Method for vibratory finishing workpieces under heavily compress

Details Method for vibratory finishing workpieces under heavily compress Method for vibratory finishing workpieces under heavily compress

1974-05-14

1976-02-03

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51163V, B24B 100, B24B 3106

Patent

active

039356809

ABSTRACT:
A method for finishing workpieces which are caused to flow in a helical motion together with abrasive media within a circular vibratory finishing tub in the form of a hollow annulus closed at both ends, and more particularly for vibratory finishing of workpieces together with abrasive media in a heavily compressed condition and for separating the mass (a mixture of workpieces and abrasive media) into workpieces and abrasive media. The apparatus for carrying out the method has a downwardly inclined or horizontal circular vibratory finishing tub having an opening at the top which is closed in operation, in the form of a hollow annulus, having the radially greatest sectional area at the central portion thereof and the sectional area being gradually smaller toward both ends thereof, so that the mass is caused to flow during vibration with an increased density resulting in a substantially compressed condition of the mass so that workpieces and abrasive media are caused to move in a closely spaced relation which would otherwise be eliminated at every vibration. By this arrangement the vibrating pressure and action between workpieces and abrasive media are improved and the mass separating efficiency as well as the smoothness of the finished surfaces are also improved considerably.

REFERENCES:
patent: 3214871 (1965-11-01), Olson et al.
patent: 3466815 (1969-09-01), Balz
patent: 3527000 (1970-09-01), Carter
patent: 3550326 (1970-12-01), Robinson
patent: 3553900 (1971-01-01), McKibben
patent: R27084 (1971-03-01), Balz

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