In a high energy centrifugal disc machine a similar multi force, high speed finishing / polishing effect is achieved by placing media and parts to half the depth of an open mouthed barrel the floor of which then spins at a high RPM creating a vortex of media and parts against the stationary walls of the machine. The media and parts tumble gravitationally toward the center and are then spun up the side plus a forward motion giving a multi directional effect which quickly produces a very smooth surface especially on softer metal parts such as jewelry pieces prior to plating.
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