INOMETA GmbH, part of the AVANCO Group

INOMETA PROTEKHard Metal Coating

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PROTEK Hard Metal Coatings by INOMETA are engineered for high-performance and longevity, primarily using tungsten or chromium carbide. These coatings are designed to be applied to a variety of roll materials, enhancing their service life and efficiency. Their application is vital in industries dealing with chipping, forming, and conveying abrasive materials, where wear resistance is critical. INOMETA employs advanced manufacturing processes to ensure durable, dimensionally-stable coatings, enhancing the operational reliability in challenging environments. This coating is versatile across industries, from textural enhancement to protection against chemical and mechanical stresses, ensuring operational efficiency and lesser downtime. The coatings are applied through precise thermal spraying techniques, allowing a consistent and resilient finish, adaptable to a multitude of base and coating material combinations.

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PROTEK Hard metal coating made of tungsten carbide or chromium carbide

PROTEK hard metal coatings are high-performance, dimensionally stable solutions based on tungsten carbide (WC) or chromium carbide (Cr3C2). These extremely wear-resistant coatings can be applied to various roll materials, significantly improving their service life and performance. Manufactured using advanced processes and high-quality materials, they ensure optimal performance and reliability in demanding applications, making them ideal for applications involving chipping, forming, and conveying abrasive media.

Developed for your specific needs, our PROTEK® hard metal coatings deliver exceptional protection and functionality. Through our commitment to quality and innovation, we partner with you to create customized solutions that meet your unique requirements and elevate your business performance.

Our product portfolio encompasses hard metal coatings for rollers used in various applications, including:

  • Calender rollers in battery manufacturing: Enhancing wear resistance and extending service life.
  • Paper production: Improving wear resistance and prolonging lifespan.
  • Textile production: Enhancing sliding properties and corrosion resistance.
  • Steelworks: Boosting wear resistance and heat tolerance.
  • Film production: Ensuring process and product quality.

Our PROTEK® hard metal coating is also used in a wide range of applications, including:

  • Pumps and other machine components: Enhanced corrosion resistance and extended lifespan
  • Engine components: Reduced wear and friction
  • Cutting and forming tools: Improved tool performance and durability
  • Wear parts in machinery and equipment: Enhanced wear resistance and protection
  • Calender rolls
  • Carrier rollers
  • Film guide rollers
  • Cutting rollers

PROTEK® hard metal coatings are characterized by a number of special features and benefits that make them ideal for a wide range of applications in various industries, helping to increase the efficiency and profitability of your operation:

  • Wear-resistant against abrasive and erosive stress as well as impact and shock loads
  • Resistant to corrosion, even in aggressive environments
  • Contributes to effective heat dissipation
  • Remains stable even at high temperatures
  • Exceptional surface hardness of up to 1500 HV 0.3
  • Sustainable alternative to traditional hard chrome
  • Protects surfaces from cuts and scratches
  • Electrically conductive and therefore suitable for use in hazardous areas
  • Roughness depth Rz, polished <0.2 µm possible
  • Reduces maintenance effort and costs
  • Extended service life of rollers
  • Higher production speed
  • Minimization of machine downtimes
  • Facilitation of surface cleaning
  • Improved product quality
  • Suitable for CFRP, GRP, aluminium and steel

We offer specialized coating processes for our PROTEK® hard metal coatings, which are based on tungsten carbide or chromium carbide – they are produced using high-precision processes to ensure a uniform and durable coating:

  • Atmospheric plasma spraying (APS) with gas e. g. argon, helium, nitrogen, hydrogen or a mixture of these
  • High velocity oxygen fuel spraying (HVOF)
  • Arc spraying with atomizing gases like nitrogen or argon
  • Thermal spraying with wire or with powder

The advantages of thermal spraying include:

  • High adhesive strength of the coating
  • Minimal substrate distortion
  • Ability to coat complex geometries
  • Wide range of coating materials
  • Enhanced surface properties
  • High coating thicknesses
  • Corrosion and wear resistance
  • High- temperature resistance
  • Thermal conductivity
  • Electrical insulation properties

Our coating processes are suitable for different components and as optimum protection against static, dynamic, mechanical and chemical stresses. In addition, a large number of combinations of base and coating materials are possible with these processes.