Method of manufacturing thin wall isogrid casings

Details Method of manufacturing thin wall isogrid casings Method of manufacturing thin wall isogrid casings

2005-04-15

2009-12-15

Omgba, Essama (Department: 3726)

Metal working

Method of mechanical manufacture

With testing or indicating

C029S559000, C029S558000, C029S888000, C029S888010, C029S897200, C029S897000, C409S219000, C269S2890MR

Reexamination Certificate

active

07631408

ABSTRACT:
A method of manufacturing a thin wall isogrid or the like casing by a machining process includes the steps of mating a casing with a support, the said support having a substantially continuous support surface engaging at least part of the inner or outer surface of the casing and machining a plurality of recessed pockets in the inner or outer surface of the casing opposite the surface engaged by the said support. The support reacts loads acting on the casing by a machining tool during machining, thereby minimizing distortion of the casing and tearing of the pockets being formed. During the mating process, the casing is deformed such that the support surface engages substantially the whole of the inner or outer surface of the casing.

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