Microfinishing

A microfinishing process employs rigid shoes to support the abrasive film. The workpiece, such as a crankshaft or a camshaft, is turned and oscillated between centers as shoes introduce the abrasive to the workpiece.

Fresh abrasive is incrementally indexed after each part is processed, resulting in uniform stock removal and finish, part after part.

Microfinishing removes the damaged or amorphous layers
to improve the surface finish and roundness of the part.

3M™ Microfinishing Film 3M Microfinishing Film is a fast cutting abrasive that can produce consistent, predictable and repeatable high quality finishes. The abrasive particles are electrostatically oriented, then resin-bonded to a polyester film backing to give an aggressive cut with a uniform finish. Available in 9–100 micron grades.

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