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 　　 Rubber Disc Return Idlers operate by exercising durable rubber discs deposited at regular intervals along the comber to effectively exclude conveyor belt carry back make-up. This is done by breaking up the material on the return side of the conveyor belt which is typically concentrated in the center of the belt. The rubber discs are bunched together at either end of the comber to give support and protection to the belt edges.        https://www.gcsconveyor.com/rubber-disc-return-idlers-gcs-product/ 　　The rubber discs avoid the figure-up of material that can be deposited onto the comber face which can beget the comber periphery to develop an irregular worn face and change shape. This is frequently a major cause of belt mistracking. Largely effective, NEPEAN Conveyors Rubber Disc breakers are a dependable and simple conservation result to this common belt conveyor problem. 　　Ideal result for areas where return breakers are subject to high carry back volumes a...