3

CVD insert on the outer edge for highly efficient drilling

Inner edge: PVD (PR1535. Outer edge: CVD (CA520D/CA415D)

High speed and highly efficient machining available with the combination

New grades developed for drilling Of CVD (Outer edge) and PVD (Inner edge) inserts. Recommended cutting speed (Maximum value) Wear resistance comparison (Internal evaluation) 300 UPUP 280 0.4 DRV (CA520D )

55

200 % 0.3 Competitor F (CVD)

180 Competitor G (CVD) 0.2 100 0.1

0

CVD (CA520D ) PVD (PR1225) 0 10 20 30 40 50

Cutting time (min) Drill dia. ø20(3D) workpiece material: S50C Cutting conditions: Vc = 200 m/min, f = 0.12 mm/rev, Drill dia. ø20(3D) , wet workpiece material: SCM440H 4 Economical inserts with 4 cutting edges

4 types of chipbreakers for various machining applications

General purpose GM chipbreakerTough edge GH chipbreakerKK
Chipbreaker for steel machining1st recommendation for machining cast iron
Stable deep-hole machining with low cutting forceGood for continuous steel machining
Reduced breakages common in through-hole machining
AEdge shape optimized forB
Negative land with
various machining applications
Strong edge
AA-A SectionBB-B Section

Chip control comparison Comparison of remaining chips

For stainless steel machining SM chipbreaker (Internal evaluation) (Internal evaluation)

Stable chip control when machining Gummy stainless steel reduces chip DRV Outer edge Clogging in the holder body (SM

chipbreaker) C Sharp cutting and Inner edge Competitor I large rake angle C C-C Section

DRV (SM chipbreaker) Competitor H Remaining chips

Cutting conditions: Vc = 100 m/min, f = 0.1 Mm/rev Cutting conditions: Vc = 150 m/min, f = 0.08 Mm/rev drill dia. Ø20(3d), drilling depth 60mm drill dia. Ø25(5d), wet workpiece material: sus304 drilling depth 98mm, wet workpiece material: SUS304

For machining soft steel XM chipbreaker Chip control comparison (Internal evaluation) Stable chip control of outer cutting edge Outer edge

D E Excellent chip control Inner edge With the changing Width of the chipbreaker

D E D-D Section E-E Section

DRV (XM chipbreaker) Competitor J Cutting conditions: Vc = 200 m/min, f = 0.12 mm/rev Chipbreaker selection reference Drill dia. ø16(3D), Drilling depth 48 mm Wet Workpiece material: SS400