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Wood-plastic composites (WPC)

WPC

The wood industry has recently seen a strong trend toward new materials such as WPCs (wood-plastic composites). The wider range of forming options and improved technical characteristics of WPCs differentiate them from traditional wood materials. The manufacture of WPCs relies on processes that are unconventional for the wood industry. These types of processes – injection molding and extrusion, for example – are more typical in plastics manufacturing. Wood processing machine manufacturers can therefore benefit from B&R's expertise in the plastics industry.

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Additional advantages

  • Melt pressure control
  • Configuration of downstream devices
  • Solutions for dosage units
  • Real-time envelope monitoring
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As a supplier for machine manufacturers in a wide range of industries, B&R has made a name for itself as a skilled and reliable partner with an eye on the future and a knack for thinking outside the box. This is especially important when pursuing new industry trends. The wood industry has recently seen a strong trend toward new materials such as WPCs (wood-plastic composites). The wider range of forming options and improved technical characteristics of WPCs differentiate them from traditional wood materials. The competitive situation for WPCs is also positive, as there has been double-digit growth in the WPC market over the past few years.

The manufacture of WPCs relies on processes that are unconventional for the wood industry. These types of processes – injection molding and extrusion, for example – are more typical in plastics manufacturing. With B&R's leading position in the plastics industry, manufacturers of wood processing machines benefit from well-established solutions that can be applied to the production of WPCs.

B&R has the perfect solution for...

High-performance closed loop control

B&R has many years of experience developing industrial processes for plastics and offers a wide variety of libraries containing proven technology for control loops and autotuning procedures. Sophisticated closed loop control technology from B&R is based on the absolute latest concepts to allow maximum machine performance and precision. Find out more in the Plastics section.

Not too hot, not too cold

Extrusion and injection molding machines must raise and lower the temperature in multiple zones to ensure the quality of the end product. B&R offers a software package with function blocks and HMI templates for simple implementation of temperature control. Temperature control runs on the main PLC, of course, eliminating the need for external devices. The function blocks offer the option of autotuning, which can significantly shorten commissioning times.

Hydraulic, electrical or hybrid solution

A great deal of force is needed to manufacture WPC products. Fortunately, B&R offers a servo-hydraulic solution that can save energy when producing WPC products. The conventional combination of hydraulic pump and frequency inverter is replaced by a servo drive and servo-hydraulic pump. This type of system consumes energy only when absolutely necessary – the improvement in energy efficiency is remarkable. Of course, B&R PLCs, Industrial PCs and Panel PCs can also be used to implement purely hydraulic or purely electrical concepts for WPC machines.

Ejemplo
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