EXK+ — Stainless & Exotic Finishing
EXK+ — Stainless & Exotic Finishing
CNGP/DNGP/VNGP/WNGP inserts, grade GTP2120, "M25".
Example: CNGP 120408-EXK+. Depth of cut 0.5–2.5 mm, feed 0.25–0.10 mm. Rated for consistent cutting depth only.
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| Designation | Chipbreaker | Material No. | Available |
|---|---|---|---|
| CNGP 120402-EXK+ GTP2120 | …-EXK+ | MM11223927 | ● |
| CNGP 120404-EXK+ GTP2120 | …-EXK+ | MM11219251 | ● |
| CNGP 120408-EXK+ GTP2120 | …-EXK+ | MM11219254 | ● |
| CNGP 120412-EXK+ GTP2120 | …-EXK+ | MM12068756 | ● |
| DNGP 150404-EXK+ GTP2120 | …-EXK+ | MM11219260 | ● |
| DNGP 150602-EXK+ GTP2120 | …-EXK+ | MM11241911 | ● |
| DNGP 150604-EXK+ GTP2120 | …-EXK+ | MM11241912 | ● |
| DNGP 150608-EXK+ GTP2120 | …-EXK+ | MM11226180 | ● |
| VNGP 160402-EXK+ GTP2120 | …-EXK+ | MM11215526 | ● |
| VNGP 160404-EXK+ GTP2120 | …-EXK+ | MM11226182 | ● |
| WNGP 080404-EXK+ GTP2120 | …-EXK+ | MM11225022 | ● |
| WNGP 080408-EXK+ GTP2120 | …-EXK+ | MM11220363 | ● |
Cutting data — general cutting parameters by workpiece material
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| Group | Type / alloy | Hardness HB | GTP2120 vc [m/min] |
|---|---|---|---|
| M | Ferritic stainless | 200 | 150–200 |
| M | Austenitic stainless | 180 | 120–200 |
| M | Duplex stainless | 230–260 | 90–160 |
| M | Martensitic stainless | 330 | 60–80 |
| K | Grey cast iron | 180 | 120–160 |
| K | Spheroidal cast iron | 160 | 120–160 |
| K | Malleable/tempered iron | 130 | 140–220 |
| N | Non-ferrous metals | 100 | 100–400 |
| S | Fe base (exotic) | 200 | 20–50 |
| S | Nickel or cobalt base | 280 | 20–50 |
| S | Titanium (Rm 440*) | – | 80–140 |