Ball-Nose Cutting Mill

ATI Stellram (Lavergne, TN) has redesigned its 5505VX ball nose milling tool for use on a range of difficult-to-machine materials.

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ATI Stellram (Lavergne, TN) has redesigned its 5505VX ball nose milling tool for use on a range of difficult-to-machine materials. Aimed at aerospace, power generation and mould and die-component makers, the Stellram 5505VX milling tool is suitable for medium-to-heavy roughing operations on nickel-, cobalt- and titanium-based alloys as well as stainless steels, tool steels and cast irons.

The new-look tool accommodates an extensive selection of high-performance, double-edged helical inserts in a choice of resilient grades, including SP6519, a robust substrate finished with the latest generation hard-wearing TiAlN PVD coating.

ATI Stellram has boosted the tool's ability to withstand the most challenging milling applications by incorporating an axial retention screw, which further supports the insert in the pocket and prevents any movement under heavy axial loads.

Gilles Festeau, ATI Stellram's technical development manager, notes, 'This screw is positioned behind the insert to add support at the contact point so that axial forces are absorbed."