Method of manufacturing an integral rotor blade disk and...

Details Method of manufacturing an integral rotor blade disk and... Method of manufacturing an integral rotor blade disk and...

2005-06-14

2005-06-14

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Integrally shaped or blended into hub

C416S235000, C416S22300B, C029S889230

Reexamination Certificate

active

06905312

ABSTRACT:
A method of manufacturing a blisk comprises the steps of cutting a disk to a rough shape comprising a hub with a plurality of blade blanks projecting radially therefrom, machining each blade blank by tangential milling using a tool with a rotation spindle perpendicular to the radial direction to make repeated radial passes, the tool being turned through a facet angle with respect to the disk between each pass. Each blade blank is thus milled to a blade having faceted surfaces. Preferably, the width of each facet is smaller that 5 mm, and adjacent facets subtend angles smaller than 5°, or even more preferably smaller than 3°.

REFERENCES:
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patent: 60184445 (1985-09-01), None
patent: 02046945 (1990-02-01), None

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