Заказ инструмента: http://steelcam.org 8 (343) 382-52-03 | sales@sverla-ekb.ru Grade Descriptions NL920 & SP0819 NL920 Introduction Coating Type: CVD A fine grain but tough grade, with a high degree of edge security on Steels and Stainless Steels. Performs well on rough and heavy machining applications, including interrupted applications. Available in the following geometries: Light-Medium: 2N Roughing: 4T Sing Sided Heavy Roughing: 5R Medium –Roughing: -73 Medium –Roughing: -T Application Range Cutting speed NL920 m/min 01 05 10 15 20 25 30 35 40 45 50 MAX DRY Vc min Vc max P   45 225 M  40 155 K   70 225 N S  15 45 H Recommended  Acceptable  SP0819 Coating Type: PVD A very wear resistant micro grain substrate with a new generation of TiAlN coating. First choice to machine difficult to machine materials, including PH Stainless Steel. Requires higher cutting speeds in finishing and medium operations, with stable conditions and clean material. Available in the following geometries: Finishing: 1B Finishing-Light Roughing: 3F Semi Finishing – Light Roughing: 4E Application Range Cutting speed SP0819 m/min 01 05 10 15 20 25 30 35 40 45 50 MAX DRY Vc min Vc max P   80 450 M  75 315 K N   275 975 S  25 90 H  65 140 Recommended  Acceptable  www.kennametal.com C27