Method and apparatus for grinding turbine engine rotor assemblie

Details Method and apparatus for grinding turbine engine rotor assemblie Method and apparatus for grinding turbine engine rotor assemblie

1983-06-07

1985-02-26

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51105R, 51289R, 291568R, 73432L, B24B 4912

Patent

active

045010951

ABSTRACT:
A rotor assembly comprised of a multiplicity of blades mounted around the periphery of a disk has the blade tips ground to great diametrical precision when the assembly is rotated at a high speed in excess of 1000 rpm in a special grinding process. Individual blade lengths are dynamically measured while the assembly is being ground. These measurements are used to control the grinding process and to also permit accurate assessment of the quality of assemblies in general. A laser triangulation measurement system is used. It is capable of very fast reading of blade length since 3300 or more blades may pass by the measuring point each second.

REFERENCES:
patent: 2795900 (1957-06-01), Modler
patent: 3673897 (1972-07-01), Gassner
patent: 3835591 (1974-09-01), Cimprich
patent: 3848369 (1974-11-01), Monajjem
patent: 4370834 (1983-02-01), Habib

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