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Precision Dormer has expanded its Hydra solid carbide replaceable-head drilling program range, which is an alternative to solid carbide drills. Two head types are available. The R960 was developed specifically for drilling operations in stainless steel and cast iron, but is also well-suited for use in titanium and nickel, the company says. The R950, available in diameters as large as 42.0 mm, is designed for machining carbon and alloy steels.
Both heads incorporate a self-centering, 140-degree, four-facet split point said to ensure low thrust forces through the drilling cycle and promote consistent high performance. The heads are designed to be changed quickly, without removing the body from the spindle. Each head features a high speed steel construction and is available with a range of drill bodies to support drilling depths of 3×D (H853), 5×D (H855) and 8×D (H858). One body can accommodate multiple head sizes with no compromise on structural integrity, the company says.
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.