Method and apparatus for sandblasting a workpiece

Details Method and apparatus for sandblasting a workpiece Method and apparatus for sandblasting a workpiece

1986-08-01

1988-05-03

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51421, 51424, 51426, B24C 104, B24C 322

Patent

active

047411309

ABSTRACT:
A method and apparatus for sandblasting a workpiece. The workpiece is placed at a machining position. Air is sucked around the workpiece at the machining position in a first direction to produce air streams. During sucking, abrasive grains are blown against a face of the workpiece in a second direction for sandblasting the work, the second direction crossing the first direction at an angle .theta. smaller than 90.degree.. Abrasive grains blown against peripheries of the workpiece are larger in velocity than abrasive grains blown against a central portion of the workpiece.

REFERENCES:
patent: 2454158 (1948-11-01), Gossard
patent: 2628456 (1953-02-01), Berg
patent: 3192677 (1965-07-01), Johnson et al.
patent: 3436785 (1969-04-01), Kantor
patent: 3545996 (1970-12-01), Duncan
patent: 3685208 (1972-08-01), Richter
patent: 3903526 (1975-09-01), Cotter

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