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Dapra’s DMK25 insert substrate features a micro-grain structure with medium cobalt content, providing very good edge strength and wear resistance while maintaining outstanding toughness, the company says. This grade was formulated for applications involving tool steels, austenitic stainless steels and most high-temperature alloys. It is available in the manufacturer’s proprietary D (dished) and N (neutral) Rhino-Carb CNC-pressed insert geometries. It is available in the following coatings: DMK25-GLH (premium AlTiN), DMK257 (basic AlTiN), DMK25-HP (premium AlCrN) and DMK253 (TiCN).
Can Additive Manufacturing Increase Milling Feed Rates?
With PCD tooling, yes it can. The diamond cutting edges demand a large number flutes to realize their full effectiveness. Traditional methods for making cutter bodies limit the number of flutes, but 3D printing is delivering tools with higher flute density and other enhancements as well.