Boring and facing apparatus for use inside a large vessel

Details Boring and facing apparatus for use inside a large vessel Boring and facing apparatus for use inside a large vessel

1978-10-30

1982-05-11

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Tool supporting wheel

408 79, 408234, 409143, 409175, B23B 4100

Patent

active

043290949

ABSTRACT:
The invention is directed to an improved boring and facing apparatus for performing in-situ machining on nuclear reaction feedwater inlet nozzles. The apparatus comprises a boring machine mounted upon a main frame which main frame is suspended from a structure mounted above the plane in which the inlet nozzle is located. Means are provided for adjusting the boring machine to permit a tool to operate along the center line axis of the inlet nozzle.

REFERENCES:
patent: 3509750 (1970-05-01), Anderson et al.
patent: 3513517 (1970-05-01), Galbarini et al.

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