CONTROL OF AN INDUCTION HEATING SYSTEM IN GENERATIVE PRODUCTION PROCESSES

A method which controls a heating power induced in a component in a generative manufacturing process wherein the heating power is induced by an induction heating system. The closed-loop control method is based on the concept of indirectly determining the previously unknown heating power which is act...

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Bibliographische Detailangaben
Hauptverfasser:	HANEBUTH, Henning, GOLDAMMER, Matthias
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method which controls a heating power induced in a component in a generative manufacturing process wherein the heating power is induced by an induction heating system. The closed-loop control method is based on the concept of indirectly determining the previously unknown heating power which is actually induced in component. This is accomplished by the power losses, which substantially consist of waste heat to the cooling liquid and to the other surroundings, being deducted from the electrical power that is inserted into the induction heating system (specifically, the electrical power of the induction generator). The power losses are calculated, insofar as is possible; alternatively, they are also estimated.