MC251 Solid Carbide Mill Increases Tool Life

Originally titled 'Solid Carbide Mill Increases Tool Life'

Walter USA LLC’s Prototyp MC251 solid carbide mill is a family of solid carbide milling tools that can increase tool life by up to 50 percent in austenitic stainless steels and nickel-base alloys, the company says.

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Walter USA LLC’s Prototyp MC251 solid carbide mill is positioned with the Advance product line designation, referring to mid-level performance and price. Advance tools are one part of a group of solid tools labeled either Supreme (high-level performance and price), Advance (mid-level performance and price) or Perform (low-level performance and price). The MC251 is a family of solid carbide milling tools that can increase tool life by up to 50 percent in austenitic stainless steels and nickel-base alloys, the company says.

According to the company, the MC251 geometry has been designed to optimize the machining of stainless materials from the ISO M material group as well as for secondary applications in ISO S materials. A carbide substrate (WK40RC) is used to provide machining reliability. In addition, process reliability is boosted by the mills’ susceptibility to vibration by incorporating asymmetrical helix angles between 35 degrees and 38 degrees.

The tools’ coating, a proprietary recipe of titanium aluminum nitride designed and produced by Walter, increases tool service life and minimizes build-up on the cutting edge.