Заказ инструмента: http://steelcam.org Turning 8 (343) 382-52-03 | sales@sverla-ekb.ru Tool Selection Introduction The following Material Guide pages enable you to select the appropriate geometry and grade along with a suggested start point for speeds and feeds. Simply select the material to be machined and type of machining operation. 1st Choice 1 5 1 Select your material. Negative Inserts – Unalloyed Steel Select your machining ap (mm) 4 2 1,2 - 5,5 operation from finishing to ap (mm) 0,75 - 3,0 roughing. ap (mm) 0,5 - 2,0 fn (mm/rev) 0,25 - 0,5 3 Recommended geometry for D.O.C. ap (mm) fn (mm/rev) 6 0,15 - 0,45 the operation. fn (mm/rev) 0,1 - 0,3 NL920 NL400 4 Maximum and minimum depth Vc (m/min) 4T Vc (m/min) 30 - 90 50 - 215 NL920 NL300 of cut for this geometry. Vc (m/min) 2N Vc (m/min) NL300 NL250 NL250 30 - 90 60 -230 Vc (m/min) Vc (m/min) Vc (m/min) 100 - 380 40 - 165 1B 60 - 245 NL250 Vc (m/min) 5 Maximum and minimum feed 105 - 410 ROUGHING SP0819 3 for this geometry. Vc (m/min) 140 - 450 MEDIUM FINISHING 6 Choose the machining condition as below: 0,0 Feed fn (mm/rev) Interrupted cut 7 2 Varying depth of cut Good condition 7 Recommended grade and cutting speeds for this condition. C2 www.kennametal.com