Ingersoll’s SP6H/SP6N series of S-Max high-feed face mills is said to combine robust edge strength and high-feed capability, providing a hybrid approach to machining applications. The high-feed capability is made possible by an 80-degree lead angle for a 5x chip thinning factor. Two insert choices consist of a multi-purpose geometry and a high-shear geometry for titanium and high-temperature alloys. The face mills have ramping capability and a depth of cut as great as 0.072". Each insert provides four cutting edges, which is an economical advantage over comparable two-edge styles. Medium- and high-density cutters are available. Diameters range from 2.0" through 8.0". Some styles are available with through-tool coolant or air delivery.
Editor PickCan 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.