High-Speed, High-Feed Insert

The HF insert from Millstar (Warren, MI)—developed for high-speed and high-feed machining—is designed to run at high cutting speeds and feed rates with shallow depth of cut.

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The HF insert from Millstar (Warren, MI)—developed for high-speed and high-feed machining—is designed to run at high cutting speeds and feed rates with shallow depth of cut. The curved geometry allows the chip to flow up and out of the cut quickly and smoothly allowing for the use of heavy chip loads. And, the insert’s geometry generates cutting forces upward toward the spindle, which helps eliminate vibration and deflection, allowing for very high chip loads. The insert is designed to fit into the company’s standard flat holders, style 4 (CYF, TAF and CBCYF) making these holders more versatile than ever. The insert can be used in the following applications: roughing, semi-finish and finish of all softer materials from Aluminum to Titanium alloys, Nickel-based alloys and Stainless steel alloys (XRN coated) to pre-heat treated Tool steels (TLN coated). It can be used for roughing, semi-finishing and finishing of heat-treated materials up to 60 HRc when combined with Millstar’s TLN Exalon coating.