Turbine blade edge grinder

Details Turbine blade edge grinder Turbine blade edge grinder

1975-10-23

1977-04-12

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 96, 51234, B24B 2100

Patent

active

040166830

ABSTRACT:
A machine for resurfacing the leading edge portions of worn or cracked turbine blades and the like, comprising a machine bed, a power driven abrasive belt extending around multiple pulleys disposed above the bed, and a carriage movable over the bed in directions toward and away from the belt. A clamping fixture is pivotally mounted on the carriage and includes a pair of vises for gripping the opposite end portions of the blade to be resurfaced. Powered means are provided for imparting a periodic reverse rocking movement to the fixture while the carriage is being moved toward the belt. The arrangement is such that the blade engages the belt while undergoing simultaneous swiveling or rocking movement, this resulting in a precision removal of controlled amounts of the blade along the curved contour at its leading edge.

REFERENCES:
patent: 2212179 (1976-03-01), Martin
patent: 2771723 (1956-11-01), Burleson
patent: 3335527 (1967-08-01), Sabine
patent: 3434245 (1969-03-01), Stuart
patent: 3521410 (1970-07-01), Windefors

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