Abrasive media (for deburring, radiusing, blending machining marks, etc…) needs to have an ‘open face’ to work as it should. This is where you can feel the abrasive particles when dragging your finger nail over the surface of the media (like a file). When media becomes ‘clogged’ due to insufficient levels of compound being added to the process bowl, poor draining, poor quality media, etc… it becomes smooth (and even shiny in extreme cases). Often times users can think this to be a benefit as ‘it lasts forever’. In truth though it just has stopped cutting and not only does it last forever, so do your process times! If your media is smooth and your finish or process times are adversely affected it is time to throw it away and refill the machine with new media.
For more information on Centrifugal Disc Finishing please visit www.rosler.com
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