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Walter extends milling cutters with Xtra·tec® XT M5250
Walter has extended its range of Xtra·tec® XT milling cutters to now cover diameters of 50,…
With its indexable inserts featuring the new CBN WBH20C grade, Walter is for the first time launching a cutting tool material developed in-house. The tools are available with full-radius and V-shaped inserts with the positive engagement Walter Lock, either with or without wiper geometry for ISO inserts.
The CBN indexable inserts with the newly developed HiPIMS coating are the only one of their kind on the market. Patents are pending for the coating that consists of TiAlN PVD with a zirconium nitride top coat, the layer bonding to the CBN and the pre-machining process.
When used with the Walter Lock positive engagement, which was also developed in-house at Walter, the indexable inserts offer exceptional stability in the insert seat. This reduces micro-fractures on the cutting edge and ensures longer tool life and improved process reliability, making the inserts perfect for profile turning and dynamic turning.
The CBN turning inserts are suitable for operations involving interrupted cuts as well as finishing operations on hardened steels. They are suitable, and recommended for use with coolant and can replace grinding in many cases. Alongside the increased process reliability, the wear resistance of the new grade is particularly appealing to users. This is the result of the combination of ultra-pure CBN and a new type of PVD coating with excellent layer cohesion. A light top coat enables users to detect wear with ease. Potential areas of use are ISO H materials up to 65HRC, such as heat treatable steels or bearing steel.
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