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WebSep 25, 2024 · Graphite can prove tricky to machine, particularly for EDM electrodes that require outstanding accuracy and structural consistency. Here are five key points to keep in mind when working with graphite: 1. Mind Your Grade. Graphite grades are visually difficult to distinguish, but each features unique physical characteristics and properties. Web1 - As you said, remelt the whole thing mold and all so the copper runs out and try again. This time adding graphite powder in the mold or use a graphite mold. ... at allowing metals to separate cleanly and varies depending on the quality and surface finish. hence the common use of graphite molds for metals like brass, bronze and copper. how foods rot
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