Verfahren und Vorrichtung zur Herstellung von metallischen Werkstücken

摘要

The present invention relates to a process and a device for making metal workpieces in which metal-containing powder is melted in layers by means of a coating device, comprising a laser unit with a laser beam focussing head and a powder feed device, in a melting region of the laser beam and the layers are subsequently machined. The process is improved in that the powder is fed into the melting region coaxially to the laser beam and the individual layers are applied in tracks from 0.1 to 1 mm wide and from 0.05 to 0.5 mm thick. The device is characterized in that the powder feed device has a powder head arranged coaxially with the laser focussing head and can be adjusted relatively thereto in the direction of the laser beam.