Abrasive jet stream cutting

Details Abrasive jet stream cutting Abrasive jet stream cutting

1993-08-27

1996-06-18

Rose, Robert A.

Abrading

Abrading process

Utilizing fluent abradant

451 39, B24C 700

Patent

active

055272045

ABSTRACT:
Abrasive jet stream cutting, wherein an abrasive is suspended in a flowable jet medium (64) and projected at high velocity and pressure (75) at a workpiece (76) 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 cutting. The chemical bonds will reform, permitting recycling of the medium and abrasive for reuse in the method. The jet is effective at pressures of about 14 to 80 MPa.

REFERENCES:
patent: 2985050 (1961-05-01), Schwacha
patent: 3524367 (1970-08-01), Franz
patent: 4872293 (1989-10-01), Yasukawa et al.
patent: 4872975 (1989-10-01), Benson
patent: 5018317 (1991-05-01), Kiyoshige et al.
patent: 5184434 (1993-02-01), Hollinger et al.
patent: 5363603 (1994-11-01), Miller et al.

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