b'About Facemilling a lighter depth of cut. Due to this, tooling typically re-quires a low lead angle15 degrees to 17 degreesand a high advance per tooth.Recommendations have to take into account macro- Although advanced carbides, substrates and coat-factors and microfactors, including the proper gradeings continue to dominate the market for facemilling and edge, as well as chip breaking and evacuation. Totooling, nontraditional materials are making inroads. accomplish this, tool manufacturers define specific in- Ceramic insert manufacturer NTK Cutting Tools USA is serts with the appropriate substrate and coating com- in Wixom, Michigan, and its Japan-based parent com-bination for particular materials. pany is a descendant of the venerable Noritake Co. The influence of newer machine configurations onLtd., a manufacturer of fine china and dinnerware. Ste-facemilling tooling also is observed by Luke Pollock,ven Howard, marketing and engineering manager of product manager at Walter USA LLC in Waukesha,the cutting tool division, believes that the advent of ce-Wisconsin. ramic tooling has created an industrywide need for ed-In response to market demand, he said, the cur- ucation on the physics of metal removal.rent generation of machines is less expensive andThe new material blends, including hardened and lighter in weight. Theyre also more agile and capa- stainless steels, Inconels and other exotic alloys, require ble of faster and more dynamic machining, requiringa new approach, he said. Carbide is no longer enough as it has reached its maturity level. Coatings can help, but there is a limit to their effectiveness due to the heat about the authorand abrasiveness generated in the machining of hard Frank Burke is co-owner of Burke &metals. Ceramics, on the other hand, are seven times Towner Ltd., a strategic marketing andharder than carbide and are 100% ground, which makes communications agency in Reedsville,it possible to generate the correct geometry.Wisconsin. Contact him at 920-443- Incorporating ceramic tooling requires a different 3008 or [email protected]. methodology than conventional carbide. For instance, TRANSFORMHOW YOU MACHINETITANIUMThe TRX-7 flute is part of L MT Onsruds latestVisit www.onsrud.com expansion in the end mill class crafted specificallyfor more informationfor machining Titanium. The X coating continues800-234-1560 to increase the tool life to make for maximum use.The micro and macro geometry is designed for LMT Onsrud LPHEM machining and finishing in Titanium.1081 S. Northpoint BlvdTrust LMT Onsrud to provide tools that meet Waukegan, IL 60085your exacting standards! Phone 800 234 156030AUGUST 2021Facemilling.indd 30 7/19/21 11:13 AM'