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Drag finishing

Polishing process where multiple workpieces are dragged through a vessel with abrasive chip.

Illustration of Drag finishing

The process

One or more workpieces are mounted on a carousel which is immersed in a vessel filled with abrasive chips and liquid. The carousel is rotated and then pulled in different patterns of movement through the chips to smooth and polish the surfaces.

Depending on the workpiece material, design, and the desired result, a variety of sizes and shapes of chips are available.