A sintered rare earth magnet device

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PROBLEM TO BE SOLVED : To solve problem of a conventional machining device for rare earth sintered magnets wherein, during the continuous machining, recesses occur in a conveying path due to the biting of the rare earth magnets therein, and the slidability of the conveying path is deteriorated. SOLUTION : This machining device for rare earth sintered magnets includes a rotary grinding wheel and a conveying path for conveying rare earth magnets continuously. Layers of CrN (chromium nitride) and DLC (diamond-like carbon) are formed in this order, on the substrate of the conveying path which has at least a portion made of a cemented carbide just below the rotary grinding wheel. COPYRIGHT : (C)2011, JPO&INPIT