5-Sharpening Jig:Typically, a mould are machined with the method of milling, EDM, milling shaping. To achieve the required gloss, then after the successful use of this method will need to have the resources the following it: After milling rough Grinding, crystallization, grinding: polishing. -EDM machining: after Grinding, polishing. -After milling shape: only polished after heat treatment
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