Best grade for machining stainless steel ｜ Carbide grade for Swiss CNC lathes
For stainless steels and steels
Front turning / Back turning / Grooving / ID boring / Parting / Cut off / Threading
Expansion of lineup for all applications
Select optimum chipbreaker according to machining conditions
*Please refer to the catalog for details.
| Application | Series |
|---|---|
| Front turning | TMV chipbreaker AMX chipbreaker AM3 chipbreaker（with Wiper） |
| Back turning | BACK DUO series |
| Cut off | CUT DUO series |
| Threading | TTP series |
[ Cutting conditions ]
Material :
SUS304 ⌀11 vc=80m/min f=0.03mm /rev
304SS ⌀11 Speed=260 SFM feed=.0012”
after 200 pcs.
NTK’s new PVD coating technology improved the bonding force and smoothness on ST4.
It eliminates BUE issues and improves insert performance.
| ISO | Work material | Chipbreaker | Grade | vc (m/min) (SFM) | ap (mm) (inch) | f (mm/rev) (IPR) |
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Difficult-to-cut Free-cutting stainless steel |
AMX | ST4 | 40 – 180 130 – 600 | 0.05 – 0.3 .002 – .012 | 0.03 – 0.1 .001 – .004 |
| TMV | 0.5 – 2.0 .020 – .080 | 0.05 – 0.2 .002 – .008 | ||||
| YL | 0.3 – 2.5 .012 – .100 | 0.02 – 0.15 .001 – .006 |
| Medical parts | |
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| ST4 | C/T About 1.5 min / part |
| Conventional tool (PVD carbide) |
C/T About 5.0 min / part
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TFX series insert in ST4 achieved approximately 3.7 times lower cycle time than that of the competitor’s insert.
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| ST4 |
2,000 pcs / corner
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| Conventional tool (PVD carbide) |
1000 pcs / corner
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ST4 increased tool life by 2 times that of the competitor insert.
| Machine parts | |
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| ST4 |
6,000 pcs / corner
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| Conventional tool (PVD carbide) |
3,500 pcs / corner
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ST4 increased tool life by about 1.7 times compared to the competition.
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| ST4 |
4000 pcs / corner
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| Conventional tool (PVD carbide) |
2000 pcs / corner
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ST4 achieved 2 times the tool life of the competitor’s insert.
For more information about this product, visit our online e-catalog, or download the catalog/product report
