MAGNETIC ABRASIVE FINISHING USING STATIONARY ELECTROMAGNETS
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United States of America Patent
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Issued Date -
Apr 27, 2023
app pub date -
Oct 12, 2022
filing date -
Oct 14, 2021
priority date (Note) -
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Abstract
Methods, apparatus, and systems for magnetic field assisted abrasive finishing of a workpiece are provided. A stationary electromagnetic array comprised of iron core electromagnets is positioned adjacent a workpiece to generate a dynamic magnetic field. A control system is adapted to be programmed to selectively energize the electromagnets of the stationary electromagnetic array to generate the dynamic magnetic field. The dynamic magnetic field may comprise one of a rotating magnetic field, an oscillating magnetic field, or a designated pattern. A plurality of magnetic abrasive particles is also provided. A jig is provided to position the stationary electromagnetic array relative to the workpiece. The plurality of magnetic abrasive particles are introduced into the dynamic magnetic field and are caused to move relative to a surface of the workpiece by the dynamic magnetic field.
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