Turning Inserts – Heavy Duty (HDT)
Cuatro ranuras para virutas de alta resistencia (TCH, HD2, HD5, HD8), además de una ranura de desbaste 909+ y una gama específica para titanio.
La gama HDT de Galtona amplía el programa de torneado de tamaño negativo para trabajos pesados y exigentes, desde desbaste medio hasta corte interrumpido completo.
Cuatro ranuras de viruta específicas se adaptan a la profundidad de corte: TCH (2.5–10 mm), HD2 (1.5–12 mm, nueva geometría positiva afilada para aceros de alta resistencia), HD5 (2–12 mm) y HD8 (2.5–12 mm, apta para cortes uniformes, uniformes y interrumpidos).
La ranura 909+ ofrece cobertura para desbaste medio y grueso en perfiles CNMG, SNMG y TNMG, además de plaquitas redondas RCMT, en grados GTCP125, GTCP135 y GTCK120, específico para hierro fundido.
También incluye una gama dedicada de titanio para torneado ("S15") con geometría rompevirutas IPE+ en formas de insertos CNMG, DNMG, SNMG, TNMG, VNMG y WNMG.
HD2 — new sharp positive chipbreaker
HD2 Chip Groove — New Chipbreaker
Single-sided roughing geometry, sharp positive cutting edges, for steels with high strength (800 N/mm²).
Example: CNMM 120408-HD2. Depth of cut 1.50–12.00 mm, feed 0.50–0.90 mm.
Heavy turning steel neg "P15"
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| Designation | Chipbreaker | Material No. | Available |
|---|---|---|---|
| CNMM 120408-HD2 GTCP115 | …-HD2 | MM12041787 | ● |
| DNMM 150608-HD2 GTCP115 | …-HD2 | MM12055337 | ● |
Heavy turning steel neg "P25"
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| Designation | Chipbreaker | Material No. | Available |
|---|---|---|---|
| CNMM 120408-HD2 GTCP125 | …-HD2 | MM12041513 | ● |
| CNMM 120412-HD2 GTCP125 | …-HD2 | MM12077416 | ● |
| DNMM 150608-HD2 GTCP125 | …-HD2 | MM12055332 | ● |
Heavy turning steel neg "P35"
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| Designation | Chipbreaker | Material No. | Available |
|---|---|---|---|
| CNMM 120408-HD2 GTCP135 | …-HD2 | MM12041518 | ● |
| DNMM 150608-HD2 GTCP135 | …-HD2 | MM12055326 | ● |
Cutting data — general cutting parameters by workpiece material
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| Group | Type / alloy | Hardness HB | GTCP115 vc | GTCP125 vc | GTCP135 vc |
|---|---|---|---|---|---|
| P | Non-alloyed steel 0–0.45% C | 150–250 | 220–400 | 170–240 | 170–190 |
| P | Low-alloyed steel | 250–300 | 200–320 | 100–190 | 90–150 |
| P | High-alloyed steel | 200 | 180–320 | 130–210 | 120–200 |
| P | Corrosion-resistant steel | 200 | 200–320 | 130–210 | 140–180 |
| M | Ferritic stainless | 200 | 220–320 | 140–210 | 140–200 |
| M | Austenitic stainless | 180 | – | 100–210 | 110–190 |
| M | Duplex stainless | 230–260 | – | – | 80–150 |
| M | Martensitic stainless | 330 | – | 70–100 | 55–75 |
| K | Grey cast iron | 180 | 140–370 | 130–210 | – |
| K | Spheroidal cast iron | 160 | 190–430 | 120–240 | – |
| K | Malleable/tempered iron | 130 | 180–520 | 150–250 | – |