GROOVE-TURN CWN-CWX CGHN 26-M CDX Internal Grooving and Turning Blades for GHIC...-70 Bars 14.5 HF H DMIN 35° WFN-WFX 25° WB OAL 150° OHN-OHX Designation CWN(1) CWX(2) WB DMIN WFN(3) OHN(4) WFX(5) OHX(6) HF OAL H CGHN 26-3M 2.80 4.00 2.40 70.00 40.0 13.5 46.5 20.0 21.4 63.00 26.0 CGHN 26-4M 3.60 4.50 3.20 70.00 40.0 13.5 46.5 20.0 21.4 63.00 26.0 CGHN 26-5M 4.40 6.40 4.00 70.00 40.0 13.5 46.5 20.0 21.4 63.00 26.0 • Grooving depth (CDX) varies in conformance with blade’s overhang (WFN-WFX and OHN-OHX) and depends on the bore diameter (D) • CGHN 26...-M can be modified from external double-sided CGHN blades • When TIP inserts are used the seat needs to be modified to ensure clearance • When using GIVR/L inserts, tool holder’s seat needs to be modified • For user guide, see pages 475-492 (1) Minimum cutting width (2) Maximum cutting width (3) Adjustable extension (4) Minimum overhang for adjustable extension (5) Adjustable extension (6) Maximum overhang for adjustable extension For inserts, see pages: GIVR/L (316) • GIMF (317) • GIMY (318) • GIMN (319) • GIMY (full radius) (320) • GIMY-F (321) • GIF-E (W=4-6) (322) • GIF-E (W=4-6 full radius) (324) • GIP-E (323) • GIP-E (full radius) (325) • GIP (327) • GIP (full radius) (327) • GIF (328) • GIF (full radius) (329) • GIA-K (W=3-6) (329) • GITM (330) • GITM (full radius) (331) • GIPY (331) • GIPA (full radius W=3-6) (333) • GIPA (W=3-6) (332) • GIM-C (587) • GIM-J (587) • GIM-J-RA/LA (588) • GIM-UT (589) • GIM-UT-RA/LA (590) • GIM-W (588) • GIM-W-RA/LA (589) • GIMT (316) • GIPM-A46 / GIP-1250 (430) • TIP-MT (727) • TIP-WT (718) For holders, see pages: C#-GHIC (702) • GHIC-70 (398) Internal Grooving Capacity for CGHN 26 Blades 19 OH=20 18 Example: OH=19 For grooving depth CDX=15�5 mm 17 OH=18 and grooving width=5 mm Grooving Depth CDX (mm) 16 in bore øD=100, use blade Overhang OH, (mm) OH=17 CGHN 26-5M and adjust overhang to OH=18 mm� 15 OH=16 14 OH=15 CGHN 26-...M 13 OH=14 12 OH=13 CDX WFN-WFX 11 D 10 OHN-OHX(4) 70 100 150 200 250 Bore Diameter D (mm) 399