertlich high druckeigenspannungen in the nabenbohrung.
process for the production of turbinenradscheiben with oertlich high druckeigenspannungen in the nabenbohrung.
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机译:在纳本博伦用高纯度的杜克恩根氨纶生产透支的方法。
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摘要
A method for manufacturing parts for rotary machines, especially turbine wheel disks, having a hub bore in a hub region, as well as turbine wheel disks manufactured by the method, includes pre-turning a contour at the hub region having a profile differing from a hub contour to be produced. At least the hub region is initially treated. At least the hub region having the pre-turned contour is cooled with a coolant fluid after the initial treatment to produce internal compressive strains in the hub region. The pre-turned contour is reduced after the cooling to the hub contour to be produced.
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