초록 ▼

A lamination molding apparatus 10 includes a powder layer forming apparatus 20, a recoating head 30, a servo motor 16, a laser irradiating device 40, a numerical control apparatus 52, a laser control apparatus 54 and a computer aided manufacturing (CAM) system 56. The blade 31 moves in the horizonta

A lamination molding apparatus 10 includes a powder layer forming apparatus 20, a recoating head 30, a servo motor 16, a laser irradiating device 40, a numerical control apparatus 52, a laser control apparatus 54 and a computer aided manufacturing (CAM) system 56. The blade 31 moves in the horizontal axis direction so as to form the powder layer on a predetermined molding region. The laser control apparatus 54 controls the laser irradiating device 40 and calculates an irradiation range of a laser beam for every powder layer. The numerical control apparatus 52 obtains data of the irradiation range from the laser irradiating device 40 and outputs a move command such that the blade 31 moves at a feed speed faster than a pre-set feed speed adapted for recoating, in the molding region outside of the irradiation range.

대표청구항 ▼

1. A lamination molding apparatus, comprising: a blade, forming a powder layer at a predetermined molding region by moving in a horizontal axis direction for each sliced layer sliced from an entire molding space with a predetermined thickness, wherein the entire molding space includes a desired mold

1. A lamination molding apparatus, comprising: a blade, forming a powder layer at a predetermined molding region by moving in a horizontal axis direction for each sliced layer sliced from an entire molding space with a predetermined thickness, wherein the entire molding space includes a desired molding object;a laser irradiating device irradiating a laser beam at a predetermined irradiation region in the molding region;a laser control apparatus controlling the laser irradiating device and calculating an irradiation range of the laser beam in the horizontal axis direction for the each sliced layers; anda numerical control apparatus obtaining data of the irradiation range from the laser control apparatus and outputting a move command, so as to move the blade at a feed speed faster than a preset feed speed adapted for recoating, at a molding range outside the irradiation range. 2. The lamination molding apparatus as claimed in claim 1, further comprising a recoating head for moving the blade. 3. The lamination molding apparatus as claimed in claim 2, further comprising: a servo motor, for moving the recoating head in the horizontal axis direction; anda motor controller, controlling a position of the servo motor, wherein the numerical control apparatus outputs the move command to the motor controller. 4. The lamination molding apparatus as claimed in claim 1, wherein the feed speed adapted for recoating is preset, and the feed speed faster than the feed speed adapted for recoating is a speed as fast as possible for moving the blade. 5. A lamination molding apparatus, comprising: a blade, forming a powder layer at a predetermined molding region by moving in a horizontal axis direction for each sliced layer sliced from an entire molding space with a predetermined thickness, wherein the entire molding space includes a desired molding object;a laser irradiating device irradiating a laser beam at a predetermined irradiation region in the molding region;a laser control apparatus controlling the laser irradiating device and calculating an irradiation range of the laser beam in the horizontal axis direction for the each sliced layers; anda numerical control apparatus outputting a move command, so as to move the blade at a feed speed faster than a preset feed speed adapted for recoating, in a molding range outside of a sintering range in the horizontal axis direction of a sintered layer formed by irradiating the irradiation region with the laser beam using the laser irradiating device in the sliced layer under where the powder layer is formed.