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DOUBLE DISC GRINDING
Double disc grinding is the process of grinding equal amounts of material off both sides of the part at the same time. This process works especially well for non-magnetic materials that cannot easily be blanchard or surface ground.
All knife blades must be double disc ground prior to bevel grinding. The reason for this is that we need to start with an extremely flat and parallel blank.
Modern knife materials are often very difficult to grind in the hard condition. We have found a way to work around this with our gardner automatic double disc grinder. This machine has been outfitted with the latest technology in double disc wheels. This allows us to grind popular alloys suchs as S30V, 154CM, 3V, M390, and Elmax, just to name a few.
We recommend you call ahead with your material type and speak with someone directly about grinding before heat treating.
Expected tolerances for folder blades are thickness +/- .0005 and flat and parallel .001