Method and apparatus for machining the inside surface of a close

Details Method and apparatus for machining the inside surface of a close Method and apparatus for machining the inside surface of a close

1991-01-18

1992-11-03

Schwartz, Larry I.

Turning

Process of turning

82 14, 82 15, 408 54, 408181, 408708, 409199, B23B 4100

Patent

active

051598620

ABSTRACT:
A method and apparatus for machining the inside surface of the two halves of the hollow casing of a machine or the like with the two halves positioned and mated together to form the closed hollow casing thereby providing machined areas on the inside surface of the two halves which are symmetrical and in line. The apparatus comprises a support structure in the form of a boring bar extending through the closed housing. A pair of spaced bearings in the closed hollow casing rotatably support the boring bar. Positioning apparatus is operatively attached to the boring bar for rotating and axially positioning the boring bar within the closed hollow casing. Support assemblies are positioned within the closed hollow casing and are attached to the boring bar to move with the boring bar. Cutter devices are attached to the support assemblies and are movable in a radial direction with respect to the boring bar to machine the inside surface of the closed hollow casing. Control apparatus is provided for controlling the radial movement of the cutter devices while the boring bar and cutter devices are being rotated.

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