Method for repairing a machine having a support structure and wo

Details Method for repairing a machine having a support structure and wo Method for repairing a machine having a support structure and wo

1994-09-06

1996-09-10

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Repairing

2940212, 2940215, 2940217, 298932, 74448, B23P 600

Patent

active

055533671

ABSTRACT:
The disclosure involves a structural combination and a method for attaching a machine component such as a number of arc-shaped gear segments to a supporting segment mounting pad. As new, each gear segment is furnished with a number of openings, all of the same diameter. Initially, the mounting pad is free of openings and each gear segment is placed on the pad and used as a drilling template. After openings are drilled in the mounting pad, a number of such openings (but not all) are "opened up" by reaming and a bearing-fit bolt is inserted into the reamed openings. In repair, a new gear segment is placed at a position which spans two places formerly occupied by gear segments. Certain openings in the new segment are aligned with existing openings in the mounting pad (to receive clearance-fit bolts therethrough) and other segments openings are used to form new openings in the mounting pad.

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patent: 5279173 (1994-01-01), Blaszynski et al.
patent: 5289733 (1994-03-01), Kallenberger
patent: 5347880 (1994-09-01), Kallenberger

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