Functional Surface Modification PVD coating processes Tribec™
The Tribec™ coatings are functional surface modifications applying hybrid PVD technologies.
- The pursuit of high abrasion resistance, excellent lubricity and heat resistance requirements of various dies and forming tools, we established the original hybrid PVD technologies with laminated functional layers.
- This process realized higher film adhesion by the most suitable pre-treatment and cleaning.
- We developed multi-functional PVD coating processes “Tribec™” by combination of different characteristics designed for various dies and punches.
We propose a method to use materials tailored to your company.
List of Tribec™ coatings
| Type | Coatings | Features | Applications |
|---|---|---|---|
| Chromium-based coating |
Tribec™ Hikaru | ・High hardness, adhesion and oxidation resistance. ・Excellent elastic recovery properties. |
Sheet metal pressing die, Forging punch |
| Tribec™ Hikaru Smooth | ・Smooth surface achieved by sputtering processes. ・similar features as Hikaru's. |
Cold forming punch, Cold forging mandrel |
|
| Tribec™ Takeru | ・Thick film, high hardness and adhesion. ・Chemical stable and high oxidation resistance. |
Aluminum die-casting inserts, Embossing punch |
|
| Vanadium-based coating |
Tribec™ Kagari | ・Compressive strength of film improved by thick film processing. ・Scuffing prevented by unique slide characteristic. |
Squeeze die, Sheet metal pressing die for high tensile strength steel plate. |
| DLC coating |
Tribec™ Kiwami | ・High density DLC(ta-C) coating. ・Special filtering technologies are adopted. ・Film thickness ＜1μm Processing temp. ＜200℃ |
Nonferrous punching tools Precision punches and dies |
| Tribec™ Kiwami Mk-II | ・Thick coating of Kiwami. ・Adaptation to stamping of the non-ferrous materials with high surface pressure. ・Film color appear to black. |
Squeeze die for Aluminum alloy 5052, Punch for copper sheet forming |
List of Tribec™ coating processes characteristics
| Coatings | Coating color | hardness (HV) |
Approx. coating thickness (hard layer thickness) |
Oxidation start temperature | Coefficient of friction vs. Fe (room temp.) |
Coefficient of friction vs. Al (room temp.) |
|---|---|---|---|---|---|---|
| Tribec™ Hikaru |
 Gray |
3,000 -3,200 |
3.0 μm （3.0 μm） |
1,000 degrees centigrade | 0.50 | 0.60 |
| Tribec™ Hikaru smooth |
Gray |
3,000 -3,200 |
3.0 μm （3.0 μm） |
1,000 degrees centigrade | 0.50 | 0.60 |
| Tribec™ Takeru |
 Silver |
2,900 -3,000 |
8.0 μm （8.0 μm） |
1,000 degrees centigrade | 0.50 | 0.60 |
| Tribec™ Kagari |
 Dark gold |
2,500 -2,800 |
10 μm or over （10 μm or over） |
700 degrees centigrade | 0.50 | 0.60 |
| Tribec™ Kiwami |
 Transparent interference |
6,000 -8,000 |
0.3 μm （0.3 μm） |
600 degrees centigrade (Heat-resistant temperature) |
< 0.10 | < 0.10 |
| Tribec™ Kiwami Mk-II |
 Transparent interference |
6,000 -8,000 |
0.8 μm （0.8 μm） |
600 degrees centigrade (Heat-resistant temperature) |
< 0.10 | < 0.10 |
Molds and tool steel
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