Three dimensional printer

摘要

An improved lamination molding apparatus which can remove the fume swiftly and efficiently away from the optical pathway of the laser beam, is provided.

主权项

1. A lamination molding apparatus, comprising:
a chamber covering a desired molding region and being filled with an inert gas of predetermined concentration; a recoater head capable of moving in a first horizontal uniaxial direction so as to supply a material powder in the molding region of the chamber and planarize the material powder supplied; and a fume suction opening provided on both sides of the recoater head along a second horizontal uniaxial direction crossing orthogonally with the first horizontal uniaxial direction, wherein the recoater head includes a squeegee blade provided on both sides thereof configured to flat the material powder and to form a material powder layer, and the fume suction opening suctions fume generated in the molding region from the first horizontal uniaxial direction.