Abrasive jet stream polishing

Details Abrasive jet stream polishing Abrasive jet stream polishing

1996-03-01

1999-10-12

Eley, Timothy V.

Abrading

Abrading process

Utilizing fluent abradant

451 28, 451 39, B24B 100, B24C 100

Patent

active

059646446

ABSTRACT:
Abrasive jet stream polishing, wherein an abrasive is suspended in a flowable jet medium and projected at high velocity and pressure at a workpiece is provide, where the jet is projected at the surface to be polished at an oblique angle. The method is substantially improved by forming the medium of a polymer having reformable sacrificial chemical bonds which are preferentially broken under high shear conditions. Projecting the medium and suspended abrasive breaks the reformable sacrificial chemical bonds while polishing. The chemical bonds will reform, permitting recycling of the medium and abrasive for reuse in the method. The jet is effective at relatively low pressures of about 5 to about 80 MPa.

REFERENCES:
patent: 3262234 (1966-07-01), Roach
patent: 5261191 (1993-11-01), Wick
patent: 5357718 (1994-10-01), Kanno
patent: 5545076 (1996-08-01), Yun et al.
patent: 5679058 (1997-10-01), Rhoades

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