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Moulds and tools Surface coating

Innovative coating technologies for industrial applications

The art of surface treatment and coating plays a crucial role in the finishing of moulds and tools, which are indispensable in various industries. Our wide range of processes, including chemical, galvanic, PVD/PACVD and hybrid processes, enables us to offer customised solutions for specific applications. Here are a few examples: For caps and other shapes, we develop targeted chemical coatings that not only improve the aesthetic appearance, but also ensure increased durability and functionality. Chemical processes are used in the coating of hot runners to achieve optimum heat conduction and resistance. Punching and fineblanking tools benefit from PVD/PACVD coatings, which offer improved wear resistance and cutting performance.

Case Story

Insight into our individual customer solutions in the area of moulds and tools.

Coating process optimises mould cores in injection moulding

Mould cores made of copper-based materials are highly valued in mould tool construction, particularly in the production of plastic parts, due to their excellent thermal conductivity. However, users of such moulds regularly face several challenges: Firstly, the continuous use of these mould cores leads to considerable wear and tear, which shortens the service life of the tools and leads to rising costs. Secondly, maintaining dimensional accuracy is crucial for the quality of the parts produced. Inaccuracies can lead to rejects or increased reworking costs. Thirdly, good release of the plastic parts from the mould is essential to increase production efficiency and ensure the surface quality of the finished parts. These challenges require an innovative solution that minimises wear, ensures dimensional accuracy and enables efficient de-adhesion.

Specialised coating solutions

Our innovative solution for the challenges mentioned lies in the application of specialised coatings such as Bordem Cr or Planotek CNBV. Both coatings offer excellent wear and corrosion resistance, which significantly increases the service life of the mould cores.

Our BORDEM Cr coating technology combines the benefits of electroless nickel dispersion coatings with the properties of chromium to enhance the surfaces of copper-based mould cores. The BORDEM® Cr coating significantly increases the wear resistance of the mould cores, improves their dimensional stability over longer periods of time and facilitates the de-adhesion of the plastic parts.

Our Planotek CNBV coating offers a unique combination of resistance to corrosion and mechanical wear, making it particularly suitable for applications where both chemical resistance and surface hardness are important.

Technical and economic advantages in injection moulding

Our coating solutions offer numerous advantages for mould cores in injection moulding:

The coating gives the mould cores a higher surface hardness, which minimises wear and extends the service life of the mould tools. It ensures contour accuracy and improved wear resistance of the mould cores, resulting in more precise plastic parts. The smooth surface of the coated mould cores facilitates the de-adhesion of the plastic parts, accelerates production cycles and improves the surface quality of the finished parts.

Extending the service life of the mould cores and reducing rejects and rework result in significant cost savings. The improved de-adhesion leads to faster production cycles and higher utilisation of the production facilities. The longer service life and stable production conditions ensure better planning and calculation of production costs.

The ability to recondition and recoat mould cores contributes to more sustainable production and reduces the need for new purchases.

Our products

An overview of our product solutions in the area of moulds and tools.

Electroless nickel coating with DLC topcoat: Amorphous diamond-like carbon layer - high hardness and low dry friction combined with excellent corrosion protection.
Coating with a unique combination of resistance to corrosion and mechanical wear
Multi-layer system consisting of three different electrochemically produced metallic layers. It was specially developed for mould and tool making to increase service life. TRIODEM is a combined corrosion/wear protection system for sensitive components.
Electroless nickel-PTFE coatings combine the hardness and corrosion protection of nickel with the friction-reducing properties of embedded PTFE particles. They are suitable for applications with lubrication requirements, offer wear protection and prevent adhesion.
Amorphous diamond-like carbon coating - exhibits high hardness and low dry friction losses.
Combines anti-friction and non-stick properties as well as wear and corrosion protection, which significantly improves the performance of workpieces
Combines anti-friction and non-stick properties as well as wear and corrosion protection, which significantly improves the performance of workpieces
Excellent values for friction reduction Combines properties that significantly improve the performance of plastic injection moulding tools.
Increases the service life of stressed components components thanks to maximum wear protection
Protection of high-gloss polishes, dimensional correction to final dimensions.
High-performance alternative to hard chrome plating. It has high oxidation resistance with good ductility.
AlCrN coating systems offer excellent wear and corrosion protection, high hardness and temperature resistance for demanding industrial applications
CERODEM WCH is a diamond-like carbon with fine metal carbide inclusions. This enables the simple reduction of friction, surface fatigue and tribo-oxidation in a proven manner.
Possible process variants: Electroless nickel high-phos, electroless nickel mid-phos and electroless nickel thermal post-treatment.
Electroless nickel coatings offer first-class protection against corrosion and wear. The electroless nickel coating makes the surface robust and durable, with a uniform coating thickness, even with more complex work moulds.
High-performance hard chrome coating with pearl structure for improved wear resistance and corrosion resistance for various industrial applications.
PlanoTek CNB is an innovative coating solution for processing low and non-reinforced thermoplastics (PP, POM, PA6) and thermosets. It is characterised by excellent demoulding properties that make the component removal process considerably easier. The use of PlanoTek CNB reduces adhesion between the plastic and the mould surface, resulting in efficient demoulding. The coating also minimises the formation of unwanted deposits and coatings on the mould surfaces. The use of release agents can be significantly reduced thanks to the excellent non-stick properties of PlanoTek CNB. In addition, the coating offers emergency running properties that provide temporary protection for the tool surfaces in the event of malfunctions. Overall, PlanoTek CNB contributes to optimised production by increasing efficiency, improving quality and increasing profitability.
High-performance hard chrome coating with pearl structure for improved wear resistance and corrosion resistance for various industrial applications.
Wear protection for soft materials, dimensional correction to final dimensions.
Corrosion protection against hand perspiration and humidity, contour protection when processing aggressive plastics, temperature control protection.
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