ELECTRON BEAM MELTING AND LASER MILLING COMPOSITE 3D PRINTING APPARATUS

摘要

The present application relates to the technical field of 3D printing apparatus, and discloses an electron beam melting and laser milling composite 3D printing apparatus which comprises a base, in which a powder spreading structure configured for spreading metal powders onto the machining platform is arranged on the base, an electron beam emitting structure and a laser milling head are arranged above the machining platform, the electron beam emitting structure is configured for emitting an electron beam to melt the metal powder layer to form a single-layer or multi-layer approximate body, and the laser milling head is configured for emitting a laser beam to mill the single-layer or multi-layer approximate body.

主权项

1. An electron beam melting and laser milling composite 3D printing apparatus, comprising a base; wherein a machining platform movable in a vertical direction is arranged on the base; a powder spreading structure configured for spreading metal powders onto the machining platform to form a metal powder layer is further arranged on the base; an electron beam emitting structure and a laser milling head movable in a three-dimension space are arranged above the machining platform; the electron beam emitting structure is configured for emitting an electron beam to melt the metal powder layer formed on the machining platform to form a single-layer or multi-layer approximate body; and the laser milling head is configured for emitting a laser beam to mill the single-layer or multi-layer approximate body formed on the machining platform.