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gefran0513Where high strength and stiffness are required for very low weight, as in aerospace or vehicle construction, carbon fiber reinforced plastics (CFRP) are used. Targeted, automated temperature control is crucial in their production for energy-efficient process control, precise process reproducibility and high product quality. Gefran presents with the power controllers GFX4-IR and GTF plus the latest concepts for the automatic temperature control in the production of composite lightweight construction materials such as carbon fiber reinforced plastic (CFRP).

The power controller with optionally integrated temperature controller GFX4-IR is a decisive component for automated process control and thus for a competitive production of CFRP products: All components of the GFX4-IR - four controllers each, power controller with heat sink, current transformers, voltage transformers, fuses and fuse holders - are combined in one housing. This saves space and a considerable amount of wiring. An integrated semiconductor fuse protects the power relay of the GFX4-IR from short-circuiting. In addition, the continuous monitoring of the load current ensures that a partial load break is detected immediately. This significantly increases the functional reliability of the system.

With the new concept, up to 16 channels can be easily implemented on a Profibus card in one system. Communication takes place via a master module via fieldbus and the five main protocols Ethernet-IP, Profibus, Profinet, CANopen and Ethercat. In this way, decentralized control systems can be easily set up in a wide variety of applications and the entire system can be segmented into manageable units.

The GFX4-IR is used wherever heat processes with special requirements in terms of space, precision and quality are to be implemented: forming tools for prepreg profiles, autoclaves and pultrusion processes.

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