Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1993-04-14
1994-08-30
Lavinder, Jack
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 7, 51317, B24B 2900, B24B 5702
Patent
active
053416023
ABSTRACT:
A slurry polishing apparatus (100) comprises an assembly of an upper slurry input/output section (108), a polishing section (110), and a lower slurry input/output section (112). Each of the apparatus sections are individually detachable from the assembly to facilitate insertion and removal of a hydrodynamic or aerodynamic machine part having a complex surface shape such as a turbine fan (102). A plurality of upper slurry deflector blades (124) and lower slurry deflector blades (126) are removably attached to the polishing section (110), and positioned in the slurry flow path so as to direct the slurry mixture evenly over the entire surface of each respective fan blade (104), and corresponding exposed intermediary rotor surface (106). Because the high pressure slurry mixture flows evenly over the exposed fan surfaces, a consistent removal of metal stock is achieved across the entire polished surface. Thus, the need for additional slurry polishing and tedious hand blending to correct inconsistencies in the stock removal is dramatically reduced. Furthermore, a reduction in the amount of hand blending performed on the fan (102) proportionally decreases the likely occurrence of alpha case microfractures in the finished surface.
REFERENCES:
patent: 3634973 (1972-01-01), McCarty
patent: 3728821 (1973-04-01), Perry
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patent: 3883997 (1975-05-01), Bulingame
patent: 4512859 (1985-04-01), Inoue
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patent: 5040336 (1991-08-01), Ahern
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Extrude Hone Sales Brochure/Literature.
General Electric T700 Blisk and Impeller Manufacturing Process Development Program, pp. 165-216.
Lavinder Jack
Lyon Layman R.
Williams International Corporation
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