Difficult-to-cut materials ｜ Carbide grade for Swiss CNC lathes
Difficult-to-cut materials especially heat resistant alloys and titanium alloys
Front turning / Back turning / Grooving / Cut off
| ISO | Work material | Chipbreaker | Grade | vc (m/min) (SFM) | ap (mm) (inch) | f (mm/rev) (IPR) |
|---|---|---|---|---|---|---|
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Carbon steel Alloy steel |
AMX | DT4 DM4 |
40 – 150 130 – 500 | 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 | ||||
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Difficult-to-cut Free-cutting stainless steel |
AMX | 40 – 100 130 – 330 | 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 | ||||
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HRSA Co-Cr alloy |
AMX | 20 – 80 70 – 260 | 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 |
| Cut off | |
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Insert edge comparison after 800 parts
DM4 exhibits excellent wear resistance compared to competitor’s insert.
| Aircraft parts | |
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| DM4 |
50 pcs / corner
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| Competitor’s PVD coated carbide |
30 pcs / corner
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DM4 achieved 1.7 times longer tool life compared to the competitor’s PVD coated carbide.
| Medical screw | |
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| DT4 |
400 pcs / corner
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| Competitor’s PVD coated carbide |
250 pcs / corner
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DM4 achieved 1.6 times longer life compared to the competitor’s insert.
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