From the perspective of composites manufacturing, the curing process plays a critical role. In conventional methods like hot platen pressing, heat transfer occurs through conduction and convection, resulting in varying curing times for the thermoset resin within the composite. As a consequence, the densities of the pressed composites across the vertical direction are often non-uniform. Moreover, pressing thick composites using hot platen pressing can be extremely time-consuming due to the slow heat transfer from the surface to the core.

To address these challenges, radio frequency (RF) technology can be utilized to facilitate the curing of thermoset resin in composites. RF electrical impulses are transmitted through the material, causing polarization of components such as the thermoset resin and moisture. These polarized parts vibrate in response to the RF field, generating a significant amount of frictional heat. This heat can be harnessed to achieve rapid curing of thermoset adhesives. Notably, the RF current provides uniform heating, ensuring that the center of the composite is heated at the same rate and to the same extent as the outer surfaces. This uniform temperature rise allows for quick and efficient curing, even in materials with varying volumes and cross-sectional dimensions.

RF curing offers several advantages that make it a compelling alternative for improving composite production. Firstly, it drastically reduces curing times, enabling faster production cycles. This time-saving aspect enhances productivity and efficiency. Additionally, RF curing allows for the production of thicker boards, as the uniform and efficient heat transfer enables complete curing throughout the composite, even in larger dimensions.

Furthermore, RF curing ensures more uniform operating conditions year-round. The penetrating and uniform heating achieved with RF technology eliminates the non-uniformity issues often encountered with conventional curing methods. This consistency in heating enhances the overall quality and performance of the composites.

Energy efficiency is another notable benefit of RF curing. The uniform heating provided by RF current minimizes energy wastage, resulting in optimized energy consumption during the curing process.

Moreover, RF curing offers increased operational flexibility. The rapid and uniform temperature rise allows for shorter processing times, thereby offering more flexibility in production scheduling and adapting to changing demands.

In summary, RF curing presents a promising alternative in composites manufacturing. It addresses the limitations of conventional curing methods by significantly reducing curing times, enabling the production of thicker boards, providing uniform and penetrating heating, offering high energy efficiency, and enhancing operational flexibility.

Work frequency: 27,12 MHz 

Typical thickness rates: 600 mm - 0,3 mm

When it comes to insulating materials, such as those used for thermal insulation or electrical insulation, traditional drying methods may present certain drawbacks. In a conventional drying solution, the penetration of heat into the core of the material is slow and inefficient. As a result, the temperature distribution within the material becomes non-uniform, leading to variations in dilation speeds. This uneven dilation can have negative consequences on the quality and performance of the material.

However, by employing Radio Frequency (RF) drying, these issues can be effectively mitigated. RF drying ensures that the drying process occurs uniformly and simultaneously throughout the entire material, both on its surface and within its core. This synchronized drying rate prevents differential dilation and deformation of the material.

The use of RF drying technology ensures that the drying process occurs at an equal and controlled rate throughout the entire insulating material. As a result, there is no variation in dilation speeds, eliminating the risk of deformation or compromised quality. The RF energy is absorbed uniformly by the material, allowing for a consistent and efficient drying process.

In essence, RF drying offers a solution that ensures the drying process occurs uniformly and simultaneously throughout the insulating material. By avoiding differential dilation and maintaining a homogeneous temperature distribution, RF drying helps to preserve the quality and integrity of the insulating material.

Typical thickness rates: 1000 mm - 1 mm

Typical applied voltage rates: +10.000 V