As KAYAKOCVIB Metal, we offer PVD coating services in many different compositions by using the advantages of our largescale furnaces with cathodic arc technology according to mold applications. Our PVD coating processes, which we have developed for sectorbased application conditions; Reproducibility before and after coating, you can maximize your working performance thanks to our continuous process steps. We can level up.
PVD-C Series, Mold & Die Coating
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PVD-C SERIES OF THE NANO PVD COATINGS
With the Hotplus coating series, which provides solutions in hot work mold applications, it provides high temperature abrasion resistance and wrapadhesion. Resistant surface properties are created. High pressure metal injection (zamak, aluminum, magnesium) especially metal extrusion (aluminum, brass, copper, silver), hot forging and hot forming applications. Priority hot work applications. FEXOY in the Hotplus series is a coating with high wear resistance (crater wear) and solid lubrication properties obtained by applying a combination of long-term diffusion process hardening and oxide-based coating. We especially recommend it for hot forging press molds and high pressure metal injection sleeves.
Details of the PVD-Coating of the molds
The coating process temperature is below 500°C, so there is no change in size in mold steels that have undergone high temperature tempering.
With the coating, we form a thin film layer of high hardness and thickness in the range of 2-8 m along the surface form, hardnesses up to 4500 HV. Thus, we increase the mold’s resistance to abrasion, wrapping and sticking.
When PVD coating is combined with special diffusion processes, which we call the duplex process, we increase the resistance to corrugated abrasion (abrasive, abrasion, cavitation) on the mold surface at much better levels, apart from increasing the winding adhesion resistance in the molds.
It is a thin film (2-8 micron thickness) layer.
It reduces the coefficient of friction compared to the precision machined steel surface.
Increases corrosion resistance
With the coating, a low coefficient of friction (compared to the steel surface) is provided on the mold surface, thus it provides an advantage and accelerates the removal of the workpiece from the mold. It contributes to the reduction of mold cycle times.
When multi-layer, multilayer is applied, each layer can be in different combinations (such as nitride and carbon-based), as a result of this, the clarification (deepening) of cracks that may occur on the mold surface can be postponed.
Coating is a highly reproducible process, and the same process performance can be achieved each time, specific to the molds.
It gives high hardness (2500-4500 HV)
It protects the surface very well.
Decomposition resistance temperatures/oxidation temperatures are high.
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NANO PVD COATINGS SERIES PRODUCT SPECIFICATIONS
| Covering | Chemical Composition | Colour | Sertlik (HV 0.05) | Friction coefficient (against steel) | Thickness (μm) | Oxidation/ Decomposition Temperature(°C) | General Characteristics | Mold Application Suggestions |
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AlTiCrN | Dark grey | 3600±400 | 0,4 | 2 – 8 | 900°C | High hardness, high toughness, good high temperature resistance | In high pressure aluminum injection cores, aluminum extrusion die-tenon and hot forming cores |
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AlCrN | Light grey | 3600±300 | 0,5 | 2 – 5 | 1000°C | High hardness, high hot hardness, very good high temperature resistance | High pressure aluminum injection insert-core, in hot forming cores |
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TiAlN | Dried rose | 2800±200 | 0,4 | 4 – 8 | 800°C | High toughness and high hot hardness, low coefficient of friction and high applicability of coating thickness | In high pressure aluminum and zamak injection cores, pin, insert-core, hot forming cores |
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ZrN | Light yellow | 3000±200 | 0,35 | 2 – 5 | 600°C | Excellent surface properties, very high adhesive wear resistance, very good corrosion resistance | In high pressure magnesium injection |
FEXOY |
Diffusion Process + FeO | Dark black | 1150± 50 | – | 12 – 15 | – | Dark black Abrasion resistance and solid lubricating surface properties Diffusion Process | Press hot forging dies, Metal injection sleeves |
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TiN | Gold yellow | 2600±200 | 0,5 | 2 – 4 | 600°C | General purpose use, wide application area, all mechanicalchemical properties are moderate | In cutting (if the workpiece is iron-based) molds |
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CrN | Silver grey | 2100±200 | 0,35 | 2 – 8 | 600°C | High toughness, corrosion resistance, low coefficient of friction | Forming molds |
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TiCN | Magenta-grey | 3800±200 | 0,25 | 2 – 4 | 400°C | High hardness, high wear resistance and low friction coefficient, improved toughness, lubricating properties | Cutting, forming molds |
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TiCrN | Dark golden yellow | 3400±200 | 0,35 | 2 – 5 | 600°C | Excellent toughness, low coefficient of friction, high hardness, high resistance to workpiece sticking and wrapping | Deep drawing, forming molds |
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AlCrN | Light grey | 3600±200 | 0,5 | 1 – 4 | 1000°C | High hardness, high hot hardness, high oxidation resistance | In cutting (precision, dry cutting) molds |
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AlTiN | Anthracite | 3400±200 | 0,75 | 2 – 6 | 900°C | High hardness, high toughness, high temperature resistance, high hot hardness | In cutting, plucking cutting, forming mold |
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ZrN | Light yellow | 3000±200 | 0,35 | 2 – 5 | 600°C | Excellent surface properties, very high adhesive wear resistance, very good corrosion resistance. | Forming (if the workpiece is non-ferrous based) molds |
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TiN | Gold yellow | 2600±200 | 0,5 | 2 –4 | 600°C | General purpose use, wide application area, all mechanicalchemical properties are moderate | Plastic injection mold, pin, pusher, scrapers |
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CrN | Silver grey | 2100±200 | 0,35 | 2 – 8 | 600°C | High toughness, corrosion resistance, low coefficient of friction | Plastic injection mold cores, cores, scrapers |
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TiCN | Magenta-grey | 3800±200 | 0,25 | 2 – 4 | 400°C | High hardness, high wear resistance and low friction coefficient,improved toughness, lubricating properties | Plastic injection moulding, cutting, forming |
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TiCrN | Dark golden yellow | 3400±200 | 0,35 | 2 – 5 | 600°C | Excellent toughness, low coefficient of friction, high hardness, high resistance to workpiece sticking and wrapping | Plastic injection mold cores, cores, scrapers |
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AlTiN | Anthracite | 3400±200 | 0,7 | 2 – 6 | 900°C | High hardness, high toughness, high temperature resistance, high hot hardness | Plastic injection mold, cores, pin, pushers, scrapers |
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ZrN | Light yellow | 3000±200 | 0,35 | 2 – 5 | 600°C | Excellent surface properties, very high adhesive wear resistance, very good corrosion resistance, | Plastic injection mold cores, cores, scrapers |
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Patent | Silver gray anthracite | 3400±200 | 0,35 | 2 – 8 | 600°C | High toughness, corrosion resistance, low internal stress, low coefficient of friction, high wear resistance for copper-beryllium alloy | CuBe2 – copper-beryllium alloy; plastic injection mold cores, cores |
PLASTIC INJECTION APPLICATIONS
We have Moldplus series PVD coatings, which do not impair the surface sensitivity of plastic injection molds, and PVD coating solutions to increase mold life. For example; In plastic injection, on steel-steel working surfaces (scrapers, cores, pins-pushers, wear/locking plates), in plastic injection molds with glass fiber (20-50%) additive or corrosive raw material, in molds with plastic raw material retention problems, cuBe2 copper- We recommend cuBe2 copper-beryllium in molds using beryllium alloy to significantly increase the abrasion resistance and to provide abrasion resistance in patterned molds.
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