Finishing of annular articles

Details Finishing of annular articles Finishing of annular articles

1980-05-28

1983-08-09

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69R, 219159, 51104, 51105R, 51236, 51237R, 266 57, B23P 108

Patent

active

043980783

ABSTRACT:
A method of finishing an annular component such as a brush seal to a substantially uniform wall thickness, and apparatus therefor. Two rollers are mounted with their axes parallel, one roller being spatially fixed and the other biassed by a spring towards said one roller, whereby the annular article may be held therebetween. A machining operation, such as centerless grinding or centerless electro-discharge errosion is performed on the article as the article is turned by power-driving at least one of the two rollers, the machining operation using the spatially fixed roller as a reference surface for the machining.

REFERENCES:
patent: 2927404 (1960-03-01), Shoffner
patent: 3066457 (1962-12-01), Moore
patent: 3080843 (1963-03-01), Abbott et al.
patent: 3604080 (1971-09-01), Smith
patent: 3920947 (1975-11-01), Wachtell et al.
patent: 3930343 (1976-01-01), Welsch et al.

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