433 Каталог KYOCERA 2019 Режущий инструмент для металлообработки на станках Стр.G39

Каталог KYOCERA 2019 Режущий инструмент по металлу Стр. G39 0433 Lab2u

GUIDE FOR EXTERNAL GROOVING Guide for External Grooving Traversing After Grooving 1. Grooving Depths Over 0.020" (0.5mm): When Roughing (see Fig.1) Before traversing, pull the tool back about 0.004" (0.1 mm) after grooving, instead of traversing subsequent to grooving. (Failure to pull the tool back before traversing will result in an unbalanced load applied on only one side of the cutting edge.) 2. Grooving Depths Under 0.020" (0.5mm): When Finishing (see Fig.2) Traversing subsequent to grooving is possible because shallow groove depths apply a small load on the cutting edge. (Dwell-motion is not necessary) 1. When widening the groove width, use "Step Traversing" as shown in Fig.3 2. The widened groove and side walls should be finished last. (For better chip control, D.O.C. over 0.020" (0.5mm) is recommended.) Note: If the workpiece is not supported at the center, reduce the feed rate when grooving towards center Case Studies Fig. 1 JZ Traversing Subsequent to Grooving. (Grooving Depth Under 0.020" (0.5mm): When Finishing) o m A SS A “ Before traversing, pull the tool back about 0.00411 (0.1 mm) after grooving. (Grooving Depth OverO.02011 (0.5mm) : When Roughing) Fig.2 £ C/> cz I- T> O m = B H 5120H (Grooving) > Gear Vc = 370-540 sfm f = 0.002 ipr Wet GDM4020N-040GM (PR1225) KGDL2525X-3T10S GM Chipbreaker (PR1225) Competitor K (PVD Coated Carbide) CD 1,500 pcs/C 250 pcs/C KGD type grooving toolholder + GM chipbreaker (PR1225) showed 6 times longer tool life than that of Competitor K. Good chip control without burned chips. (j Competitor K a GM Chipbreaker (User Evaluation) Structural Steel (Grooving, Traversing) K Gear Vc = 560 sfm f = 0.006 ipr (Roughing) 0.004 ipr (Finishing) D.O.C = 0.008" (Finishing) Wet GDM4020N-040GM (PR1215) KGDR2525X-4T20S GM Chipbreaker (PR1215) 250 pcs/C Competitor L (Roughing: PVD Coated Carbide) (Finishing: Cermet) 200 pcs/C -. GM chipbreaker reduced chip entanglement (occurrence rate 80% 10%). The problem was persistent with Competitor L. Machining productivity is improved. M'. Chips easily tangled Competitor L (Finishing) Smooth chip control GM Chipbreaker (Finishing) (User Evaluation) M N kUnrPI7r1 Visit us online at l\DULCI\U