b'grades enable wear detection so an operator can visually determine which edges are used and the level of tool wear.This assures that all edges are used and inserts are rotated prior to edge failure, he said.Protective ShellAlthough uncoated insert grades are still widely applied to machine Greenleaf heat-resistant superalloys and tita-nium alloys, Garud said uncoated grades are not recommended for cutting steel. Typically, CVD-coated However, in the real world ma- CTCP125-PandCTCP135-P.grades are most effective for steel, chiningconditionsrarelyallowCTCP115-P is for continuous turn- such as Walter USAs WPP20G.for this ideal. P15 to P35 is a moreing at elevated surface speeds,Advances in coating technolo-typical range for steel roughingCTCP125-P is a universal grade thatgies have enabled coated carbide applications. covers a broad range of machin- to be nearly as smooth as uncoated For medium roughing applica- ing conditions, including slight in- polished carbide, Bokram said, so tions, Bokram recommends a dou- terruptions, and CTCP135-P is forthere are very few cases in which it ble-sided insert with Ceratizit USAschallenging conditions, such as in- is not beneficial to use coatings to -M70 chipbreaker, which is avail- terrupted cutting or turning sur- extend tool life.able in three grades: CTCP115-P,faces with scale or welds. All theHe concurred that CVD coatings, NEW SOLID END MILLSCERAMIC END MILLS CARBIDE END MILLSO ers up to 10X higher productivity over standardProvides 25-50% higher performance in most applications, carbide solutions, bringing tremendous cost savings from full slotting to heavy pro ling tonenishingOur toughest ceramic material combined with aIts sub-micron carbide o ers toughness combined with high unique, high-eciencyute geometry wear resistance to allow for longer tool lifeExtreme versatility allows for maximum removal ratesThe PVD coating provides capability for higher speeds, on a wide range of material especially in HRSA materialsGreenleaf Corporation is ISO 9001 Certi edGreenleaf Corporation | 18695 Greenleaf Drive | Saegertown, PA 16433 | 800-458-1850 | 814-763-291@2022 Greenleaf Corporation Visit greenleafcorporation.com for more information! [email protected] | www.greenleafcorporation.comTurning.indd 33 3/16/23 1:46 PM'