Method and apparatus for machining work pieces

Details Method and apparatus for machining work pieces Method and apparatus for machining work pieces

2010-03-08

2011-12-27

Howell, Daniel (Department: 3726)

Gear cutting, milling, or planing

Milling

Thread or helix generating

C409S131000, C033S504000, C033S520000, C033S632000, C033S642000

Reexamination Certificate

active

08083444

ABSTRACT:
A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a machine head moves along multiple orthogonal axes to align the rotational axis of the spindle with the longitudinal pipe axis. Preferably, the pipe axis is located by using a touch probe to engage the curved surface at multiple spots and the calculating the location of the pipe axis. The cutting tool, which is preferably a cutting tool insert, is rotated by the spindle to machine the curved surface.

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International Search Report and Written Opinion of the International Searching Authority dated May 19, 2008 for International Application PCT/US07/72950, 10 pages.

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