Turning Inserts – Negative (NST)
Nueve ranuras para virutas, desde el acabado SWX+ hasta el desbaste 909+, que abarcan acero, acero inoxidable y hierro fundido.
La gama NST de Galtona es el programa de torneado negativo más amplio, con nueve ranuras de viruta específicas para acabado y desbaste.
Para acero: SWX+ (Masterfinish, alta calidad superficial), WL+ (acabado ligero), WM+ —la gama más amplia, con 7 formas de plaquitas para GTCP115, GTCP125, GTCP125HP, GTCP135 y hierro fundido GTCK120— y WR+ para desbaste medio.
Para acero inoxidable y materiales exóticos: JF (acabado de cermet), EXK+ (acabado CNGP/DNGP/VNGP/WNGP), IPK+ (nuevo rompevirutas, bajas fuerzas de corte) y IPR+ (mecanizado medio y desbaste ligero).
Para el desbaste de hierro fundido: 909+, disponible en carburo recubierto GTCK120/GTCK110HP, incluyendo plaquitas de cabeza plana (sin rompevirutas) …-EN aptas para cortes interrumpidos.
WM+ — general-purpose turning
WM+ — General-Purpose Turning
The widest range in the family — 7 insert shapes across P, K, and multiple grades.
Example: CNMG 120408-WM+. Depth of cut 1.00–4.00 mm, feed 0.44–0.22 mm.
Turning steel neg "P15" — GTCP115
| Designation | Material No. | Available |
|---|---|---|
| CNMG 120404-WM+ | MM11854331 | ● |
| CNMG 120408-WM+ | MM11854338 | ● |
| CNMG 120412-WM+ | MM11861944 | ● |
| DNMG 110404-WM+ | MM12067234 | ● |
| DNMG 110408-WM+ | MM12032128 | ● |
| DNMG 150604-WM+ | MM11855030 | ● |
| DNMG 150608-WM+ | MM11855070 | ● |
| DNMG 150612-WM+ | MM11861919 | ● |
| SNMG 120408-WM+ | MM11861932 | ● |
| SNMG 120412-WM+ | MM11861936 | ● |
| TNMG 160404-WM+ | MM11861915 | ● |
| TNMG 160408-WM+ | MM11861899 | ● |
| TNMG 160412-WM+ | MM11861913 | ● |
| VNMG 160404-WM+ | MM11861933 | ● |
| VNMG 160408-WM+ | MM11861935 | ● |
| WNMG 060404-WM+ | MM11861939 | ● |
| WNMG 060408-WM+ | MM11861942 | ● |
| WNMG 080404-WM+ | MM11855139 | ● |
| WNMG 080408-WM+ | MM11855141 | ● |
| WNMG 080412-WM+ | MM11861917 | ● |
Turning steel neg "P25" — GTCP125
| Designation | Material No. | Available |
|---|---|---|
| CNMG 120404-WM+ | MM11562085 | ● |
| CNMG 120408-WM+ | MM11557291 | ● |
| CNMG 120412-WM+ | MM11577562 | ● |
| DNMG 110404-WM+ | MM11562091 | ● |
| DNMG 110408-WM+ | MM11562093 | ● |
| DNMG 150404-WM+ | MM11752699 | ● |
| DNMG 150408-WM+ | MM11752701 | ● |
| DNMG 150604-WM+ | MM11562094 | ● |
| DNMG 150608-WM+ | MM11562097 | ● |
| DNMG 150612-WM+ | MM11581880 | ● |
| SNMG 120408-WM+ | MM11560890 | ● |
| SNMG 120412-WM+ | MM11579855 | ● |
| TNMG 160404-WM+ | MM11562100 | ● |
| TNMG 160408-WM+ | MM11557290 | ● |
| TNMG 160412-WM+ | MM11581881 | ● |
| TNMG 220404-WM+ | MM11562102 | ● |
| TNMG 220408-WM+ | MM11562105 | ● |
| VNMG 160404-WM+ | MM11562107 | ● |
| VNMG 160408-WM+ | MM11560889 | ● |
| WNMG 060404-WM+ | MM11562108 | ● |
| WNMG 060408-WM+ | MM11562111 | ● |
| WNMG 080404-WM+ | MM11562112 | ● |
| WNMG 080408-WM+ | MM11560888 | ● |
| WNMG 080412-WM+ | MM11577559 | ● |
Turning steel neg "P25" — GTCP125HP
| Designation | Material No. | Available |
|---|---|---|
| CNMG 120404-WM+ | MM14659139 | ● |
| CNMG 120408-WM+ | MM12245949 | ● |
| CNMG 120412-WM+ | MM12245954 | ● |
| DNMG 110408-WM+ | MM14659140 | ● |
| DNMG 150404-WM+ | MM14659141 | ● |
| DNMG 150408-WM+ | MM14659143 | ● |
| DNMG 150604-WM+ | MM14659149 | ● |
| DNMG 150608-WM+ | MM12245956 | ● |
| DNMG 150612-WM+ | MM14659151 | ● |
| TNMG 160408-WM+ | MM12245955 | ● |
| SNMG 120408-WM+ | MM12245950 | ● |
| WNMG 080404-WM+ | MM14659152 | ● |
| WNMG 080408-WM+ | MM12245952 | ● |
| WNMG 080412-WM+ | MM12245953 | ● |
Turning steel neg "P35" — GTCP135
| Designation | Material No. | Available |
|---|---|---|
| CNMG 120408-WM+ | MM11854341 | ● |
| CNMG 120412-WM+ | MM11854345 | ● |
| DNMG 110408-WM+ | MM12032130 | ● |
| DNMG 150608-WM+ | MM11855074 | ● |
| DNMG 150612-WM+ | MM11855076 | ● |
| SNMG 120408-WM+ | MM11855100 | ● |
| SNMG 120412-WM+ | MM11855103 | ● |
| TNMG 160408-WM+ | MM11855128 | ● |
| WNMG 080408-WM+ | MM11855143 | ● |
| WNMG 080412-WM+ | MM11855145 | ● |
Turning cast iron neg "K20" — GTCK120
| Designation | Material No. | Available |
|---|---|---|
| CNMG 120408-WM+ | MM11780521 | ● |
| CNMG 120412-WM+ | MM11865623 | ● |
| DNMG 150608-WM+ | MM11780519 | ● |
| DNMG 150612-WM+ | MM11780518 | ● |
| SNMG 120408-WM+ | MM11911053 | ● |
| TNMG 160408-WM+ | MM11780838 | ● |
| TNMG 160412-WM+ | MM11865634 | ● |
| TNMG 220408-WM+ | MM11780836 | ● |
| WNMG 080408-WM+ | MM11780839 | ● |
| WNMG 080412-WM+ | MM11780841 | ● |
Cutting data — general cutting parameters by workpiece material
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| Group | Type / alloy | Hardness HB | GTCP115 vc | GTCP125HP vc | GTCP125 vc | GTCP135 vc |
|---|---|---|---|---|---|---|
| P | Non-alloyed steel 0–0.45% C | 150–250 | 220–400 | 200–270 | 170–240 | 170–190 |
| P | Low-alloyed steel | 250–300 | 200–320 | 115–210 | 100–190 | 90–150 |
| P | High-alloyed steel | 200 | 180–320 | 150–240 | 130–210 | 120–200 |
| P | Corrosion-resistant steel | 200 | 200–320 | 150–240 | 130–210 | 140–180 |
| M | Ferritic stainless | 200 | 220–320 | 160–240 | 140–210 | 140–200 |
| M | Austenitic stainless | 180 | – | 115–240 | 100–210 | 110–190 |
| M | Duplex stainless | 230–260 | – | – | – | 80–150 |
| M | Martensitic stainless | 330 | – | 80–115 | 70–100 | 55–75 |
| K | Grey cast iron | 180 | 140–370 | 150–240 | 130–210 | – |
| K | Spheroidal cast iron | 160 | 190–430 | 140–270 | 120–240 | – |
| K | Malleable/tempered iron | 130 | 180–520 | 170–290 | 150–250 | – |
GTCK120 cast-iron grade: 200–340 to 200–550 m/min depending on treatment; rated for consistent and inconsistent cutting depth.