Deburring Media & Compounds

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Ceramic Media, Synthetic Media, Natural Media

Finishing media may be defined as the material used to perform work on the surface of parts being processed. Media include abrasive and nonabrasive types, both in natural and synthetic forms. Media has evolved from crushed and graded rock to synthetic rock, performed ceramic-bound abrasives, performed resin bound abrasives, steel and other materials. Dimensionally uniform with predictable wear, engineering quality media “cutting tools” are available in a great variety of useful shapes, sizes and surface finish or cutting capabilities.

The primary function of media is to cut. Media that cuts will remove burrs and smooth surfaces. As a carrier of abrasive grain…Large media causes a greater increase of impact force on the part to be cut, while smaller media results in a tighter mass and a smoother surface. For optimal efficiency, select the largest media possible for the size of the media to be used such as the 70% rule, which states, “The media should only be 70% the size of the hole in the part it is going to deburr.” Caution should always be taken to make sure the media selected will not lodge in the parts during the process.