The Prototyp Protostar Ti45 and Ti40 shank-style solid carbide milling cutters from Walter GB provide a universal solution for roughing and finishing cycles.
The Protostar Ti45 has a helix angle of 45 degrees and a cutting-edge length-to-diameter ratio of 5:1.
This configuration makes it ideal for high-speed finishing applications on demanding cycles such as those involving high webs and extended walls within a component.
The cutter is available in 16, 20 and 25mm diameters and with a choice of 3mm or 4mm radii.
Each cutter has a specially developed micro geometry on the periphery of the cutting edge, which enables high orders of surface finish and blend to be created.
Low vibration under cut is a major advantage obtained from the unequal edge-spacing of the Protostar Ti40 end mill when used for rough and finish milling.
As with the Ti45, the specially developed micro geometry on the periphery of the cutting edge creates an enhanced surface finish.
Through pre-treatment of the tool, built-up edge is prevented, which extends the reliability factor of any process and, through a post-coating treatment, which forms part of the ACN coating process, cutting-edge life is also increased.
Available in diameters between 12 and 25mm, the Prototyp Protostar Ti40 can also be specified with radii of 0.2, 2, 2.5, 3 and 4mm set at the transition point between the primary and secondary cutting edges.
Both tool types are also available in imperial sizes.
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