Method for removal of abradable material from gas turbine engine

Details Method for removal of abradable material from gas turbine engine Method for removal of abradable material from gas turbine engine

1992-07-28

1994-03-15

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116593, 51290, 5116575, B24B 4900

Patent

active

052937178

ABSTRACT:
A method for removing a predetermined amount of material from the inner surface of a circular article which deviates from a true circular configuration. The outer surface of the article is touch probed to determine its true location in space, and the data are stored in a computer memory. These data are then compared to engineering design data to establish the location of the surface to which material removal is desired. A control computer compares the measured data with the design data, and sends commands to the machine control system, causing the machine to remove the excess material down to the desired dimension. Any deviations from circular are compensated for by moving the article radially relative to the cutting tool as the article moves circumferentially relative to the cutting tool.

REFERENCES:
patent: 4229908 (1980-10-01), Panzeri
patent: 4512107 (1985-04-01), Jones
patent: 4628643 (1986-12-01), Gile et al.
patent: 4653235 (1987-03-01), Farmer
patent: 4956945 (1990-09-01), Oshima
patent: 5076022 (1991-12-01), Ohta et al.
patent: 5095662 (1992-03-01), Grimm et al.

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